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 TM 55-1905-242-14
0089 00
DISASSEMBLY (continued)
5.
Scribe an index mark on the port plate (11) and starting motor housing (5). This mark will enable proper positioning of the
port plate (11) at assembly.
NOTE
There is a slight spring load on the port plate. Upon loosening the screws, any hydrau-
lic fluid left in the housing will drain out.
6.
Remove the port plate screws (12) and lockwashers (13) from the port plate (11), and remove the port plate.
7.
Invert the starting motor housing (5), allowing the barrel (14) and pistons (15) to slide off the drive shaft (10).
8.
Remove the pistons (15) from the barrel (14).
9.
Remove the retaining ring (16) from the drive shaft (10).
10. Press the drive shaft (10) out of the starting motor housing (5) from the port plate (11) end. The inner and outer seals (17
and 18), seal holder (19), retaining ring (20), and shaft ball bearing (21) will come out with the drive shaft.
11. Remove the inner seal (17), outer seal (18), and seal holder (19) from the drive shaft (10).
12. Remove the retaining ring (20) and shaft ball bearing (21) from the drive shaft (10).
13. Press against the thrust bearing housing (22) with a little pressure and remove the thrust bearing assembly.
14. Remove the thrust bearing plate (23).
15. Press out the thrust bearing (24) only if it is damaged or defective.
16. Remove the dowel pin (25), washer (26), spring (27), and washer (28) from the barrel (14).
17. Remove the adapter fittings (29) and O-rings (30) from the port plate (11).
18. Remove the retaining ring (31) and roller bearing (32) from the port plate (11).
19. Press the needle bearing (33) from the pinion gear housing (8).
20. Remove the screws (34) and nameplate (35).
CLEANING
1.
If not already on, don chemical protective gloves and goggles.
2.
Clean all metal parts thoroughly with cleaning solvent.
3.
Dry parts thoroughly with clean wiping rags, or allow them to air dry.
INSPECTION
1.
Replace any worn or defective parts found during the inspection.
2.
Visually inspect the pinion gear housing (8) for cracks or other damage. Examine the needle bearing (33) for damage or
wear.
3.
Examine the drive assembly pinion gear (9) to be sure that the teeth are not worn excessively or chipped from interference
with the ring gear. Check to ensure that the compressing spring (36) is not damaged or broken.
0089 00-3
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