TM 5-3805-254-34
6-33.
LOW SHIFT VALVE REPAIR (Con’t).
2.
Inspect metal parts for cracks, scratches, wear, and other damage. Replace if damaged.
WARNING
Dry cleaning solvent, PD680, Is toxic and flammable. Always wear protective goggles and gloves,
and use only In a well ventilated area. Avoid contact with skin, eyes, and clothes, and DO NOT
breathe vapors. DO NOT use near open flame or excessive heat. The solvent’s flash point Is
100°F138°F (38°C590C). If you become dizzy while using cleaning solvent, Immediately get fresh
air and medical help. If solvent contacts eyes, Immediately wash your eyes and get medical aid.
3.
Inspect oil passages in low shift valve body to ensure that they are clean. If necessary, work soft wire through oil
passages to remove foreign matter. Flush with dry cleaning solvent.
WARNING
Compressed air used for cleaning or drying purposes, or for clearing restrictions, should never
exceed 30 psi (207 kPa). Wear protective clothing (goggles/shield, gloves, etc.) and use caution to
avoid Injury to personnel.
4.
Dry oil passages In low shift valve body with compressed air.
c.
ASSEMBLY
1.
Apply thin coat of hydraulic fluid to surface of
metal parts.
2.
Install low shift valve (12), spring (11), valve stop
(10), washer (9), and adjusting ring (8).
3.
Aline marks on adjusting ring (8) and low shift
valve body (1) and Install pin (3).
4.
Install relay valve (4), spring (5), valve stop (6),
and plug (7).
5.
Press inward on plug (7) and install pin (2).
FOLLOW-ON TASKS:
• Install low shift valve (see paragraph 6-13).
TA703867
6-150
