ARMY TM 9-6115-464-34
AIR FORCE TO 35C2-3-445-2
NAVY NAVFAC P-8-624-34
(7) Inspect bushings for scores and excessive wear.
(8) Refer to the Operator and Unit Maintenance Manual and test thermostat.
(9) Replace any damaged or defective parts.
d. Assembly.
(1) Position flange (32, figure 3-26) to install manual control are (31), flat washer (30), screw (29),
spring (28) and nut (27).
(2) Install washers (26, 25, and 24) onto actuator pin, spring (23), and retainer (22).
(3) Install actuator pin (21), with assembled parts, and retaining ring (20).
(4) Install bushings (19), lever (18), shaft (17), and retaining rings (16)
(5) Install bushings (15).
(6) If removed, install shaft (14), cam (13), setscrews (12). Position shaft assembly (11) and tighten
setscrews (10), and install retaining rings (9).
(7) Install new packing (8)
(8) Install piston (7), nut (6), thermostat (5), new gasket (4), onto housing (3), with Iockwashers (2) and
screws (1).
e. Installation. Refer to the Operator and Unit Maintenance Manual for shutter control installation
procedures.
3-29. RADIATOR.
a. Removal. Refer to the Operator and Unit Maintenance Manual for radiator removal procedures.
b. Cleaning, lnspection, and Repair.
WARNING
Always wear protective glasses when using compressed air to clean radiator air
passages. Injury to the eyes may result from failure to observe this warning. Failure to
observe this warning could result in servere personal injury.
(1) Clean foreign particles from radiator core air passages with filtered compressed air.
(2) Clean exterior surface of radiator with dry cleaning solvent (Federal Specification P-D-680).
(3) Visually inspect radiator for excessive corrosion, cracked or broken brazing, and bent cooling fan.
(4) Check interior of radiator for rust and scale deposits.
(5) Test radiator for leaks as follows:
(a) Provide an air line fitting at one of the radiator openings. Seal all other openings.
(b) Attach an air line to the fitting and submerge the radiator in a container of water.
(c) Pressurize the radiator to 10 to 15 psig and check for air bubbles which will indicate leakage.
(6) Repair radiator as follows:
(a) Straighten bent cooling fins.
(b) Remove light corrosion with number 00 grit abrasive paper.
(c) Repair leaks and cracked or broken brazing by brazing or soldering.
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