Textron Jacobsen SLF530, Руководство по ремонту

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7-14 673831-Rev A
STEERING
7

CAUTION
NOTES
• Before attempting repairs or disassembly of any
hydraulic components, thoroughly clean the
components and work area. A clean work area is
essential to satisfactory operation of repaired
hydraulic components.
• Utilize steering unit service fixture for disassembly.
(See “Steering Unit Service Fixture” on page 7-12.)
1. Scribe a line from port “P” to bottom of steering unit.
This line can be used to determine port “P” with end
cover removed and for proper orientation of sections
for assembly.
2. Remove three special screws (1), two special screws
(2), and five O-rings (3).
3. Remove end cover (4) by sliding it off to the side.
4. Remove cardan shaft spacer (5).
5. Hold a hand under the gearwheel rim ( 8 ) and
gearwheel (7) to keep the gearwheel from falling out,
and remove the gearwheel rim (
8 ), gearwheel (7),
and two O-rings (6).
6. Remove cardan shaft (10).
7. Remove distributor plate (9).
8 . Remove O-ring (11) from housing (24).
9. Remove spool assembly.
10. Remove thick bearing race (17), bearing (1 8 ), and
thin bearing race (19).
11. Remove shaft seal (20).
12. Remove spring retaining ring (15).
13. Carefully press cross pin (13) out of the spool (16)
and sleeve (12), and remove spool from sleeve.
14. Press spring set (14) out of spool (16).
15. Remove fixture from vise and shake out check valve
ball (21), emergency steering ball (23), and ball stop
(22). Re-secure service fixture in vise with input shaft
down.
16. Remove housing (24) from service fixture.
17. Remove steering relief valve (26) and steering relief
valve spring (27).
Figure 7-21
Wear eye protection when assembling and
disassembling the steering unit. Springs and
other objects may be propelled into the air,
causing eye injury.
R
L
P
T
S cri b e line
a ligned with
port “ P ” .
S pool
A ss em b ly
S tep s 1- 3 S tep s 4-5
S tep s 6- 8 S tep s 9-11
S tep s 12-14 S tep s 15
Incl u ded in S e a l Kit
1
2
3
4
5
6
7
8
9
10
11
12
1 3
14
15
16
17
18
19
20
21
22
2 3
24
24
24
24
26
27
TN4340