7-24 4181383 First Edition
STEERING
7
Rear Axle
Removal and Installation
See Figures 7-26 and 7-27.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-5.)
2. Remove the rear motors. (See “Rear Wheel Motor”
on page 5-39.)
Figure 7-26
NOTE
• Label all hydraulic hoses and record their locations to
ensure correct installation.
• Plug hydraulic hoses after disconnecting to prevent
loss of hydraulic oil.
3. Disconnect hydraulic hoses (2 and 3) from steering
cylinder (1).
Figure 7-27
4. Support the rear axle assembly using an appropriate
lifting device.
5. Remove cotter pin (8), two jam nuts (7), and flat
washer (6), and remove the axle assembly (4) and
spacer (10) from mower.
Installation Notes
• Install the rear axle assembly by reversing the order
of removal.
• Tighten steering arm-to-motor mount screws (11) to
90—100 lb-ft (122—136 N·m).
• Tighten tie rod castle nuts (12) to 30—35 lb-ft (41—
47 N·m). Adjust nuts as needed to align the slots with
the hole in the tie rod ends.
• Tighten steering cylinder castle nuts (13) to 80—110
lb-ft (108—149 N·m). Adjust nuts as needed to align
the slots with the hole in the rod ends.
• Always install new cotter pins (5).
• Apply grease to grease fittings (9).
• Check hydraulic oil level. Add oil as needed.
• Start the machine and check for hydraulic leaks and
cylinder operation. Repair as necessary.
• Check steering toe-in adjustment. (See “Tie Rod
Adjustment” on page 7-4.)
TN1422
2
3
1
TN1502
4
8
7
6
9
13
5
10
11
12
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