TM 5-3805-254-34
6-32. LOW TRIMMER VALVE REPAIR.
This Task Covers:
a.
Disassembly
c.
Assembly
b.
Cleaning and Inspection
Initial Setup:
Equipment Conditions:
Materials/Parts:
• Low trimmer valve removed (see paragraph 6-12).
• Hydraulic fluid (Item 7, Appendix B)
Tools/Test Equipment:
• Dry cleaning solvent (Item 23, Appendix B)
• General mechanic's tool kit
• One spring pin
• Field automotive shop set
General Safety Instructions:
• Dry cleaning solvent is flammable and must not be used near open flame. Use only in a well-ventilated area.
• Compressed air used for cleaning or drying purposes, or for clearing restrictions, should never exceed 30 psi
(207 kPa).
a.
DISASSEMBLY
1.
Press Inward on plug (8) and remove spring pin
(2). Discard spring pin.
2.
Release pressure and remove plug (8), valve
stop (7), secondary spring (6), primary spring
(5), plug (4), and low trimmer valve (3) from low
trimmer valve body (1).
b.
CLEANING AND INSPECTION I
WARNING
Dry cleaning solvent, P-D-680, 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
1000F-1380F (380C-590C). 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.
1.
Clean metal parts with dry cleaning solvent.
TA703864
6-147
