Multiquip Chainsaw PS403016 User Manual

OPERATION MANUAL  
MODELS  
PS403016  
PS403020  
PS403026  
PS403030  
PAVEMENT SAW  
(DEUTZ F2L2011 DIESEL ENGINE)  
Revision #0 (02/29/08)  
To find the latest revision of this  
publication, visit our website at:  
THIS MANUAL MUST ACCOMPANYTHE EQUIPMENT AT ALLTIMES.  
P/N 37745  
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Engine exhaust and some of  
its constituents,and some dust created  
by power sanding, sawing, grinding,  
drillingandotherconstructionactivities  
contains chemicals known to the State  
of California to cause cancer, birth  
defects and other reproductive harm.  
Someexamplesofthesechemicalsare:  
Leadfromlead-basedpaints.  
Crystallinesilicafrombricks.  
Cementandothermasonryproducts.  
Arsenicandchromiumfromchemically  
treatedlumber.  
Your risk from these exposures varies,  
dependingonhowoftenyoudothistype  
of work. To reduce your exposure to  
these chemicals: ALWAYS work in a  
well ventilated area, and work with  
approved safety equipment, such as  
dust masks that are specially designed  
to filter out microscopic particles.  
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WARNING WARNING  
SILICOSIS WARNING  
RESPIRATORY HAZARDS  
Grinding/cutting/drilling of masonry, concrete, metal and  
other materials with silica in their composition may give  
off dust or mists containing crystalline silica. Silica is a  
basic component of sand, quartz, brick clay, granite and  
numerous other minerals and rocks. Repeated and/or  
substantial inhalation of airborne crystalline silica can  
cause serious or fatal respiratory diseases, including  
silicosis. In addition, California and some other  
authorities have listed respirable crystalline silica as a  
substance known to cause cancer. When cutting such  
materials, always follow the respiratory precautions  
mentioned above.  
Grinding/cutting/drilling of masonry, concrete, metal and  
other materials can generate dust, mists and fumes  
containing chemicals known to cause serious or fatal  
injury or illness, such as respiratory disease, cancer,  
birth defects or other reproductive harm. If you are  
unfamiliar with the risks associated with the particular  
process and/or material being cut or the composition of  
the tool being used, review the material safety data  
sheet and/or consult your employer, the material  
manufacturer/supplier, governmental agencies such as  
OSHA and NIOSH and other sources on hazardous  
materials. California and some other authorities, for  
instance, have published lists of substances known to  
cause cancer, reproductive toxicity, or other harmful  
effects.  
Control dust, mist and fumes at the source where  
possible. In this regard use good work practices and  
follow the recommendations of the manufacturers or  
suppliers, OSHA/NIOSH, and occupational and trade  
associations. Water should be used for dust  
suppression when wet cutting is feasible. When the  
hazards from inhalation of dust, mists and fumes cannot  
be eliminated, the operator and any bystanders should  
always wear a respirator approved by NIOSH/MSHA for  
the materials being used.  
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MQ PS4030 SAW TABLE OF CONTENTS  
Table of Contents .................................................... 4  
Dimensions ............................................................. 5  
Specifications .......................................................... 6  
Engine Specifications .............................................. 7  
Training Checklist .................................................... 8  
Daily Pre-Operation Checklist ................................. 9  
Safety Message Alert Symbols ........................ 10-11  
Rules For Safe Operation ................................ 12-16  
Intended Use/Familiarization ................................ 17  
Operation And Safety Decals................................ 18  
Serial Tag Information ........................................... 19  
MULTIQUIP — PS4030 SAW  
Controls and Indicators ......................................... 20  
Components.......................................................... 21  
Basic Engine Information ...................................... 22  
Choosing Proper Blade Size ............................ 23-24  
Specific Tools/Saw Blades..................................... 25  
Installing the Blade........................................... 26-27  
Blade Guards ................................................... 28-29  
Water Delivery System .......................................... 30  
Battery................................................................... 31  
Fueling the Saw .................................................... 32  
Pointer Adjustment ................................................ 33  
Raise/Lower Controls............................................ 34  
Blade Shaft Engage/Dis-engage........................... 35  
Operation ......................................................... 36-37  
Loading/Transporting ............................................ 38  
Maintenance .................................................... 39-55  
Troubleshooting ............................................... 56-58  
Wiring Diagram ..................................................... 60  
Terms and Condition of Sale................................. 61  
Specifications are subject to  
change without notice.  
