8 - 5
T
ROUBLE
-
SHOOTING
C
HAPTER
8
THP 94/42 R 4 XXT
THP 125/42 R 4 XXT
THP 140 H/42 R 4 XXT
GB-07.2005
Fault
Cause
Remedy
The outrigger moves of its
Releasable non-return valve
Have valve cleaned or replaced by
own accord.
dirty.
WAITZINGER
customer service.
Cylinder seal worn.
Have seal replaced by
WAITZINGER
customer service.
Cylinder distorted by over-
Check valves for operation.
pressure.
Replace the cylinder.
Seek advice from
WAITZINGER
customer service on this point.
The boom will not move.
Incorrect switch setting.
Set selector switch
(Item 14, Fig. 5.2) to position
“Remote control” or set remote
control (Item 8, Fig. 5.12)
to position “Boom”.
Engine not running.
Start the engine.
Vehicle gearbox in neutral.
Select a gear, see section 7.2.1.
Emergency Stop button has
Establish why the Emergency Stop
been pressed.
button was pressed and remedy
the cause.
Release the Emergency Stop and
restart the controls with the horn,
see section 7.2.2.
Radio remote control not
Check transmitter battery charge.
operational.
Restart the radio remote control
(horn). Change the frequency.
Use cable remote control instead.
Pre-selector valve not actuated.
Check solenoid and wiring.
Operate pre-selector valve
manually. Seek advice
from
WAITZINGER
customer
service on this point.
Insufficient hydraulic oil.
Stop engine immediately and top
up with hydraulic oil.
WARNING:
The boom cylinder must be
bled. Seek advice from
WAITZINGER
customer
services on this point.
