Multiquip manual MC-44S Concrete Mixer Troubleshooting ENGINE/MIXER

MC-44S CONCRETE MIXER — TROUBLESHOOTING (ENGINE/MIXER)

TABLE 9. 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 10. MIXER TROUBLESHOOTING

SYMPTOM	POSSIBLE PROBLEM	SOLUTION
	Defective ring gear?	Check that the ring gear and bearings are not worn . Replace as
		necessary.
	Defective pinion gear?	Check that the pinion gear and bearings are not worn . Replace as
Drum rotates rough.		necessary.
	Worn V-belt?	Replace V-belt.
	Loose pulley?	Tighten or replace pulley.
	Incorrect or no voltage being	Check that the electric motor has the correct supply voltage.
	supplied to electric motor?
	Power to electric motor?	Inspect power source and extension cord. Push reset button on
		electric motor. Make sure correct voltage is being supplied to motor.
		Check level of fuel in fuel tank. Add fuel if necessary. Make sure
Drum does not rotate at all.	Fuel?	fuel is being supplied to the engine. Check to ensure that the fuel
		filter is not clogged.
	Broken V-belt?	Replace V-belt.
	Defective ring or pinion gears?	Check that the gears and bearings are not broken. Replace as
		necessary.
	Defective electric motor?	Replace electric motor.

MC-44S CONCRETE MIXER — OPERATION & PARTS MANUAL — REV. #8 (09/15/11) — PAGE 31