NOTE  
PAGE 4 — MQ PS4030 SAW • OPERATION MANUAL — REV. #0 (02/29/08)  
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MQ PS4030 SAW DIMENSIONS  
E
C
D
A
B
Figure 1. Chassis & Dimensions - Sideview  
TABLE 1. CHASSIS & DIMENSIONS  
DESCRIPTION  
REFERENCE  
LETTER  
DIMENSIONS  
in. (mm)  
A
B
C
D
E
F
G
H
I
Max Height (Raised/Front Pointer up)  
Max Handle Bar Height  
71 in. (1803 mm)  
47 in. (119 mm)  
88 in. (2235 mm)  
63 in. (1600 mm)  
116 in. (2946 mm)  
31 in. (787 mm)  
25 in. (64 mm)  
Max Length (Handle Bars Installed & Front Pointer fully raised)  
Length (Handle Bars not Installed & Front Pointer fully raised)  
Max Length (Handle Bars Installed & Front Pointer lowered)  
Max Width (Blade Guards Removed)  
Frame Width  
Frame Length  
43.5 in. (110 mm)  
23.5 in. (60 mm)  
23.5 in. (60 mm)  
28.5 in. (72 mm)  
Front Wheel Width  
J
Rear Wheel Width  
K
Blade Shaft Inner Flange to Inner Flange Width  
Handlebars  
Console Mounting  
Chassis  
Tri-Position System  
Vibration Control System  
Cold-Formed Welded Box Construction  
Optional  
Night Light  
Crated Dimension (L x W x H): 60 x 43 x 64 in. (1525 x 1090 x 1625 mm)  
MQ PS4030 SAW • OPERATION MANUAL — REV. #0 (02/29/08) — PAGE 5  
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MQ PS4030 SAW SPECIFICATIONS  
H
L
G
K
F
I
J
Figure 2. Chassis & Dimensions - Bottomview  
TABLE 2. BLADE AND SHAFT SPECIFICATIONS  
Oil bath design, fully enclosed cast iron housing  
Oil lubricated, no lubrication requirements  
Blade Shaft Assembly  
Blade Shaft Bearings  
Blade Shaft Diameter  
Arbor Diameter  
2-3/8 in.  
(60mm)  
1 in. 25.4 mm)  
(
Quick disconnect system, inner flanges mounted to shaft  
4-1/2 in. and 5 in. (114mm and 127 mm)  
(1) 6G 3VX-500 multi-groove belt  
17.5 in. (445 mm)  
Blade Flanges  
Blade Flange Sizes  
Drive Belt  
Max. Blade Raise Height  
Blade Mounting  
Left or Right  
Max. Blade Diameter  
Max. Depth of Cut  
Blade Guard Capacity  
Blade Guard  
30 in. (762 mm)  
12.5 in. (318 mm)  
16-30 in. (406 mm-762 mm)  
Slip-on, tapered mount  
Blade Raise-Lower  
Water Control  
Electro-hydraulic pump  
Water valves on both sides of saw  
Dual water lines directly deliver water to blade  
Water Distribution  
PAGE 6 — MQ PS4030 SAW • OPERATION MANUAL — REV. #0 (02/29/08)  
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MQ PS4030 SAW ENGINE SPECIFICATIONS  
TABLE 3. ENGINE / MOTOR SPECIFICATIONS  
Engine Manufacture  
Deutz  
F2L 2011  
Model  
3000  
Max RPM  
31.3 hp / 23.0 kW  
Horsepower  
/
Peak Torque  
Fuel  
Max kW  
66.3 lb./ft. (90 Nm)  
Diesel  
Fuel Capacity  
Air Filter  
6.0 gallons / 22.7L  
Dual element radial seal with integral turbo pre-cleaner  
Oil Capacity  
Engine Coolant  
7 Qts. (6.6L)  
Oil to Air  
TABLE 4. TRANSMISSION SYSTEM SPECIFICATIONS  
Hydro-gear hydrostatic transmission pump  
Hydro-gear hydrostatic wheel motors  
0-275 FPM / 0-84 MPM, infinitely variable  
Automatic actuating parking brake  
12 in x 3 in. (305 mm x 76 mm)  
