Section 120-0010
3
SM 1574 12-98
Transmission - Transmission and Mounting
Note: It is important that the electrical connections are
removed in the order listed in step 4 to prevent
damage to the electrical components.
4. Disconnect battery equalizer ground connection
from the batteries. Disconnect battery cables from
terminal posts (ground cable first). Disconnect
battery equalizer positive connection. Disconnect
electrical connections at the ECU.
5. Using suitable lifting equipment, support
transmission guard and remove mounting hardware
securing the guard to the frame. Remove
transmission guard.
6. Disconnect driveline from input yoke (37) at the
front of transmission (1). Refer to Section 130-0010,
FRONT DRIVELINE.
7. Disconnect driveline from output yoke/flange (39) at
the rear of transmission (1). Refer to Section
130-0020, REAR DRIVELINE.
8. Place a suitable container under drain cock (40),
loosen drain cock and drain oil from transmission (1).
After draining, tighten drain cock (40) securely.
9. Disconnect the transmission retarder linkage at
transmission (1).
10. Place a suitable container under the steering tank
drain plug, remove drain plug and drain the oil from
the steering tank. After draining, reinstall drain plug.
11. Disconnect steering lines from the steering pump
and remove mounting hardware securing steering
lines to transmission (1). Cap all open line ends and
steering pump fittings to prevent entry of dirt.
12. Disconnect transmission oil cooler lines and oil
filter lines from transmission (1). Cap all open lines
and fittings to prevent entry of dirt.
13. Disconnect hydraulic line from lockup drop out
valve at the front right hand side of transmission (1).
14. Disconnect all remaining hydraulic lines attached
to transmission (1). Cap all open lines and fittings to
prevent entry of dirt.
15. Disconnect all electrical connections and cables
attached to transmission (1).
16. Remove mounting hardware securing accumulator
valve mounting bracket to the front left hand side of
transmission (1) and move bracket and valve clear of
the transmission (1).
17. Remove mounting hardware supporting mounting
brackets for body hoist lines to the top of
transmission (1).
18. Remove mounting hardware securing kick-over
valve mounting bracket to the top of transmission (1).
19. Slacken nut (20) and move nut (20) and nylon
tube (22) assembly free from connector (19) in the
top of transmission (1).
20. Detach clamps (15) and remove filler hose (16)
from filler tube (17) and adaptor (25).
21. Install suitable lifting eyes into the holes provided
at the top of transmission (1) housing and secure a
suitable lifting device to the eyes. Take up slack in the
chain or cable.
22. Remove locknuts (5), bolts (3) and washers (4)
securing trunnion (2) to the frame.
23. Remove bolts (6), hardened washers (7), snubbing
washers (43) and nuts (8) securing mounting brackets
(9) to frame.
24. Check to make certain that all hydraulic lines and
electrical connections fitted to transmission (1) have
been disconnected before moving transmission (1).
25. Carefully manoeuvre transmission (1) out of the
frame mounting and lower onto a suitable dolly or pallet.
26. Move transmission (1) assembly to a suitable
work area or onto a work stand for further
disassembly, if necessary.
DISASSEMBLY
Numbers in parentheses refer to Fig. 1.
Note: Refer to the transmission manufacturers
Service Manual if transmission service or repair is
required.
1. Remove bolts (32), strip (33), retainer (34) and
shims (35 & 36) securing input yoke (37) on
transmission (1). Pull input yoke (37) from
transmission (1).
2. Pull trunnion (2) assembly from transmission (1)
and remove ring (31) from trunnion (2), if required.