TM-9-2320-361-24-2

2-1/2 TON, 6X6, M44A2 SERIES TRUCKS

TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 2 OF 2

AUGUST 2006
TM-9-2320-361-24-2

  TM-9-2320-361-24-2 - Page 284 of 1144

TM 9-2320-361-24-2
0265 00
0265 00-4
DISCHARGE VALVE REPAIR (Contd)
CLEANING AND INSPECTION
WARNING
Skysol 100 solvent is combustible; DO NOT use or store near
heat, sparks, flame, or other ignition sources. Use mechanical
ventilation whenever product is used in a confined space, heated
above ambient temperatures, or agitated. Keep container sealed
when not in use.
Contact with Skysol 100 may cause skin irritation. Use
chemical-resistant gloves. In case of skin contact, remove any
contaminated clothing and wash skin thoroughly with soap and
water. Wash contaminated clothing before reuse. Eye contact
may cause irritation, tearing, or blurring of vision. Use face
shield or goggles when eye contact may occur. In case of eye
contact, flush eyes with large amounts of water for at least 15
minutes or until irritation subsides. Inhalation may cause
irritation to upper respiratory passages. DO NOT have food or
drink in the vicinity. Failure to comply may result in injury to
personnel.
NOTE
• Perform step 1 for cleaning M49A2C fuel tank discharge
valves.
• Perform step 2 for cleaning M50A3 water tank discharge
valves.
1.
Wash all parts with Skysol 100 solvent and allow to air dry.
2.
Wash all parts with soap and hot water. Rinse all parts with hot water and dry using a clean,
soft rag.
Table 1. Discharge Valve Wear Limits.
3.
Inspect cam stem (7) for scoring or cracks and wear. Refer to table 1, Discharge Valve Wear Limits,
for measurements. Replace if damaged or worn past limits.
4.
Inspect strainer (2) for tears. Replace if damaged.
5.
Inspect valve housing (9) for cracks, stripped threads, scoring, or worn bores. Refer to table 1,
Discharge Valve Wear Limits, for measurements. Replace if damaged or worn past limits.
6.
Inspect cap (3) for wear or cracks at stem hole. Replace if damaged.
7.
Inspect holder (1) for wear or cracks at tapered stem hole. Replace if damaged.
8.
Inspect retainer (10) for cracks or damaged threads. Replace if damaged.
ITEM NO.
ITEM/POINT OF MEASUREMENT
WEAR LIMITS/TOLERANCE
INCHES
MILLIMETERS
4
7
9
Spring (free length)
Cam stem:
Inside stem bore end diameter
Plug end diameter
Machined with square
Discharge valve housing:
Inside stem bore/inner diameter
Outer stem bore/inner diameter
5.0
0.422–0.437
0.644–0.648
0.497–0.500
0.433–0.443
0.651–0.661
127.0
10.72–11.10
16.36–16.46
11.00–12.70
10.99–11.25
16.53–16.79


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