Transmission Pump  
Wheel Motors  
Travel Speed  
Brakes  
Wheels Rear  
Wheels Front  
8 in x 3 in. (203 mm x 76 mm)  
TABLE 5. WEIGHTS  
1398 lbs. (634.1Kg)  
1498 lbs. (679.5Kg)  
Uncrated Weight  
Crated Weight  
MQ PS4030 SAW • OPERATION MANUAL — REV. #0 (02/29/08) — PAGE 7  
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TRAINING CHECKLIST  
TRAINING CHECKLIST  
This checklist lists the minimum requirements for machine  
maintenance and operation. Please feel free to detach it and  
make copies. Use this checklist when training a new operator or  
use as a review for more experienced operators.  
TRAINING CHECKLIST  
DESCRIPTION  
NO.  
1
OK?  
DATE  
Read Operator’s Manual completely.  
2
Machine layout, location of components, checking of engine and hydraulic oil levels.  
Fuel system, refueling procedure.  
Operation of spray and lights.  
3
4
5
Operation of controls (machine not running).  
Safety controls, safety stop switch operation.  
Emergency stop procedures.  
6
7
8
Startup of machine, pre-heat, engine choke.  
Forward and Reverse Travel.  
9
10  
11  
12  
13  
14  
15  
16  
Starting a cut.  
Pavement Cutting techniques.  
Stopping a cut.  
Re-start after stopping blade within work surface - explanation.  
Shutdown of machine.  
Lifting of machine (lift loops).  
Machine transport and storage.  
Operator _________________________________________ Trainee __________________________________________  
COMMENTS:  
PAGE 8 — MQ PS4030 SAW • OPERATION MANUAL — REV. #0 (02/29/08)  
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DAILY PRE-OPERATION CHECKLIST  
DAILY PRE-OPERATION CHECKLIST  
DAILY PRE-OPERATION CHECKLIST  
1
2
3
4
5
6
Hardware and damage check.  
Engine oil level.  
Hydraulic oil level.  
Condition of blade.  
Safe  
ty Stop Switch operation.  
Braking control operation.  
COMMENTS:  
MQ PS4030 SAW • OPERATION MANUAL — REV. #0 (02/29/08) — PAGE 9  
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SAFETY MESSAGE ALERT SYMBOLS  
HAZARD SYMBOLS  
FORYOUR SAFETY ANDTHE SAFETY OF OTHERS!  
Safety precautions should be followed at all times when  
operating this equipment. Failure to read, understand and  
comply with the Safety Messages and Operating Instructions  
could result in injury to yourself and others.  
Lethal Exhaust Gases  
Engine exhaust gases contain harmful toxins  
and will displace oxygen when running in an  
enclosed or confined area. NEVER operate  
this equipment in a confined area or enclosed  
structure that does not provide ample free flow  
air.  
This Operation Manual has been  
developed to provide instructions for the  
safe and efficient operation of the MQ  
PS4030 Saw . For engine maintenance  
information, please refer to the engine  
manufacturer's instructions for data relative  
to its safe operation.  
Explosive Fuel  
Before using this Saw, ensure that the operating individual  
has read, understands, and complies with all instructions  
in this manual.  
