Parts Inspection And Replacement; Figure 5-10. Servo And Link Disassembly - Woodward 3161 Governor Installation And Operation Manual

3161 Governor

Figure 5-10. Servo and Link Disassembly

19. Remove two screws (1), cover plate (35) and stop screws (34).
20. Remove needle valve (127) and air bleed plug (129).
Do not remove oilite bearings unless replacement is necessary.
Cleaning
Wear approved eye protection during disassembly, cleaning, and
assembly of parts to prevent possible eye injury.
Parts with sharp corners and smooth finishes must be cleaned separately with
solvent and a brush to avoid nicks and scratches. Other parts may be cleaned by
agitation or in an ultrasonic cleaner.
Parts may be dried with clean, lint free wipes, or blown dry with clean dry air.
Parts that have sharp corners and have been machined to a close tolerance,
must be handled carefully to prevent damage caused by contact with other parts
or objects.

Parts Inspection and Replacement

General
1. Inspect all moving parts for wear, corrosion, nicks, cracks, or other damage.
Mating or rubbing surfaces must be examined closely for wear and scored
surfaces.
2. Needle bearings, ball bearings and oilite bearings must not be degreased.
Replace drive shaft bearing after 20,000 hours of operation.
20
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Manual 03101
Woodward