GENERAL MAINTENANCE INSTRUCTIONS -- CONTINUED
GENERAL REPAIR -- CONTINUED
Gears and Shafts -- Continued
Replace all gears and shafts having worn, galled, nicked, burred, or pitted teeth and splines. Remove any sharp
fins and burrs from splines with crocus cloth dipped in dry--cleaning solvent (item 5, WP 0100 00).
Replace all splined gears and shafts that are damaged to the point of impairing assembly or operation. Replace all
gears and shafts having splines which do not match properly with mating splines.
Bushings, Liners, and Bushing--type Bearings.
When bushings, liners, and bushing--type bearings are damaged or worn beyond specified limits, generally the
associated parts with which they are used must be replaced. Reference to WP 0012 00 will be made in the repair
section for the particular part when replacement of bushings, liners, and bushing--type bearings is required.
Removal Drill out bearing retaining pins used to secure bearings in castings or retaining cages when applicable.
Installation Align bushing, liner, or bushing--type bearing in casting or retaining cage. Press into place with a suit-
able pressing arbor.
Select proper drill size for installation of bearing retaining pins. Drill through bearing and into casting or retaining
cage to the proper depth so that the pin will be flush with the bearing surface after installation. Drive retaining pin
through bearing and into casting or retaining cage. Cut off any portion of the pin that extends above bearing.
Ream or burnish bushing, liner, or bushing--type bearing to size specified in appropriate repair standards table.
Clean repaired parts thoroughly before assembly or installation.
Replace all oil seals at engine repair.
Removal Press or pry oil seal from casting or adapter.
Repair When oil seal bore in casting or adapter is burred or damaged to a point where an oil--tight seal is impossi-
ble, repair or replace casting or adapter. Remove slight nicks, burrs, and scratches from oil seal bore in casting or
adapter with crocus cloth dipped in dry--cleaning solvent (item 5, WP 0100 00).
Installation Install new oil seal in bore of casting or adapter.