Operating
Instructions
Repair
2K2100 with STW
30
6
Repair
In the event of gearbox malfunctions, first check
the connected components and their ports and
connections.
Carefully describe the type of fault so as to assist
manufacturer diagnosis (see section 6.1).
Repairs on the gearbox itself may only be carried
out by ZF
Maschinenantriebe GmbH or by
authorized ZF after-sales points.
6.1
Gearbox fault checklist
If you encounter drive unit faults, please refer to
the remedies in section 7 first of all for help.
If this does not solve the problem, you will need
to provide the following information for diagnosis
at ZF Maschinenantriebe GmbH or an authorized
ZF after-sales point:
Gearbox data on the model plate
Typ:
. . .
(Type)
Stückliste:
. . . . . . . . . .
(P.L.No.)
Serien-Nr.:
. . . . . .
(Serial-No.)
Motor data on the model plate
Manufacturer:
. . .
Type/size:
. . .
Questions for fault diagnosis:
•
Is gearbox oil sight glass dark/discolored
black?
•
Smell of burning oil at oil breather?
•
Gearbox running noise in 1:1 or 4:1 gear
ratio, or only in one rotation direction or in
both rotation directions?
•
Before the running noise occurred, was the
machine operated in only one gear ratio (1:1)
for an extended period of time?
•
Did the running noise occur after changing
the machine's cycle or was the machine cycle
unchanged?
•
Was any maintenance carried out on the
machine before the fault occurred and, if yes,
what did this maintenance work involve?
•
No gear change or gear loss in the event of a
shift problem?
•
Does shift logic conform to ZF specifications?
(see section 3.7.6 and section 3.7.7)
•
What is the voltage at the gearbox changeover
during the shift sequence?
