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TM 5-4320-305-24
3-5.
REPLACE/REPAIR BEARING HOUSING ASSEMBLY (Continued)
4
Remove seal (5) and discard.
5
Remove retaining ring (6).
6
Remove retaining rings (7) and bearing (8).
7
Remove shaft (9).
8
Pull out bearing (10) through pump end with bearing puller.
CLEANING/INSPECTION:
WARNING
Dry cleaning solvent P-D-680 (safety or Stoddard's Solvent) is potentially
dangerous. Avoid repeated and prolonged breathing of vapors and skin
contact with the liquid. Do not use near open flame, arcing equipment, or
other ignition sources. Always wear eye protection and protective clothing.
The flash point of P-D-680 is 100° to 138 F (38 to 50 C).
Death or serious injury could occur if compressed air is directed against the
skin. Do not use compressed air for cleaning or drying unless the pressure
is/has been reduced to 30 psi (2.11 kgcm2) or less. When working with
compressed air always use chip guards, eye protection, and other personal
protective equipment.
1
Clean bearing housing assembly metal components with P-D-680 dry cleaning solvent and dry with compressed air.
2
Inspect bearing housing for cracks, rust, corrosion, or other damage. Inspect both engine and pump end mounting
surfaces. Make sure they are smooth and flat. Inspect for excessive wear around mounting holes and main bore.
Clean interior or mounting surfaces. Clean and refinish outside surface. If unit is severely damaged, cracked, or worn,
replace unit.
3
Inspect retaining rings for excessive wear, rust, corrosion, or other damage. Replace if worn or damaged.
CAUTION
Do not rotate bearings with compressed air.
4
Inspect bearings for rough or tight spots. Replace bearings if rough or tight. Inspect bearing exterior for rust, corrosion,
or other damage. Replace bearings if damaged.
5
Inspect shaft for excessive wear, rust, corrosion, or other damage. Replace shaft if damaged.
3-18
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