Diesel fuel is flammable, and its vapors can  
cause an explosion if ignited. DO NOT start  
the engine near spilled fuel or combustible  
fluids. DO NOT fill the fuel tank while the  
engine is running or hot. DO NOT overfill  
tank, since spilled fuel could ignite if it comes  
into contact with hot engine parts or sparks  
from the ignition system. Store fuel in  
approved containers, in well-ventilated areas  
and away from sparks and flames. NEVER  
use fuel as a cleaning agent.  
SAFETY MESSAGE ALERT SYMBOLS  
The three (3) Safety Messages shown below will inform you  
about potential hazards that could injure you or others. The  
Safety Messages specifically address the level of exposure to  
the operator, and are preceded by one of three words: DANGER,  
WARNING, or CAUTION.  
Burn Hazards  
DANGER  
You WILL be KILLED or SERIOUSLY INJURED  
if you DO NOT follow these directions.  
Engine components can generate extreme heat.  
To prevent burns, DO NOT touch these areas  
while the engine is running or immediately after  
operations. NEVER operate the engine with  
heat shields or heat guards removed.  
WARNING  
You CAN be KILLED or SERIOUSLY INJURED if  
you DO NOT follow these directions.  
Rotating Parts  
NEVER operate equipment with covers, or  
guards removed. Keep fingers, hands, hair  
and clothing away from all moving parts to  
prevent injury.  
CAUTION  
You CAN be INJURED if you DO NOT follow  
these directions.  
Skin Injection Hazard  
Potential hazards associated with Saw operation will be  
referenced with Hazard Symbols which appear throughout this  
manual, and will be referenced in conjunction with Safety  
Message Alert Symbols.  
NEVER use your hand to find hydraulic leaks.  
Use a piece of wood or cardboard. Hydraulic  
fluid injected into the skin must be treated by a  
knowledgable physician immediately or severe  
injury or death can occur.  
PAGE 10 — MQ PS4030 SAW • OPERATION MANUAL — REV. #0 (02/29/08)  
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SAFETY MESSAGE ALERT SYMBOLS  
Accidental Starting  
Respiratory Hazard  
Accidental starts can cause severe injury or death. ALWAYS  
place the ON/OFF switch in the OFF position. Disconnect  
negative battery cable from battery before servicing.  
ALWAYS wear approved respiratory  
protection.  
Sight and Hearing hazard  
Over Speed Conditions  
ALWAYS wear approved eye and hearing  
protection.  
NEVER tamper with the factory settings of the  
engine governor or settings. Personal injury  
and damage to the engine or equipment can  
result if operating in speed ranges above  
maximum allowable.  
Equipment Damage Messages  
Other important messages are provided throughout this manual  
to help prevent damage to your saw, other property, or the  
surrounding environment.  
Rotating Blade  
Rotating blade can cut and crush. Keep hands and feet clear.  
Guards and Covers In Place  
NEVER operate the saw without blade guards  
and covers in place. Adhere to safety  
guidelines and applicable local regulations.  
Crush Hazard  
ALWAYS  
ensure  
saw  
is  
SECURELY placed on appropriate  
blocks or jackstands when  
performing maintenance requiring  
the saw to be elevated.  
MQ PS4030 SAW • OPERATION MANUAL — REV. #0 (02/29/08) — PAGE 11  
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MQ PS4030 SAW — RULES FOR SAFE OPERATION  
NEVER operate this equipment when not feeling well due to  
fatigue, illness or taking medicine.  
RULES FOR SAFE OPERATION  
NEVERoperatethesawunder the influence of drugs or alcohol.  
WARNING  
AVOID wearing jewelry or loose fitting clothing that may snag  
on the controls or moving parts, this can cause a serious  
injury.  
Failure to follow instructions in this manual may lead to serious  
injury or even death! This equipment is to be operated by  
trained and qualified personnel only! This equipment is for  
industrial use only.  
Replace operation and safety decals when they become  
difficult to read.  
The following safety guidelines should always be used when  
operating the MQ PS4030 SAW .  
The engine of this saw requires an adequate free flow of  
cooling air. NEVER operate the saw in any enclosed or narrow  
area where free flow of the air is  
restricted. If the air flow is restricted it  
will cause serious damage to the  
engine and may cause injury to people.  
