Multiquip operation manual FS3SP Concrete SAW Troubleshooting Engine, Engine Troubleshooting

Page 38

FS3SP CONCRETE SAW — TROUBLESHOOTING (ENGINE)

TABLE 7. ENGINE TROUBLESHOOTING

SYMPTON

POSSIBLE CAUSE

SOLUTION

 

 

 

 

Spark plug bridging?

Check gap, insulation or

 

replace spark plug.

 

 

 

 

 

Difficult to start, "fuel is available, but no

Carbon deposit on spark plug?

Clean or replace spark plug.

 

 

SPARK at spark plug".

Short circuit due to deficient spark plug

Check spark plug insulation,

 

 

insulation?

replace if worn.

 

 

 

 

Improper spark plug gap?

Set to proper gap.

 

 

 

 

Console or engine ON/OFF switch is

Check switch wiring, replace

 

shorted?

switch.

 

 

 

 

Ignition coil defective?

Replace ignition coil.

 

 

 

Difficult to start, "fuel is available, and

Improper spark gap, points dirtry?

Set correct spark gap and

clean points.

SPARK is present at the spark plug".

 

 

 

 

Condenser insulation worn or short

Replace condenser.

 

circuiting?

 

 

 

 

 

 

Spark plug wire broken or short circuiting?

Replace defective spark plug

 

wiring.

 

 

 

 

 

 

Wrong fuel type?

Flush fuel system, and replace

 

with correct type of fuel.

 

 

Difficult to start, "fuel is available, spark

 

 

Water or dust in fuel system?

Flush fuel system.

is present and compression is normal"

 

 

 

 

Air cleaner dirty?

Clean or replace air cleaner.

 

 

 

 

Suction/exhaust valve stuck or protruded?

Re-seat valves.

 

 

 

 

Piston ring and/or cylinder worn?

Replace piston rings and or

 

piston.

Difficult to start, "fuel is available, spark

 

 

 

 

 

is present and compression is low"

Cylinder head and/or spark plug not

Torque cylinder head bolts and

 

tightened properly?

spark plug.

 

 

 

 

Head gasket and/or spark plug gasket

Replace head and spark plug

 

damaged?

gaskets.

 

 

 

 

Fuel not available in fuel tank?

Fill with correct type of fuel.

 

 

 

 

Fuel cock does not open properly?

Apply lubricant to loosen fuel

 

cock lever, replace if necessary.

 

 

No fuel present at carburetor.

 

 

Fuel filter clogged?

Replace fuel filter.

 

 

 

 

 

Fuel tank cap breather hole clogged?

Clean or replace fuel tank cap.

 

 

 

 

Air in fuel line?

Bleed fuel line.

 

 

 

PAGE 38 — MQ-WHITEMAN FS3SP CONCRETE SAW — PARTS & OPERATION MANUAL — REV. #0 (07/15/02)

