14
ZF PADOVA
HYDRAULIC SYSTEM BREAKDOWN (only for type ZF W325)
If no power transmission occurs despite manual control there is a fault in the gearbox. In such cases,
the discs of the shift clutches can be mechanically pressed together by clamps bolts in the gearbox.
Clamp bolts [1] (Fig. 1) can be easily tightened from upside of the gearbox after the removal of the
inspection cover. Only one shift clutch on the gearbox may be closed at any one time, otherwise power
will be transmitted in both directions of rotation and the gearbox will be jammed (control valve has to
be positioned in neutral). Once the problem has been corrected, before operating the transmission,
unloose the screw [1] completely and lock them in place with Loctite 243.
On no account must this operation be performed on the two clutches at the same time.
Uncouple the engine from the gearbox before performing this operation.
ELECTRICAL SYSTEM BREAKDOWN
If a breakdown occurs in the electrical system or the solenoid valve solenoids, the clutches can be
engaged manually with a mechanical system. To operate this system, remove the cap [2] (Fig. 2),
press the button [3] (Fig. 3) and turn anti-clockwise.
A= valve closed (normal position)
B= valve open (emergency position)
EMERGENCY CONTROL
SECTION
3
1
Fig. 2
2
3
Fig. 3
B
A
1
Fig. 1
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