GROVE 7-31
CD3340B/YB4411 TRANSMISSION AND TORQUE CONVERTER
Published 04/07/2015 Control # 569-00
each time to align the bolts with the access hole.
Re-install access plate.
Installing without Alignment Tool (Optional)
If the torque converter alignment tool (A) is not available, the
following method should be used to replace the converter.
1. Assemble the drive plate and drive plate annulus (1,
Figure 7-23) to the torque converter using bolts (3),
finger tighten at this time.
2. Bolt drive plate to flywheel and check that run-out of
pump drive shaft (B) does not exceed maximum
permissible 0.38 mm (0.015 in). If incorrect, tap torque
converter by hand to reposition.
3. When correct, mark position of flywheel and drive plate,
then remove drive plate and annulus from flywheel.
4. Apply Loctite 243 to threads of bolts (3) and tighten to 40
Nm (30 lb-ft).
5. Fit torque converter/drive plate sub-assembly to
flywheel; align marks, then fit washers (4) and bolts (5).
Apply Loctite 243 to bolts (5) and tighten to 19Nm (14 lb-
ft).
NOTE: It is important to mount washers (4) with the outside
diameter radius against the drive plate (that is,
facing toward the flywheel).
When installing transmission to washers converter
assembly, ensure that the dogs on the converter oil
seal spigot engage with the recesses on the
transmission input. Take care not to damage the oil
seal.
Servicing the Transmission
NOTE: Special tools are required to service the
transmission. If the tools on pages 7-27 through 7-
29 are not available, DO NOT ATTEMPT to service
the transmission. The tools are available from your
distributor.
Removal
1. Remove complete power unit. See Engine and Engine
Systems, page 6-1.
2. Fasten engine to an engine stand.
3. Drain the transmission. See 1000 Hours Maintenance.
4. Using an overhead crane and chains to support the
weight of the transmission, remove the 12 bolts (2,
Figure 7-29) and lockwashers (3) that fasten the
transmission housing (1) to the engine flywheel housing.
Remove the transmission and torque converter
assembly and place in a clean, work area where the
torque converter can be removed. It is recommended
that the transmission be mounted in a service fixture.
Transmission Gearbox Repair
Figure 7-30 shows all the components which are referred to
in the disassembly/assembly procedures. Item numbers
correspond with numbers in the instructions and following
illustrations. Depending on transmission, some of the items
shown may not be installed (e.g. 5, 7, and 38.)
Safety
CAUTION
The transmission weighs approximately 220kg (484 lb)
dry. Use adequate hoist and chains. Personal injury could
occur from improperly supported transmission.
WARNING
DO NOT BURN FLUOROELASTOMERIC MATERIALS!
If contamination of skin or eyes occurs, wash the affected
area with a continuos supply of clean water or with
calcium hydroxide solution for 15 - 60 minutes. Get
medical attention immediately.
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