TM 9-2320-260-34-2
16-27. CONTROL VALVE REPAIR (M816)
THIS TASK COVERS:
c. Assembly
a. Disassembly
b. Cleaning, Inspection, and Repair
INITIAL SETUP
MATERIALS/PARTS (Contd)
APPULIABI.E MODELS
Control valve parts kit -
M816
TOOLS
Lubricating oil (Appendix C, Item 21)
General mechanic's tool kit
REFERENCES (TM)
(Appendix B, Item 1)
TM 9-2320-260-20
MATERIALS/PARTS
TM 9-2320-260-34P-2
Control valve parts kit
EQUIPMENT CONDITION
Control valve removed (TM 9-2320-260-20).
a. Disassembly
Control valve must be disassembled on a clean and protected work
surface. Failure to do so may result in damage to equipment.
NOTE
Clean control valve housing exterior before start of disassembly
(para. 2-8).
Tag location and position of spools and check valve caps for
installation.
1.
Remove four spool valve caps (11) from control valve housing (5).
2.
Remove C-clip (12), retainer (13), spring (14), washer (15), and retainer (16) from four spools (24)
and control valve housing (5).
3.
Remove four spools (24) from control valve housing (5).
4.
Remove four wipers (25), eight retainers (17), and packings (18) from control valve housing (5).
Discard packings (18).
5.
Remove seven check valve caps (8), springs (10), and check valves (9) from control valve housing (5).
6.
Remove three retainers (6) and packings (7) from seven check valve caps (8). Discard retainers (6)
and packings (7).
7.
Remove check valve cap (1) and valve (4) from control valve housing (5).
8.
Remove three retainers (3) and packings (2) from check valve cap (1). Discard retainers (3) and
packings (2).
9.
Remove plug (20) and retainer seat (19) from control valve housing (5). Discard plug (20) and
retainer seat (19).
10.
Remove adjuster body (23), spring (22), and poppet (21) from control valve housing (5). Discard
adjuster body (23), spring (22), and poppet (21).
b. Cleaning, Inspection, and Repair
1. For general cleaning instructions, refer to para 2-8.
2. For general inspection instructions,' refer to para. 2-9.
3. Inspect control valve housing (5) for cracks, breaks, and damaged threads. Repair or replace control
valve housing (5).
16-164
