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TM 9-2350-287-20-2
Move right projectile rack assembly from against front wall of cargo compartment (refer to TM 9-2350-287-10). Close
ball valve (42). Remove APU plenum (para 18-17). Disconnect hose assembly (45) from elbow (44) on bottom of APU
hydraulic pump (43). Place end of hose assembly (45) in 15-gallon container. Open ball valve (42) and drain hydraulic
reservoir. Close ball valve (42). Remove 14 screws (37), Iockwashers (38), and washers (39) securing reservoir cover
(40) to reservoir. Remove reservoir cover.
WARNING
Drycleaning solvent P-D-680 is toxic and flammable. Always wear protective goggles and gloves, and
use only in a well-ventilated area. Avoid contact with skin, eyes, and clothes, and DO NOT breathe
vapors. DO NOT use near open flame or excsssive heat.
Use a clean, lint-free rag to wipe residual hydraulic fluid from reservoir. Remove suction strainer (41) from inside
reservoir. Use a clean, lint-free cloth and drycleaning solvent to clean suction strainer (41) and inner reservoir
surfaces. Allow parts to dry and install suction strainer (41). While monitoring fluid level, add OHT until fluid rises to
correct level. Install reservoir cover (40) with 14 washers (39), Iockwashers (38), and screws (37). Connect hose
assembly (45) to elbow (44) on bottom of APU hydraulic pump (43). Open ball valve (42).
CAUTION
To prevent serious damage to hydraulic components and resulting system failure, make sure ball
valve is opened before operating system.
Install right projectile rack assembly against front wall of cargo compartment (refer to TM 9-2350-287-10).
15. HYDRAULIC RESERVOIR FLUID LEVEL CHECK.
CAUTION
Take necessary precautions to prevent entry of contaminants into the hydraulic system.
Turn MASTER switch ON (refer to TM 9-2350-287-10). Check fluid level gage (47), located on hydraulic control panel.
Gage pointer should read within green range on gage. If fluid level is low, open center top loading door (46) and remove
fill cap (48). While an assistant monitors fluid level on gage, add OHT until fluid level rises to full (“F”) mark on the gage.
G-19
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