TM 9-2590-506-13&P
5-19. INTERNAL VALVE MAINTENANCE INSTRUCTIONS
This task covers:
a. Removal
e. Repair
b. Disassembly
f. Assembly
c. Cleaning
g. Testing
d. Inspection
h. Installation
INITIAL SETUP
Tools, Special Tools and Test Equipment
Materials/Parts
Test Fixture, F65- 0-4271
Plug, pipe, 1/4 inch NPT (1 required)
Fixed Open End Wrench, 5/8-inch
Gasket, Housing to Extension
Socket Handscrew Key, 5/16-inch
Screw, Socket Head, MS16995-8L (4
required)
Socket Handscrew Key, 1/4-inch
Personnel Required
Socket Handscrew Key, 3/16-inch
Two
Fixed Open End Wrench, 7/1 6-inch
Condition Description
No. 2 Cross Tip Adapter, 1/4-inch drive
None
Cross Tip Screwdriver, No. 2
Special Environmental Conditions
Torque Wrench, I/4-inch drive, 160
pound-inches
None
Convertible Retaining Ring Pliers,
Waldes Truarc, No. 1120
Drive Pin Punch, 1/8 inch
a. Removal.
(1) Unscrew nuts and sleeves (1) and pull
tubes (2) away from male elbows (9).
TA255037
5-28