Multiquip manual QP-301TH Troubleshooting Engine, Engine Troubleshooting

Page 26

QP-301TH — TROUBLESHOOTING (ENGINE)

TABLE 7. ENGINE TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

Difficult to start

 

 

 

 

 

 

Ignition plug being bridge?

Check ignition system.

 

 

 

Fuel is available but spark plug

Carbon deposit at ignition?

Clean or replace ignition.

 

 

will not ignite. (Power available

Short circuit due to defective

Replace insulators.

at high tension cable).

insulators?

 

 

 

 

 

 

 

Improper spark gap?

Set spark plug gap to the correct gap.

 

 

 

Fuel is available but spark plug

Short circuit at stop switch?

Check stop switch circuit. Replace stop switch if defective.

will not ignite. (Power NOT

 

 

 

 

available at high tension cable).

Ignition coil defective?

Replace ignition coil.

 

 

 

 

Muffler clogged with carbon

Clean or replace muffler.

 

deposits?

 

 

 

 

 

Mixed fuel quality is

Check fuel to oil mixture.

Fuel is available and spark plug

inadequate?

 

ignites (compression normal).

 

 

Fuel in use inadequate (water,

Flush fuel sytem and replace with fresh fuel.

 

 

dust)?

 

 

 

 

 

Air Cleaner clogged?

Clean or replace air cleaner.

 

 

 

 

Defective cylinder head gasket?

Tighten cylinder head bolts or replace head gasket.

Fuel is available and spark plug

 

 

Cylinder worn?

Replace cylinder.

ignites (compression low ).

 

 

 

Spark plug loose?

Tighen spark plug.

 

 

 

Operation not satisfactory

 

 

 

 

 

 

Air cleaner clogged?

Clean or replace air cleaner.

 

 

 

Not enough power available

Air in fuel line?

Bleed (remove air) from fuel line.

 

 

(compression normal, no miss-

Fuel level in carbureator float

 

firing).

Adjust carbureator float

chamber improper?

 

 

 

 

 

 

Carbon deposits in cylinder?

Clean or replace cylinder

 

 

 

 

Ignition coil defective?

Flush fuel sytem and replace with fresh fuel.

Not enough power available

 

 

Ignition plug often shorts?

Replace ignition wires, clean ignition.

(compression normal, miss-

 

 

firing).

Fuel in use inadequate (water,

Flush fuel sytem and replace with fresh fuel.

 

 

dust)?

 

 

 

 

 

Excessive carbon depostion in

Clean or replace crankcase.

 

combustion chamber?

 

 

 

 

Engine overheats.

Exhaust or muffler clogged with

Clean or replace muffler.

 

carbon.

 

 

 

 

 

Spark plug heat value incorrect?

Replace spark plug with correct type spark plug.

 

 

 

PAGE 26 — QP-301TH TRASH PUMP — PARTS MANUAL — REV. #4 (10/05/05)

