TM 5-4320-300-14
6-4. BLOWER ASSEMBLY (CONT)
Location/item
Action
Remarks
CLEANING
WARNING
Dry cleaning solvent is flammable and potentially dangerous to people and property. Do not use
near open flame, sparks, excessive heat, or on hot surfaces. Flash point of P-D-680 solvent is 100°
to 138OF (380 to 590C). Use solvent in a well-ventilated area, and avoid inhaling fumes. If
repeatedly exposed to fumes, seek fresh air and immediate medical help. Avoid prolonged
exposure of skin to solvent. Wash exposed skin immediately and thoroughly.
Compressed air used for cleaning shall not exceed 100 psi (690 kPa). Use goggles or face shield
for eye protection. Do not direct airstream against skin.
9.
All parts
Clean with P-D-680 dry cleaning solvent and dry with compressed air.
INSPECTION/REPAIR I
10.
Front and
Ensure plugs are in place. Inspect inside surfaces for roughness and scoring.
rear plates
Remove slight scoring with fine grit P-C-1673 emery cloth. Inspect
bearing surfaces and oil seal contact surfaces for scoring, wear, or nicks. Replace badly worn or
scored plates.
11.
Housing
Inspect surfaces for burrs and scratches. Remove
assembly
burrs or scratches with an oil stone. Remove any remaining gasket material.
12.
Rotor
Inspect surfaces for burrs and scratches. Inspect
assemblies
shafts for burrs and worn splines. Remove burrs with an oil stone.
Inspect shaft oil seal and bearing contact areas. If contact area is slightly worn, install an oil seal
sleeve on shaft and an oversize oil seal in front or rear plate, as needed. If oil seal or bearing
contact surface on shaft is excessively worn, replace rotor assembly.
13.
Blower drive
Inspect for excessive wear and damage. Replace gears if necessary.
6-8