Remember the engine can give off  
harmful toxins and will displace  
oxygen.  
SAFETY  
DO NOT operate or service this  
equipment before you read, understand,  
and comply with all safety messages in  
this manual. The manual must be kept  
available and accessible to the operator.  
This equipment should not be operated by persons under the  
minimum statutory age limit.  
Make certain the operator knows how to and is capable of  
turning the engine OFF in case of an emergency.  
NEVER use this machine for any purpose other than those  
described in this manual.  
Turn engine OFF prior to fueling the saw.  
NEVER operate the saw without proper protective clothing,  
shatterproof glasses, steel-toed boots and other protective  
devices required for the job.  
ALWAYS refuel in a well-ventilated area, away from sparks  
and open flames.  
Topping-off to filler port is dangerous, as it tends to spill fuel.  
NEVER use fuel as a cleaning agent.  
ALWAYS use extreme caution when working with flammable  
liquids. Allow the engine to cool before adding fuel or  
performing service and maintenance functions.  
NEVER operate the saw in an  
explosive atmosphere where fumes  
are present, or near combustible  
materials. An explosion or fire could  
result in severe bodily harm or even  
death.  
NEVER use accessories or attachments which are not  
recommended by the manufacturer for this equipment.  
Damage to the equipment and/or injury to user may result.  
Manufacturer does not assume responsibility for any accident  
due to equipment modifications. Unauthorized equipment  
modification will void all warranties. Any modification which  
could lead to a change in the original characteristics of the  
machine should be made only by the manufacturer who shall  
confirm that the machine is in conformity with appropriate  
safety regulations.  
NEVER smoke around or near the machine.  
Fire or explosion could result from fuel  
vapors, or if fuel is spilled on a hot! engine.  
PAGE 12 — MQ PS4030 SAW • OPERATION MANUAL — REV. #0 (02/29/08)  
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MQ PS4030 SAW — RULES FOR SAFE OPERATION  
ALWAYS keep the work area well organized.  
NEVERtouchthehotexhaustmanifold, muffler  
or cylinder. Allow these parts to cool before  
servicing the saw. Contact with hot!  
components can cause serious burns.  
Keep the saw clean.It will perform better and last longer.  
ALWAYS Clear the cutting area of any debris, tools, etc.that  
would constitute a hazard while the saw is in operation.  
WARNING  
DANGER  
ALWAYS check to make sure that the  
cutting area is clear before starting the  
engine.  
Pay close attention to ventilation when  
operating the saw in confined spaces such  
as tunnels, buildings or similar areas.The  
engine exhaust contains harmful elements.  
Ensure proper air flow to move engine  
exhaust away from the operator.  
Keep all inexperienced and unauthorized people clear of  
the cutting area when operating the saw.  
Verify the engine start switch is set to the OFF position before  
installing a blade.  
No one other than the operator is to be in the working area  
when the saw is in operation.  
Use proper blades and follow the blade manufacturer's  
recommendations. Match the blade RPM (Blade Shaft RPM)  
to the recommended blade surface feet per minute. (SFPM).  
NEVER allow passengers or riders on the saw during  
operation or transportation.  
Ensure the 5/8" blade-mounting bolt is tightened to 125-175  
foot lbs. of torque.  
ALWAYS check the saw for loosened hardware such as nuts  
and bolts before starting.  
NEVER leave the machine unattended while running.  
NEVER run the engine without the air filter. Severe engine  
damage could occur. Service air cleaner at recommended  
service intervals to prevent engine damage.  
Ensure brakes are applied when leaving or when using on a  
slope. This saw utilizes a brake system where the brakes are  
automatically applied when the engine is stopped.  
Make certain all protective guards are securely in place  
BEFORE operating the saw.This saw is supplied with a blade  
guard, blade flange guard, and a belt guard.  
Start engine with the Control Handle in the NEUTRAL  
position to prevent unexpected saw movement.  
Do not start engine on a sloping surface to prevent  
unexpected loss of control.  