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Contents Multiquip Model QP-301TH Gasoline Powered Trash Pump 2 QP-301TH Trash Pump Parts Manual REV. #4 10/05/05 Heres HOW to GET Help QP-301TH Table of Contents Parts Ordering Procedures When ordering parts Please supply the following informationQP-202TH Safety Message Alert Symbols Accidental Starting General Safety Rules for Safe OperationRules for Safe Operation Specifications Pump Specifications Engine QP-301TH General Information ApplicationQP-301TH Pump Components QP-301TH Basic Engine Initial ServicingQP-301TH PRE-INSPECTION Engine QP-301TH PRE-SETUP Pump Read safety instructions at the beginning of manualQP-301TH Initial START-UP Engine QP-301TH Initial START-UP Engine QP-301TH Trash Pump Parts MANUAL- REV 10/05/05 QP-301TH Maintenance Pump Pump Vacuum TestQP-301TH Maintenance Pump QP-301TH Maintenance Engine Engine Maintenance Schedule QP-301TH Maintenance Engine QP-301TH Preparation for Long -TERM Storage Pump StorageQP-301TH Trash Pump Parts MANUAL- REV 10/05/05 QP-301TH Troubleshooting Engine Engine TroubleshootingQP-301TH Troubleshooting ENGINE/PUMP QP-301TH Explanation of Code in Remarks Column Items Found In the Items Number ColumnQP-301TH Suggested Spare Parts QP-301THTRASH PUMP1TO 3 Units Honda GX240K1PA2 EngineQP-301TH Pump Assy Pump AssyCasing Cover ENGINE, HondaCasing NPS3 Suction Cover NPS332 QP-301TH Trash Pump Parts Manual REV. #4 10/05/05 Washer M10 Bolt Engine M10 XBolt Casing Cover M8 X Seal Washer M8Honda GX240K1PA2 Engine AIR Cleaner Assy AIR Cleaner AssyCOLLAR, AIR Cleaner COVER, AIR CleanerGROMMET, AIR Cleaner Collar B, AIR CleanerHonda GX240K1PA2 Engine Camshaft Assy Camshaft AssyLIFTER, Valve SPRING, Weight ReturnARM, Valve Rocker PIVOT, Rocker ARMHonda GX240K1PA2 Engine Carburetor Assy Carburetor AssyScrew SET, Drain Screw SET B Choke SET Includes Items W Gasket SET Valve SET, Float Float SETEngine S/N BE70B a SCREW, Throttle Stop NOZZLE, Main Collar SETHonda GX240K1PA2 Engine Control Assy Control AssyROD, Governor SPRING, Control AdjustingARM, Governor SPRING, GovernorHonda GX240K1PA2 Engine Crankcase Cover Assy Crankcase Cover AssyPIN, Governor Weight WEIGHT, GovernorHOLDER, Governor Weight GASKET, Case CoverCrankshaft /BALANCER Weight Assy Honda GX240K1PA2 Engine CRANKSHAFT/BALANCER AssyWEIGHT, Balancer Honda GX240K1PA2 Engine CRANKSHAFT/BALANCER AssyHonda GX240K1PA2 Engine Cylinder Barrel Assy Cylinder Barrel AssyWasher SHAFT, Governor ARMBOLT, Drain PLUG2 NUT, Flange 10MMHonda GX240K1PA2 Engine Cylinder Head Assy Cylinder Head AssyGASKET, Cylinder Head GUIDE, Valve OS OptionalCLIP, Valve Guide COVER, HeadHonda GX240K1PA2 Engine FAN Cover Assy FAN Cover AssyShroud CLIP, Wire HarnessCLIP, Tube SUB- HarnessHonda GX240K1PA2 Engine Flywheel Assy Flywheel AssyFAN, Cooling FlywheelHonda GX240K1PA2 Engine Fueltank Assy Fuel Tank AssyTANK, Fuel *NH1* Black RUBBER, Supporter 107MMJOINT, Fuel Tank GASKET, Fuel Filler CAPHonda GX240K1PA2 Engine Ignition Coil Assy Ignition Coil AssyWIRE, Stop Switch 370MM Coil ASSEMBLY, IgnitionGROMMET, Wire Honda GX240K1PA2 Engine Muffler Assy Muffler AssyPROTECTOR, Exhaust Pipe MufflerPROTECTOR, Muffler PIPE, ExhaustHonda GX240K1PA2 Engine Piston Assy Piston AssyRing SET, Piston OS0.25 BOLT, Connecting RODRing SET, Piston Standard Ring SET, Piston OS.50Honda GX240K1PA2 Engine Recoil Starter Assy Recoil Starter AssySPRING, Friction PULLEY, Recoil StarterRACHET, Starter SPRING, Starter Return64 QP-301TH Trash Pump Parts Manual REV. #4 10/05/05 GASKET, CYL. Head Cover Honda GX240K1PA2 Engine Gasket KIT AssyGasket KIT Assy Honda GX240K1PA2 Engine Labels Assy Abels AssyLABEL, Caution Emblem InternalMARK, Caution External MARK, Choke ExternalEffective October 1, 2002 Terms and Conditions of Sale Parts QP-301TH Trash Pump Parts MANUAL- REV 10/05/05 Multiquip INC
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