TROUBLESHOOTING
OVERALL MACHINE
V-4TB53FR
1
3
2
NO OPERATIONS CAN BE DONE.
Inspect the hydraulic oil
level
Pump or coupling is
faulty.
Insufficient
Proper Amount
Replenish the hydraulic
oil.
• Repair the pump or replace
the pump.
• Replace the coupling.
1. Inspect the hydraulic oil level.
“III. Machine Configuration, Hydraulic
Tank”
2. Replenish the hydraulic oil.
Take out the plug and replenish the hydraulic oil.
• The hydraulic oil supplied should be the same
brand as the oil currently in the tank.
“II. Specifications, Fluid Capacities”
3. Pump or coupling is faulty.
a. Disconnect the discharge hose (1) from the
pump side.
Also fit a plug in the disconnected hose to keep
the hydraulic oil from pouring out.
b. Disconnect the electrical wiring to the engine
stop solenoid (2).
c. Turn the engine over using the starting motor
and inspect if hydraulic oil is discharged by the
pump.
• The throttle lever should be in the engine
stop position.
If the pump is normal, hydraulic oil will be
discharged from it. If hydraulic oil is not dis-
charged, the pump or the coupling is faulty.
C4E001
1
J1E002
2