NEVER place your feet or hands inside the guards while  
starting or operating this equipment.  
DO NOT use on excessive slopes or on extremely uneven  
surfaces.  
DO NOT go near rotating parts, (blades,  
belts, pulleys or wheels), while engine is  
running.  
If the saw must be parked on a slope and engine turned off,  
ensure the parking brake is engaged and holds the saw  
safely in place.Turning the saw across the angle of the slope  
will help prevent accidental downhill movement. Block the  
saw as well when leaving.  
Moving Parts – Shut down the engine before performing  
service or maintenance functions. Contact with moving parts  
can cause serious injury.  
MQ PS4030 SAW • OPERATION MANUAL — REV. #0 (02/29/08) — PAGE 13  
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MQ PS4030 SAW — RULES FOR SAFE OPERATION  
Always store equipment properly when not being used.  
Diamond Blade Safety  
Equipment should be stored in a clean, dry location out of  
the reach of children. When storing the saw in freezing  
weather, blow out the water lines to prevent damage to  
components in the water delivery system.  
Use appropriate steel-centered diamond blades  
manufactured for particular use on your saw. See further  
blade information in this manual.  
WARNING  
DON'T POLLUTE! Waste Oils and other chemicals must be  
disposed of in a manner consistent with local and state  
environmental protection regulations.  
ALWAYS inspect diamond blades  
before each use. The blade should  
exhibit no cracks, dings, or flaws in  
the steel centered core and/or rim.  
Center (arbor) hole must be  
undamaged and true.  
Always observe all applicable compulsory regulations  
relevant to environmental protection, especially fuel storage,  
the handling of hazardous substances, and the wearing of  
protective clothing and equipment. Instruct the user as  
necessary, or, as the user, request this information and  
training.  
Examine blade flanges for damage and excessive wear.  
Ensure the cleanliness of the blade before blade is installed.  
Blade should fit snugly on the shaft and against the inside/  
outside blade flanges.  
Ensure the blade is marked with an operating speed greater  
than the spindle speed of the saw.  
Only cut the material that is specified for the diamond blade.  
Read the specifications of the diamond blade to ensure the  
proper tool has been matched to the material being cut.The  
saw has been engineered for WET CUTTING. Ensure a  
WET CUTTING blade is being used and that the water supply  
system to the blade is properly functioning and being used.  
ALWAYS keep blade guards in place. Exposure of the  
diamond blade must not exceed 180 degrees.  
Ensure that the diamond blade does not come into contact  
with the ground or surface during transportation. DO NOT  
drop the diamond blade on ground or surface.  
The engine governor is set to permit maximum engine speed  
in a no-load condition. Do not tamper with the engine  
governor to increase the speed. Increasing the engine speed  
could allow the maximum rated spindle speed to be  
exceeded, creating an unsafe condition.  
Ensure that the blade is mounted for proper operating  
direction.  
Adhere to the Blade Manufacturer's recommendations on  
handling, storage, and safe usage of blades.  
PAGE 14 — MQ PS4030 SAW • OPERATION MANUAL — REV. #0 (02/29/08)  
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MQ PS4030 SAW — RULES FOR SAFE OPERATION  
Saw Lifting and Loading Safety  
Towing Safety Precautions (Trailer Usage)  
CAUTION  
CAUTION  
Conform to Department ofTransportation (DOT) Safety  
Towing Regulations before transporting saw on public  
roads.  
This Saw is very heavy. Use proper heavy lifting procedures  
and DO NOT attempt to lift the saw by the guards.  
To reduce the possibility of an accident while transporting the  
saw on public roads, always make sure the trailer that supports  
the saw and the towing vehicle are in good operating condition  
and both units are mechanically sound.  
DANGER  
NEVER stand under or allow anyone else to stand under the  
saw while it is being lifted.  
The following list of suggestions should be used when towing  
your saw:  
DO NOT use the handle bars and/or front pointer as lifting  
points.  
Check the tire air pressure on both towing vehicle and trailer.  
