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TM 10-3930-664-24
3-47. ORBITAL STEERING VALVE REPAIR
This task covers: Disassembly, Cleaning, Inspection, Repair, and Assembly
INITIAL SETUP:
Tools and Test Equipment:
Equipment Condition:
General Mechanics Tool Kit (1, App. E)
Orbital steering valve removed
Vise (30, App. E)
(para. 2-120)
Retaining Ring Pliers (24, App. E)
Torque Wrench (32, App. E)
Torque Wrench (34, App. E)
Soft Headed Hammer (23, App. E)
Materials / Parts:
Seal, Item 5 (1 ea.)
Seal, Item 7 (1 ea.)
Seal, Item 10 (1 ea.)
Seal, Quad Ring, Item 17 (1 ea.)
Seal, Item 21 (1 ea.)
Retaining Ring, Item 14 (1 ea.)
Screw, 1/8"-24, machine, 1-1/2 in. long (1 ea.)
A. DISASSEMBLY
CAUTION
Use care when clamping valve in vise.
Housing distortion could result if jaws
are
overtightened.
Use
protective
material
on
vise
jaws
to
prevent
damage.
1.
Install valve in vise, meter end up.
2.
Remove seven cap screws (1) and seal washers
(2) from end cap (3).
3.
Remove end cap (3) from valve housing (4).
Remove and discard seal (5).
4.
Separate drive spacer (7) and meter (6) from
housing (4). Ensure star remains with meter.
Remove and discard seal (8).
3-149
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