12-3. APU GEARCASE REPAIR (continued).
CLEANING, INSPECTION, AND REPAIR
Drycleaning solvent P-D-680 is toxic and flammable. Always wear protective goggles
and gloves, and use in a well-ventilated area. Avoid contact with skin; eyes, and
clothes, and DO NOT use near open flames or excessive heat.
Clean all parts with drycleaning solvent.
Inspect two gear sprockets (24) for worn, chipped, or cracked teeth. Replace if necessary.
Inspect bearings (refer to TM 9-214). Replace if necessary.
Inspect housing (27) for cracks or other damage. Repair or replace if necessary.
Inspect chain (21) for wear or other damage. Repair or replace if necessary.