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TM 10-3930-659-20
7-8.
TRANSMISSION HYDRAULIC HOSES AND FITTINGS REPLACEMENT.
This task covers:
a.
Removal
b.
Installation
INITIAL SETUP:
Equipment Conditions:
Materials/Parts:
•
Parking brake set (see TM 10-3930-659-10).
•
Rags (Item 27, Appendix C)
•
Transmission drained (see paragraph 7-19).
•
Four preformed packings
•
Right side cab skirt removed (see paragraph 14-6).
•
Right and left transmission side guards removed
(see paragraph 14-7)
References:
•
TM 10-3930659-10
Tools/Test Equipment:
•
General mechanic's tool kit (Item 44, Appendix F)
NOTE
•
Six hydraulic hoses and fittings from transmission control valve ports-to-clutch pack ports
are removed and Installed the same way. One hydraulic hose Is illustrated.
•
Transmission control valve ports and clutch pack ports are marked to aid during Installation.
•
A suitable container should be used to catch any draining hydraulic fluid. Ensure that all
spills are properly cleaned.
a.
REMOVALI
1.
Remove hydraulic hose (1) and two preformed packings (2) from adapters (3 and 7). Discard preformed
2.
Remove adapter (3) and preformed packing (4) from transmission control valve port (5). Discard preformed
3.
Remove adapter (7) and preformed packing (6) from clutch pack port (8). Discard preformed packing.
b.
INSTALLATION
1.
Install new preformed packing (6) and adapter (7) in clutch pack port (8).
2.
Install new preformed packing (4) and adapter (3) in transmission control valve port (5).
3.
Install two new preformed packings (2) and hydraulic hose (1) on two adapters (3 and 7).
7-22
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