TM 10-3835-223-13&P
SEQUENCE VALVE REPAIR.
This task consists of:
a. Disassembly
d. Repair
b. Cleaning
e. Assembly
c. Inspection
f. Adjustment
INITIAL SET-UP:
Tools required:
Tool Kit, General Mechanics, Automotive (Appendix B, Section III, Item 1)
Wrench, Torque (Appendix B, Section III, Item 3)
Material Required:
Solvent, Dry Cleaning (Appendix E, Section II, Item 5)
Equipment Condition:
Sequence valve removed from power pack (para. 4-16)
NOTE
Repair of the sequence valve is limited to replacement and adjustment of the
cartridge valve.
a.
Disassembly.
(1)
Record number of exposed threads on cartridge valve adjustment stem (4).
(2)
Remove cartridge valve (2) from valve body (1). Make sure all o-rings are removed with
valve.
b.
Cleaning.
(1)
Clean cartridge valve (2) with cleaning solvent and a soft bristle brush.
(2)
Clean valve body (1) and internal ports with cleaning solvent and a soft bristle brush.
c.
Inspection.
(1)
Inspect cartridge valve (2) for missing,, cracked, or deformed o-rings. Check for deformed
or damaged back up rings (white teflon). Inspect for clogged valve passages.
(2)
Inspect valve body (1) for cracks, stripped port threads and clogged passages.
5-6
