Multiquip QP3TZ manual Troubleshooting Engine

Page 24

 

 

TROUBLESHOOTING

 

 

 

 

 

Troubleshooting (Engine)

 

 

Symptom

Possible Problem

 

Solution

 

 

 

 

 

No Fuel reaching injection pump?

 

Add fuel. Check entire fuel system.

 

 

 

 

 

Defective fuel pump?

 

Replace fuel pump.

 

 

 

 

 

Fuel filter clogged?

 

Replace fuel filter and clean tank.

 

 

 

 

 

Faulty fuel supply line?

 

Replace or repair fuel line.

 

 

 

 

 

Compression too low?

 

Check piston, cylinder and valves. Adjust or

 

 

repair per engine repair manual.

Engine will not start or start is delayed,

 

 

 

 

 

Fuel pump not working correctly?

 

Repair or replace fuel pump.

although engine can be turned over.

 

 

 

 

Oil pressure too low?

 

Check engine oil pressure.

 

 

 

 

 

 

 

Low starting temperature limit exceeded?

 

Comply with cold starting instructions and

 

 

proper oil viscosity.

 

 

 

 

Defective battery?

 

Charge or replace battery.

 

Air or water mixed in fuel system?

 

Check carefully for loosened fuel line

 

 

coupling, loose cap nut, etc.

 

 

 

 

Engine oil too thick?

 

Refill engine crankcase with correct type of

At low temperatures engine will not start.

 

oil for winter environment.

 

 

 

Defective battery?

 

Replace battery.

 

 

 

 

Engine fires but stops soon as starter is

Fuel filter blocked?

 

Replace fuel filter.

 

 

 

Fuel supply blocked?

 

Check the entire fuel system.

switched off.

 

 

 

 

Defective fuel pump?

 

Replace fuel pump.

 

 

 

 

 

 

 

Fuel tank empty?

 

Add fuel.

 

 

 

 

Engine stops by itself during normal

Fuel filter blocked?

 

Replace fuel filter.

 

 

 

Defective fuel pump?

 

Replace fuel pump.

operation.

 

 

 

 

 

Mechanical oil pressure shutdown sensor

 

Add oil. Replace low oil shutdown sensor if

 

stops the engine due to low oil?

 

necessary.

 

 

 

 

 

Fuel tank empty?

 

Replace fuel filter.

 

 

 

 

 

Fuel filter clogged?

 

Replace fuel filter.

 

 

 

 

 

Fuel tank venting is inadequate?

 

Ensure that tank is adequately vented.

 

 

 

 

 

Leaks at pipe unions?

 

Check threaded pipe unions tape and tighten

 

 

unions a required.

 

 

 

Low engine power, output and speed.

Speed control lever does not remain in

 

See engine manual for corrective action.

 

 

 

selected position?

 

 

 

 

 

Engine oil level too full?

 

Correct engine oil level.

 

 

 

Use No. 2-D diesel fuel only. Check the fuel

 

Injection pump wear?

 

injection pump element and delivery valve

 

 

 

assembly and replace as necessary.

 

 

 

 

PAGE 24 — QP3TZ TRASH PUMP — OPERATION AND PARTS MANUAL — REV. #3 (10/21/11)

Image 24
Contents Model QP3TZ Proposition 65 Warning Diesel engine exhaust and someQP3TZ Trash Pump Operation and Parts Manual REV. #3 10/21/11 Table of Contents MQ QP3TZ Trash Pump Hatz 1B30 Diesel EngineParts Ordering Procedure Ordering parts has never been easierSafety Information Safety MessagesGeneral Safety Engine Safety Fuel Safety Transporting Safety SPECIFICATIONS/DIMENSIONS Pump Specifications PumpSpecifications Engine Engine Specifications Hatz 1B30General Information ApplicationComponents General dewatering applications. Typical dewateringBasic Engine Initial ServicingInspection Before StartingHoses and Clamps Operation UnderstoodMaintenance Pump Vacuum TestPump Vacuum Tester Engine Maintenance Schedule Daily Preparation for LONG-TERM Storage Pump StorageTroubleshooting Troubleshooting EngineSymptom Explanation of Code in Remarks Column Xxxxx only Not Used onSuggested Spare Parts QP3TZTRASH PumpPump Assy Pump Assy CasingCasing Cover Suction CoverPump Assy Bolt SET W/ Spring Washer Suction Plate M8 X Bolt SET W/ Spring Washer Suction Cover M8 XStud Bolt Drain Cover Handle KEY, ImpellerSpare Parts Kits Assy Gasket SET CYL. Head Gasket SET CrankcaseEmergency KIT Accessories Assy Accessories Assy Decal MaintenanceTool KIT Decal StartCrankcase and Engine Mount Assy Maintenance KIT Crankcase and Engine Mount AssyIncludes Items W Not Sold SeparatelyCrankshaft Assy Closing Plug 12 MM Stubshaft no SAE GENStubshaft TAP 25 DIA Stubshaft no 1 DIACamshaft Assy Flyweight Camshaft AssyCamlever Lock WasherPiston Assy Piston Assy CirclipPiston PIN Piston Ring SET 80MM Not Sold SeparatelyCylinder Head Assy Cylinder Head Cover Maintenance KIT Cylinder Head AssyValve Guide Stud Cylinder Head 141MMOIL PUMP/GOVERNOR Assy OIL PUMP/GOVERNOR Retaining StrapBall 3.5MM ALL. Screw M5X12OIL PUMP/GOVERNOR Assy Centrifugal Weight RingThreaded PIN M6X35 AS Required Threaded PIN M6X18 AS RequiredTiming Cover Assy Bolt Governor Housing Closing PlugMain Bearing BallFlywheel Assy Flywheel Assy Blower RingALL. Screw M4X20 Spring Washer A4Fuel Injection Assy Sealing Cone Shim 1.00MMShim 1.04MM Shim 1.10MMFuel Injection Assy Connecting Nipple Fuel Injection AssyControl Sleeve Shim 0.2MMRecoil Starter Assy Housing Recoil Starter Rubber SleeveReturn Spring Allen Screw M6X10AIR Duct Assy AIR Duct Assy HoodBlower Ducting Disc A6,4AIR Duct Assy Tube Stud M6X45Sealing Strip 48MM Stud M6X35Crankcase Breather Assy Crankcase Breather Assy Filter Breather SystemSuction Pipe Fuel Tank ASSY. OLD Style Fuel Tank ASSY. OLD Style CAP for Fuel TankFuel Hose Fuel PipeFuel Tank ASSY. NEW Style Fuel Tank ASSY. NEW Style RopeClamp Gasket for Fuel CAPFuel Tank ASSY. NEW Style Seal Wire INSUL. Hose 7House Clip Water SeparatorAIR Filter Assy AIR Filter AssySealing Strip ALL. Screw M8X25NUT M6 Cover AIR FilterMuffler Assy Exhaust END Pipe Threaded Bolt M6Exhaust Tube CTR. Sunk Screw M6X12Sealing and Bonding Adhesives Sealing and Bonding AdhesivesTerms and Conditions of Sale Parts Freight PolicyHERE’S HOW to GET Help