Multiquip C30HDZ manual Enginetroubleshooting, For more detail troubleshooting methods, refer

ENGINETROUBLESHOOTING

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take a remedial action following the diagnosis based on the EngineTroubleshooting (Table 6) information shown below and on the proceeding page. If the problem cannot be remedied, please leave the unit just as it is and consult our company's business office or service plant.

TABLE 6. ENGINE TROUBLESHOOTING

SYMPTON	POSSIBLE PROBLEM	SOLUTION
	Speed control lever is in "STOP" position?	Set speed control lever to "START" position.
	Defective fuel pump?	Replace fuel pump.
	Fuel filter clogged?	Replace fuel filter and clean tank.
Engine will not start or start is	Faulty fuel supply line?	Replace or repair fuel line.
		Check piston, cylinder and valves. Adjust or
delayed, although engine can	Compression too low?
be turned over.		repair per engine repair manual.
	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.
At low temperatures engine will	Engine oil too thick?	Refill engine crankcase with correct type of oil
		for winter environment.
not start.
	Defective battery?	Replace battery.
	Throttle lever in STOP position?	Reposition throttle lever to RUN position.
Engine fires but stops soon as	Fuel filter blocked?	Replace fuel filter.
starter is switched off.	Fuel supply blocked?	Check the entire fuel system.
	Electrical problem at fuel solenoid?	Repair using #7 wire.
	Fuel tank empty?	Add fuel.
Engine stops by itself during	Fuel filter blocked?	Replace fuel filter.
	Defective fuel pump?	Replace fuel pump.
normal operation.
	Mechanical oil pressure shutdown sensor	Add oil. Replace low oil shutdown sensor if
	stops the engine due to low oil?	necessary.

For more detail troubleshooting methods, refer

NOTE to NISSAN Operation and Maintenance manual supplied with your pump.

MAYCO C30HDZ PUMP — OPERATION AND PARTS MANUAL — REV. #12 (04/03/12) — PAGE 47