Textron JACOBSEN R-311 69166, Technical/Repair Manual

Page: 318 / 402

STEERING
4203781 First Edition 7-9
7
Steering Unit
Removal and Installation
See Figures 7-13 and 7-14.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Remove the steering tower cover. (See “Steering
Tower Cover” on page 7-8.)
NOTE
If available, use a portable hydraulic filtering unit to
remove the hydraulic oil from the hydraulic tank. Place
the filtering unit suction hose in the tank, and pump the
oil into a clean and sealable container.
3. Using the tilt lever, tilt the steering column rearward.
Figure 7-13
NOTES
• Label all hydraulic hoses and record their locations to
ensure correct installation.
• Plug hydraulic hoses after disconnecting to prevent
loss of hydraulic oil.
4. Disconnect hydraulic hose (1) from steering unit port
“R.”
5. Disconnect hydraulic hose (2) from steering unit port
“L.”
6. Disconnect hydraulic hose (3) from steering unit port
“T.”
7. Disconnect hydraulic hose (4) from steering unit port
“P.”
Figure 7-14
8. Using the tilt lever, tilt the steering column forward.
9. Disengage tilt cable (15).
10. Remove screw (16) and nut (17).
11. Remove nut (5) and gas spring (6).
12. Remove four screws (8) and lock washers (9).
13. Remove two screws (10) and lock washers (11).
14. Support steering column (7) and steering unit (12).
15. Remove four screws (13), four lock washers (14), and
steering unit (12).
Installation Notes
• Install the steering unit by reversing the order of
removal.
• Do not overtighten nut (5). The gas spring must be
able to pivot freely.
• Check hydraulic oil level. Add oil as needed.
• Start the machine and check for hydraulic leaks and
cylinder operation. Repair as necessary.
TN2184
1
3
4
2
TN2185
5
8
6
10
16
12
15
13 14
17
9
11
7