Refer to the tire manufacturer's recommended pressure. Also  
check the tire tread wear on both vehicles.  
ALWAYS use ramps capable of supporting the weight of the  
saw and the operator to load and unload the saw. If the saw  
must be lifted, always use two people. Never attempt to lift  
the saw by yourself.  
Make sure the hitch and coupling of the towing vehicle are  
rated equal to, or greater than the trailer "gross vehicle weight  
rating" (GVWR) of 6,000 lbs.  
NEVER tip the engine to extreme angles as it may cause oil  
to gravitate into the cylinder head making the engine start  
difficult.  
ALWAYS inspect the hitch and coupling for wear. NEVER  
tow a trailer with defective hitches, couplings, chains, etc.  
NEVER transport the saw to or from the job site with the  
blade mounted.  
ALWAYS make sure the trailer is equipped with "Safety  
Chains " and ensure they are attached properly.  
ALWAYS make sure the vehicle and trailer directional,  
backup, brake, and trailer lights are connected and working  
Transporting (Via truck/trailer)  
DO NOT exceed the recommended highway speed when  
towing.  
ALWAYS shutdown engine before transporting.  
Tighten fuel tank cap securely and close fuel petcock to  
prevent fuel from spilling.  
Use chock-blocks at each wheel when parked to prevent  
trailer from rolling.  
Drain fuel when transporting saw for long distances or over  
bad roads.  
Use the trailer's swivel jack to adjust the trailer height to a  
level position while parked.  
Use appropriate lifting equipment to ensure the safe  
movement of the saw.  
Avoid sudden stops and starts. This can cause the trailer to  
skid or jack-knife. Smooth, gradual starts and stops will  
improve towing.  
Do not use the handlebars or front pointer as lifting points.  
When placing the saw on a truck-bed for transport, always  
tie-down the saw.  
Avoid sharp turns.  
Trailer should be adjusted to a level position at all times  
when towing.  
Do not use the handlebars or front pointer as tie-down points.  
Never attempt to tow the saw untrailered behind a vehicle.  
Never transport the saw with the blade mounted.  
Raise and lock trailer wheel stand in the "UP" position when  
transporting.  
If the saw is being transported via a trailer, make sure the  
trailer complies with all local and state safety transportation  
laws. Refer to the following "Towing Safety Precautions"  
for basic towing techniques.  
DOT requirements include the following:  
Connect and test electric brake operation.  
Secure portable power cables in cable tray with tie wraps.  
MQ PS4030 SAW • OPERATION MANUAL — REV. #0 (02/29/08) — PAGE 15  
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MQ PS4030 SAW — RULES FOR SAFE OPERATION  
Battery  
ALWAYS allow the saw a proper amount of time to cool  
before servicing.  
The battery contains acids that can cause injury to the eyes and  
skin. To avoid eye irritation, always wear safety glasses or face  
shielding. Use well insulated gloves when picking the battery  
up. Use the following guidelines when handling the battery.  
Prior to service, level the frame surface.  
Anytime the saw is lifted onto its nose, or tilted fully back such  
as for maintenance access, the high end of the saw MUST  
be blocked up to prevent the possibility of crush injury.  
DO NOT drop the battery. Any impact to  
the battery may cause it to explode.  
Make sure that there is no buildup of concrete, grease, oil or  
debris on the machine.  
DO NOT expose the battery to open flames,  
sparks, lit cigarettes etc. The battery  
contains combustible gases and liquids. If  
these gases and liquids come in contact  
with a flame or spark an explosion can occur.  
Repair damage to the saw immediately and always replace  
broken parts.  
Dispose of hazardous waste properly. Examples of potentially  
hazardous waste are used motor oil, fuel and fuel filters.  
ALWAYS keep the battery charged. If the battery is not  
charged a buildup of combustible gas will occur.  
DO NOT use plastic food containers to dispose of hazardous  
waste.  
ALWAYS recharge the battery in a vented air environment  
to avoid risk of a dangerous concentration of combustible  
gases.  
