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 TM 55-1930-208-24
3-51. SPEED REDUCER - Continued.
c. Cleaning.
WARNING
Do not breathe cleaning solvent P-D-680 vapors for long periods of time or use
solvent near open flames. To avoid illness, explosion, or fire, only use solvent
in well-ventilated areas away from open flames.
(1) Clean all parts with cleaning solvent (item 4, Appendix C).
(2) Allow all parts to dry.
(3) Remove gasket material from all surfaces.
d. Inspection.
(1) Inspect all bearings for pitting or scoring. Replace a damaged bearing.
(2) Inspect all gears for chipped or missing teeth. Replace a damaged gear.
(3) Inspect all covers for cracks or signs of damage. Replace a damaged cover.
e. Repair. Repair is limited to replacing damaged parts.
f. Reassembly.
WARNING
Wear asbestos gloves to avoid serious burns when handling heated parts.
(1) Refer to figure 3-104 and install key (13) and spacer (12) on shatf (14).
(2) Preheat bevel pinion (11) in an oil bath or an oven to a maximum of 375 (191 ), press bevel pinion
F
C
(11) onto shaft (14).
(3) Preheat bearings (10 and 9) in an oil bath or an oven to a maximum of 275 (135 ), press bearings (10
F
C
and 9) onto shaft (14).
(4) Install assembled intermediate shaft in housing.
(5) Install keys (7 and 6), seal ring (5), and spacer (3) on shaft (8).
(6) Preheat gear (4) in an oil bath or an oven to a maximum of 375 (191 ), press gear (4) on shaft (8).
F
C
3-176
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