GROVE 7-29
CD3340B/YB4411 TRANSMISSION AND TORQUE CONVERTER
Published 04/07/2015 Control # 569-00
Servicing the Torque Converter
Removal
1. Remove complete power unit. See Sections 6 and 6A.
2. Fasten engine to an engine stand.
3. Using an overhead crane and chains to support the
weight of the transmission, remove the twelve
capscrews (2, Figure 7-22) and lockwashers (3)
securing the transmission to the engine flywheel
housing.
4. Remove the transmission (1) and place it in a clean work
area where the torque converter can be removed. It is
recommended that the transmission be mounted in a
service fixture.
5. The torque converter assembly (4) is fastened to the
engine flywheel (11) through a drive plate (7). Remove
the six drive plate mounting screws (6) to remove the
torque converter and drive plate.
6. Remove the six bolts (10) and lockwashers (9) securing
torque converter (5) to drive plate (7) and remove the
drive plate and its reinforcement (8).
7. Replace the complete torque converter. The parts are
not serviced separately. Replace drive plate if there is
distortion or damage.
NOTE: It is recommended that the torque converter be
replaced any time system contamination occurs. It
is not possible to completely clean the torque
converter by flushing to remove the contamination.
Replacement of the complete assembly is
necessary to prevent early failure of other
components in the system.
CAUTION
The transmission weighs approximately 220 kg (484 lb)
dry. Use adequate hoist and chains. Personal injury could
occur from improperly supported transmission.
FIGURE 7-22
A0257
Item Description
1. Transmission
2. Hex Bolt (12)
3. Lockwasher (12)
4. Drive Plate Kit
5. Torque Converter
6. Screw (6)
7. Drive Plate
8. Reinforcement
9. Lockwasher
10. Bolt (6)
11. Engine
Reference Only
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