Lightly lubricate gasket (23) of replacement filter and tighten it until gasket contacts base; then tighten filter (22) an
additional one-half turn.
Do not overtighten filter.
Start APU engine (refer to TM 9-2350-256-10) and check for oil leaks around filter gasket (23). Tighten filter (22) as
necessary if leakage occurs.
Close right front engine grille door (21).
12. Service brake linkage shaft. Each time main engine is removed, lubricate with GAA through fitting (24).
13. Service brake linkage bell crank and pillow blocks. Each time main engine is removed, lubricate bell cranks through four
fittings (25) and lubricate pillow blocks through three fittings (26). Use GAA as lubricant.