Multiquip QP-40TE manual QP- 40TE Troubleshooting ENGINE/PUMP

QP- 40TE — TROUBLESHOOTING (ENGINE/PUMP)

TABLE 5. ENGINE TROUBLESHOOTING (Continued)

	SYMPTOM		POSSIBLE PROBLEM		SOLUTION
Operation not satisfactory
		Governor adjustment improper?		Adjust governor to correct lever.
		Governor spring defective?		Clean or replace ignition.
Rotational speed fluctuates.
		Fuel flow erratic?		Check fuel line.
		Air taken in through suction		Check suction line.
		line?
Recoil starter not working		Dust in rotating part?		Clean recoil starter assembly.
properly.		Spring spring failure?		Replace sprial spring.
			TABLE 6 PUMP TROUBLESHOOTING
	SYMPTOM		POSSIBLE PROBLEM		SOLUTION
			Not enough priming water in the housing?		Add water.
			Engine speed too low?		Increase throttle.
			Strainner plugged?		Clean strainer.
			Suction hose damaged?		Replace or repair hose, and clamps
			Air leak at suction port?		Check that fittings are tight and properly sealed.
	Pump does not take on water.
			Pump is located too high above water line?		Move pump closer to water.
			Debris collecting in pump housing?		Clean pump housing.
			Too much distance between impeller and volute.		Adjust clearance by adding shims or replace impeller.
					Min. .006" - Max. .020"
			Water leaking out weep hole between pump and		Check condition of mechanical seal and gaskets,
			engine?		between pump end and engine housing.
			Engine speed too low?		Increase throttle speed.
	Pump takes in water, little or no		Suction strainer partially plugged?		Clean strainer.
	discharge.
			Impeller/Volute worn?		Adjust clearance by adding shims or replace
					impeller/volute
			Fittings/clamps are not sealed properly?		Tighten, replace or add clamp. (Keep extra seals on
	Suction hose leaks at inlet.				pump)
			Hose diameter is too large?		Use smaller diameter hose or replace hose.
	Discharge does not stay on		Pressure too high?		Check pressure, add additional clamp.
	coupling.		Hose kinked or end blocked?		Check hose.
			Impeller jammed or blocked?		Open pump cover and clean dirt and debris from
					inside housing.
	Impeller does not turn: pump is
			Impeller and volute binding?		Adjust clearance by removing shim from behind
	hard to start.
					impeller.
			Defective engine?		See Hatz Diesel Engine Owner's Manual.

QP- 40TE — OPERATION & PARTS MANUAL — REV. #0 (04/13/05) — PAGE 27