TM 9-1240-401-34&P
I
3-30. M118A2/M118A3 ELBOW TELESCOPE LEVEL ASSEMBLY LEAKAGE TEST
- continued
13
14
15
16
17
Remove level assembly (6) and fabricated leak test
adapter (7) from the container of clear water.
Release pressure from fabricated leak test adapter
(7) at inlet port (11).
Remove four wing nuts (9), four machine screws
(8), and level assembly (6) from fabricated leak test
adapter (7).
If air bubbles were detected, repair level assembly
(ref. para 3-18 for Ml 18A3; para 3-19 for
M118A2) and repeat the level assembly leakage
test.
If air bubbles were not detected, use a clean, dry
wiping rag to dry level assembly.
3-31. M118A2 ELBOW TELESCOPE COVER ASSEMBLY LEAKAGE TEST
I
ITIAL SET-UP
Tools and Special Tools
aterials/Parts
Nitrogen, technical (Item 8, appx B)
Adapter, leak test, fabricated (fig. C-1 appx
Wiping rag (Item 12, appx B)
c)
ment Condition
Purging kit (Item 22, appx F)
Ml 18A2/M1 18A3 elbow telescope removed
from howitzer (TM 9-2350-311-10)
Tool Kit, Electronic System, Repair, Field
Maintenance (SC5180-95-CL-B29)
Cover assembly removed,
5180–01-168-0487
M118A2 (ref. para 3-17)
1 Secure pressure regulator(1) to a tank containing
pressurized nitrogen.
If registered pressure is 100 psi (689.48 kPa)
or less, obtain a replacement.
2 Open nitrogen tank valve (2) and observe pressure
gage (3). Gage should indicate pressure in nitro-
gen tank.
3-54