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Contents Concrete SAW Page Heres HOW to GET Help Table of Contents Parts Ordering Procedures UPS Ground Service at no charge for freightFS3SP Concrete SAW Safety Message Alert Symbols Seriously injured if you do not follow directionsAlways wear approved respiratory protection Always wear approved eye and hearing protectionMachine Safety Decals FS3SP Concrete SAW DecalsGeneral Safety Spilled on a hot engineFS3SP Concrete SAW Rules for Safe Operation Diamond Blade SafetySAW Transportation Safety Emergencies Maintenance SafetyFS3SP Concrete SAW Rules for Safe Operation FS3SP Concrete SAW Dimensions Description Dimension MMFS3SP Concrete SAW Weights FS3SP Concrete SAW Major Components FS3SP Concrete Saw Basic ComponentsPart Name Not ShownThrough the saw FS3SP Concrete SAW Console ComponentsOperation hours saw has been in use ChokeTo Change/Clean Air Filter Initial ServicingEngine Oil Filler and Cap Engine Oil Dip StickEngine Oil Limits Engine Drain BoltFamiliarization Power PlantsFS3SP Concrete SAW General Information Blade Drive System Blade Guard AssemblyUnder Carriage System Water SystemEngine Oil Check FS3SP Concrete SAW InspectionBefore Starting SeasonDo not overfill the battery Additionally, when connecting the positiveOperating area FS3SP Concrete SAW Inspection -BLADERotation downcuts with the turn of the shaft Poor performance and/or blade damageFS3SP Concrete SAW Inspection -BLADE Placement Diamond Blade PlacementCheck the following on the blade flange cover Guards and Covers CheckB7.5 Belts and CoversBelts and Pulleys FS3SP Concrete SAW- Initial START-UP Pull the Choke Knob up into the Open positionFS3SP Concrete SAW Initial START-UP Push the Start SwitchFigure 23 to start the enginePush the console engine ON/OFF switch to the OFF position Stopping the EngineWet Saw Operation FS3SP Concrete SAW OperationSaw Alignment For wet sawingDiamond Blades and Blade Speed Factors for sawing economyFinishing a Cut Blade SpeedBearing Lubrication Care FS3SP Concrete SAW MaintenanceGeneral Engine Care General Transmission Care AdjustV-Belt Alignment/Replacement PulleysComplete DriveV-Belts Replacement steps 1 through Drive Chainwill Reduce Chain LifeRotate the engine down to provide slack in the V-Belts Blade Shaft Bearing ReplacementReplacement of the Blade Shaft Bearings DriveV-Belt Check DriveV-Belts ReplacementGeneral Cleanliness Loosen the 4 3/8 HHC screws page 48, itemPage Items Found In the Items Number Column FS3SP SAW Explanation of Code in Remarks ColumnItems Found In the Remarks Column FS3SP Concrete SAW Suggested Spare Parts FS3SP Concrete SAW Troubleshooting Engine Engine TroubleshootingFS3SP Concrete SAW Troubleshooting Engine Sympton Possible Cause SolutionFS3SP Concrete SAW Name Plate and Decals FS3SP Concrete SAW Name Plate and Decals FS3SP Concrete SAW Under Carriage Assy WHEEL, 5D X 2W X .625 ID #400 CAP FS3SP Concrete SAW Rear Axle Assy Rear Axle Assy FS3SP Concrete SAW Blade Shaft Assy Part Name QTY Remarks FS3SP Concrete SAW Engine Mount Assy MOUNT, Engine Assy FS3SP Concrete SAW Pointers and Covers Assy FS3SP Concrete SAW Pointers and Covers Assy FS3SP Concrete SAW Water System Assy 15546 15076FS3SP Concrete SAW Basic Platform Assy Basic Platform AssySCREW, HHC, Washer 1/4- 20 X 3/4 FS3SP Concrete SAW Blade Mist 20 -INCH Assy GUARD, Blade 20 Assy FS3SP Concrete SAW Manual Raise and Lower Assy FS3SP Concrete SAW Manual Raise and Lower Assy FS3SP Concrete SAW Plug KIT Push Assy Part Name QTY. Remarks FS3SP Concrete SAW Plug KIT Self Proppelled Assy FS3SP Concrete SAW Plug KIT Self Proppelled Assy 10024 NUT, Nyloc 1/4-20 15340FS3SP Concrete SAW Battery BOX Assy Battery BOX Assy10024 NUT, Nylock 1/4 0471 FS3SP Concrete SAW Battery BOX Assy15203 FS3SP Concrete SAW Platform Bare Assy 15214 1503515069 15215Transmission Assy FS3SP Concrete SAW Transmission Assy FS3SP Concrete SAW Transmission Assy SCREW, HHC, Washer 10- 32 X 5/8 CABLE, Throttle 314VTT- 2- 30 1/4FS3SP Concrete SAW Engine Assy 15743 1572915104 15386FS3SP Concrete SAW Wiring Diagram Console SideFS3SP Electric Start Wiring Diagram Rocker Switches Terms and Conditions of Sale Parts Page FAX 310