Mohawk RJ-15, Installation, Operation, Maintenance, Parts

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MOHAWK MODEL RJ-15 & RJ-25
9
TROUBLE SHOOTING
WARNING: NEVER ATTEMPT TO LOOSEN HYDRAULIC FITTINGS, OR OVERRIDE SAFETY DEVICES IN AN
ATTEMPT TO CORRECT A PROBLEM. ALL TESTS ARE TO BE PERFORMED WITH NO VEHICLE.
POSSIBLE CAUSE SOLUTION
MOTOR NOT STARTING
TRIPPED BREAKER RESET BREAKER / VERIFY PROPER BREAKER SIZE.
NO POWER TO MOTOR VERIFY POWER SUPPLY TO MOTOR.
SWITCH BURNED OUT VERIFY SWITCH ACTIVATION. CONSULT AN ELECTRICIAN. CONTACT
MOHAWK SERVICE DEPARTMENT.
MOTOR WIRING BURNED OUT CONSULT AN ELECTRICIAN. CONTACT MOHAWK SERVICE DEPARTMENT.
NOT LIFTING LOAD (OR RAISING SLOWLY)
UNIT OVERLOADED VEHICLE IS TOO HEAVY TO BE RAISED. COMPARE VEHICLE WEIGHT WITH
JACK LIFTING CAPACITY.
PRESSURE RELIEF SETTING NEEDS ADJUSTMENT
(SET TOO LOW) REFER TO POWER UNIT SPECIFICATIONS. CONTACT MOHAWK SERVICE
DEPARTMENT.
PRESSURE RELIEF CONTAMINATION REFER TO POWER UNIT SPECIFICATIONS. REMOVE AND CLEAN DEBRIS FROM
VALVE ASSEMBLY.
INCORRECT VOLTAGE TO POWER UNIT REFER TO POWER UNIT SPECIFICATIONS. CONSULT AN ELECTRICIAN
HYDRAULIC SYSTEM CONTAMINATION CYCLE UNIT EMPTY SEVERAL TIMES. IF NEGATIVE RESULT, FLUSH OUT
SYSTEM AND REPLACE WITH DEXRON III ATF.
MOTOR SMOKING
WINDINGS BURNED OUT IN MOTOR CONTACT MOHAWK SERVICE DEPARTMENT.
SHORT IN CIRCUIT CONSULT AN ELECTRICIAN
WRONG VOLTAGE CONSULT AN ELECTRICIAN
POWER UNIT MAKING NOISE
IMPELLER FAN COVER DENTED IF DAMAGED, REPLACE.
LOW FLUID LEVEL IN TANK FILL COMPLETELY (WHEN CYLINDERS RETRACTED). USE DEXRON III ATF.
RELIEF VALVE ACTIVATED VEHICLE IS TOO HEAVY OR VALVE SETTING IS TOO LOW. CONTACT MOHAWK
SERVICE DEPARTMENT.
SUCTION LINE NOT TIGHT OR NOT CONNECTED DISCONNECT POWER SOURCE AND LOCKOUT UNIT. CONTACT MOHAWK
SERVICE DEPARTMENT.