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 - Page 360 of 1144
TM 9-2320-361-24-2
0290 00
0290 00-2
WATER TANK DISCHARGE VALVE CONTROL LEVERS MAINTENANCE (M50A3) (Contd)
CONTROL LEVERS DISASSEMBLY
CAUTION
Do not strike levers or brackets during lever shaft removal.
Striking levers or brackets may result in damage to
components.
1.
Remove three screws (14) and lockwashers (15) from brackets (16), (20), and (24). Discard
lockwashers (15).
NOTE
Prior to removal, tag all component locations for assembly.
2.
Remove lever shaft (21) from bracket (24), lever (25), bracket (20), lever (5), and bracket (16).
Remove levers (5) and (25).
3.
Remove three screws (1), lockwashers (2), and spacer bar (3) from brackets (16), (20), and (24).
Discard lockwashers (2).
4.
Remove spacers (18) and (22) from bushings (17), (19), and (23).
LEVER DISASSEMBLY
1.
Remove cotter pin (7), straight pin (4) and control handle (6) from lever (5).
2.
Remove straight pin (8), connecting links (9) and (12), from lever (5).
3.
Remove shoulder screw (13), spring (10), and lock release lever (11) from lever (5).
CLEANING AND INSPECTION
1.
Refer to WP 0021 00 for general cleaning and inspection instructions.
2.
Refer to table 1 for lever assembly area limits.
Table 1. M50A3 Water Tank Discharge Valve Control Levers Wear Limits.
3.
Inspect spacers (18) and (22) for flat spots or wear. Refer to table 1 for measurements. Replace
spacers (18) and (22) if not within wear limits.
4.
Inspect bushings (17), (19), and (23) for grooves or wear. Refer to table 1 for measurements.
Replace bushings (17), (19), and (23) if not within wear limits.
5.
Inspect brackets (16), (20), and (24) for cracks or damage. Replace brackets (16), (20), and (24) if
cracked or damaged.
NOTE
Perform steps 6 through 8 if bushings or brackets are damaged
or not within wear limits.
6.
Press bushings (17), (19), and (23) from brackets (16), (20), and (24). Discard bushings (17), (19),
and (23).
7.
Install new bushings (17) and (23) in brackets (16) and (24) with press until bushings (17) and (23)
ends are flush with brackets (16) and (24).
ITEM NO.
ITEM/POINT OF MEASUREMENT
WEAR LIMITS/TOLERANCES
INCHES
MILLIMETERS
21
Lever shaft (diameter)
0.860–0.885 in.
21.84–22.48 mm
5 and 25
Levers (inner diameter at shaft hole)
0.868–0.992 in.
22.05–23.42 mm
17, 19, and 23
Bushings (outer diameter)
0.436–0.438 in.
11.07–11.13 mm
18 and 22
Spacers (inner diameter)
0.440–0.444 in.
11.18–11.28 mm
18 and 22
Spacers (outer diameter)
0.720–0.780 in.
18.29–19.81 mm
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