DO NOT pour waste oil or fuel directly onto the ground, down  
a drain or into any water source.  
ALWAYS keep battery cables in good working condition.  
Repair or replace all worn cables.  
NEVER store saw with fuel in the tank for any extended period  
of time. Always clean up spilled fuel immediately.  
Disconnect battery cables before  
inspecting electrical system and  
never "spark" battery terminals to test  
for charge.  
Emergencies  
ALWAYS know the location of  
the nearest fire extinguisher.  
In case the battery liquid (dilute  
sulfuric acid), comes in contact with  
clothing or skin, rinse skin or clothing  
immediately with plenty of water.  
ALWAYS know the location of the  
nearest first aid kit.  
In case the battery liquid, (dilute sulfuric  
acid), comes in contact with your eyes,  
rinse eyes immediately with plenty of water, then contact the  
nearest doctor or hospital and seek medical attention.  
Know the phone numbers of the nearest  
ambulance, doctor and fire department. Ensure  
that a phone or radio is readily available at the  
jobsite. If this is not possible, know the location of  
the nearest phone. This information will be  
invaluable in the event of an emergency.  
Maintenance Safety  
Maintain this equipment in a safe operating condition at all  
times.  
ALWAYS shut down the engine and disconnect battery before  
performing service or maintenance functions. Contact with  
moving parts can cause serious injury.  
Securely support any saw components that must be raised.  
NEVER lubricate components or attempt service on a running  
saw.  
PAGE 16 — MQ PS4030 SAW • OPERATION MANUAL — REV. #0 (02/29/08)  
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MQ PS4030 SAW — INTENDED USE / FAMILIARIZATION  
Intended Use  
Features  
Operate the MQ PS4030 SAW, tools and components in  
accordance with the manufacturer's instructions. Use of any  
other tools for stated operation is considered contrary to  
designated use. The risk of such use lies entirely with the user.  
The manufacturer cannot be held liable for damages as a result  
of misuse.  
Tri-Position handlebars allow for 3-position adjustment for  
optimal maneuverability.  
Engine Stop Switch conveniently located on Operators  
Control Panel.  
Console mounted withVibration Control System.  
Chassis cold-formed welded box construction.  
This saw is not intended for dry cutting.  
Oil lubricated Blade Shaft Bearings - no lubrication  
requirements.  
Engine  
Oil Bath design, fully enclosed cast iron housing.  
TheMQPS4030sawisclassifiedintheindustryasa"high"powered  
saw. This classification is particularly useful when selecting the  
proper cutting tool (blade) for an application.  
Quick Disconnect Blade Flange system; inner flanges  
mounted to shaft.  
Blade mounting Left side or Right side.  
The MQ PS4030 saw is powered by a liquid cooled, 2 cylinder  
diesel engine rated at 30 HP (22.37 kW) at 3,000 RPM. Blade  
rotation is belt driven. Wheel Drive system is driven by a  
hydrostatic transmission consisting of a variable displacement  
pump and two fixed displacement wheel motors.  
Saw position guide helps ensure straight cuts  
Dual water lines directly deliver water to blade.  
Slip-On, tapered mount Blade Guard for ease of removal  
and installation.  
Refer to the Engine Owner's Manual for specific instructions  
regarding engine operation and maintenance practices.  
Blade Raise-Lower by electro-hydraulic pump.  
Belt Drive tension automatically controlled by hydraulic  
tensioning system.  
Dual Filter Element Air Filter with integral turbo pre-cleaner.  
Hydro-gear hydrostatic transmission pump.  
Hydro-gear hydrostatic wheel motors.  
Water System  
All MQ PS4030 saws provide a hardy water plumbing system that  
evenly distributes water volume and optimum flow rate to both  
sides of the blade to keep it cool when cutting. The basic water  
system provides a valve that connects to a standard garden hose.  
The water is delivered (via a hose) to the saw blade.  
Travel Speed up to 84 MPM (meters per minute)/ 275 FPM.  
Automatic actuating parking brake.  
Easy-Ad