4WD MANUAL
Vahva Jussi 320
2011 Kreisi Metall
Troubleshooting
TROUBLE
POSSIBLE CAUSE
REMEDY
PUMP RUNNING TOO SLOWLY
CHECK PUMP ROTATING
SPEED
NOT ENOUGH OIL
ADD OIL (AIR-BLEEDING)
FAULTY PUMP
CHANGE OR GET THE PUMP
FIXED
LEAKS OR OBSTRUCTIONS IN OIL
LINES
INSPECT AND CLEAN OIL
LINES
4WD WORKING
MOVEMENT SLOW
OIL TOO THICK
CHANGE TO A THINNER
(PROPER)
OIL GRADE
NOT ENOUGH OIL
ADD OIL (AIR BLEEDING)
FAULTY PUMP
CHANGE OR GET THE PUMP
FIXED
FAULTY OF RELIEF OR SHOCK
VALVES OR WRONG ADJUSTMENT
CHANGE THE RELIEF OR
SHOCK VALVES OR ADJUST IN
RIGHT WAY
FAULTY CONTROL VALVE
CHANGE OR GET THE VALVE
FIXED
4WD WORKING
MOVEMENTS
POWERLESS
FAULTY CYLINDERS OR SEALS
CHECK THE CYLINDERS AND
CHANGE THE SEALS
AIR IN HYDRAULIC SYSTEM
CHECK OIL LEVEL, BLEED AIR
FROM SYSTEM
CHECK FOR OBSTRUCTIONS
OR LEAKS ON THE INLET SIDE
4WD MOVEMENTS ARE
JERKY
FAULTY PUMP
INSPECT THE PUMP AND GET
IT FIXED
