Textron Jacobsen HR-5111 - Page 220

5-56 4203780 First Edition
HYDROSTATIC POWER TRAIN
5
Figure 5-54
5. Remove dust cover (7), diagnostic port adapter (8),
and 90° adapter (9) from port “CD.”
6. Remove 45° adapter (10) from port “F.”
7. Remove 90° adapter (11) from port “T.”
8. Remove 90° adapter (13) from port “4WD.”
9. Remove 90° adapter (14) from port “DL.”
10. Remove dust cover (17), diagnostic port adapter
(16), and 90° adapter (15) from port “SD.”
11. Remove charge pressure switch (18) from control
valve (12).
NOTE
Record the location of the all cartridges before removing
to ensure correct installation.
12. Remove plug (19) and charge pressure relief valve
(21) from the control valve block (25).
13. Remove O-rings (20, 22, and 24) and backup ring
(23) from charge pressure relief valve (21).
14. Remove priority valve (30) from the control valve
block (25).
15. Remove O-rings (26, 28, and 29) and backup rings
(27) from priority valve (30).
16. Remove nut (35) and solenoid coil (34) from 4WD
valve (33).
17. Remove 4WD valve (33) from the control valve (25).
18. Remove O-rings (31 and 32) and backup rings (36)
from 4WD valve (33).
19. Remove nut (42) and solenoid coil (41) from
differential lock valve (40).
20. Remove differential lock valve (40) from the control
valve (25).
21. Remove O-rings (37 and 39) and backup rings (38)
from differential lock valve (40).
NOTICE
22. Clean all parts using clean solvent, and dry using
compressed air.
23. Inspect all parts for wear or damage. Replace parts
as needed.
PT1975
TN1975
19
26
24
25
20
21
22
23
31
36
32
33
27
30
28
29
34
35
37
38
39
40
41
42
• It is important that all component parts are
absolutely clean, as contamination can result
in serious damage and/or improper operation.
• Never use shop towels or rags to dry parts
after cleaning, as lint may clog passages. Dry
parts using compressed air.