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 TM 55-1905-223-24-3
b. Clean all adjusting device (20) parts to be reused before assembly.
c.
Assemble the adjusting device (20) parts as follows:
(1) Install the bearing (16), the spacer (15) and the retaining ring (14) on to the idler shaft (17).
(2) Install the groove pulley (18) and plug (19).
d. Disassemble and replace the engine pump cooling system (7) components as follows:
(1) Remove the machine thread plug (28) and the water pump pulley (29).
(2) Remove the retaining ring (30), the annular ball bearing (31), the spacer (32), and the annular ball
bearing (33) from the shouldered shaft (34).
(3) Remove the impeller (8), packing with retainer (9), and shaft (33) from the body (10). Remove the
impeller (8), retainer (9), and packing (9) from the shaft (34). Discard packing.
e. Clean all parts to be reused before assembly.
f.
Assemble the shaft (34) components as follows:
(1) Install on the shaft (34), new packing with retainer (9) and the impeller (8). Install into the body
(10).
(2) Install bearing (33), spacer (32), and bearing (31) onto the shaft (34). Install the retaining ring (30).
(3) Install the pulley (29) onto the shaft (34) and secure with plug (28).
REPLACEMENT
a. Ensure gasket surfaces are clean on the body (10, Figure 2-14) and engine.
b. Use new gasket (6) and install the water pump (7) to the engine with capscrews (26, 27). Use new
gasket (1) and connect the engine water outlet (2) to the body (10) with screws (3). Do not tighten
screws until all have been installed.
c.
Tighten the capscrews (26, 27) in the sequence shown in Figure 2-16 to the following values.
(1) Tighten to 10 ft-lb (13.5 N ) torque.
m
(2) Tighten to 20 ft-lb (27.1 N ) torque.
m
(3) Tighten to 35 ft-lb (47.4 N ) torque.
m
d. Install washer (5, Figure 2-14) and screw (4).
2-89
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