APU: REMOVAL AND INSTALLATION (CONTINUED)
c
D
E
F
G
H
I
J
K
Remove two screws (1), two lockwashers (2) and two flat
L
washers (3) from air-intake plenum (4). Discard lockwashers.
Remove one hose clamp (5) securing hose to air cleaner hous-
M
ing (6).
Loosen plenum box generator hose clamp (7) and remove
N
plenum (4) and attached air cleaner intake hose.
Disconnect electrical wiring harness connectors (8 and 9) from
APU compartment-wall connections.
O
Disconnect two hydraulic pressure switch electrical connec-
tors (10).
P
Close hydraulic reservoir ball valve (p 16-3).
Disconnect hydraulic pump outlet hose coupling (11) from
elbow (12). Allow hose to drain into suitable container.
Disconnect hydraulic pressure line (13) from hydraulic T-
connection (14). Allow hose to drain into suitable container.
Disconnect hydraulic pump inlet hose coupling (15) from
Q
elbow (16). Allow hose to drain into suitable container.
Place hose through APU support stand (17) and allow hose to
lie straight against forward APU compartment bulkhead.
Disconnect ground lead (18) at bulkhead by removing screw
(19) and two lockwashers (20). Discard lockwashers.
Remove clamp (21) and tube assembly (22) from exhaust
outlet. Remove and discard gasket (hidden). Push tube in up-
ward position for clearance.
Disconnect secondary filter outlet line (23) at quick-disconnect
fitting (24).
Disconnect fuel return line (25) at quick-disconnect coupling
(26).
NOTE
Pull fuel return line through opening and let hang
inside vehicle. Also pull fuel filter drain hoses
through APU support stand and allow to hang
out of APU doorway.
Remove six screws (27), six lockwashers (28) and six flat
washers (29) securing support stand (17) to APU compartment
floor. Discard lockwashers.
TA313057
13-3
Change 1
TM 9-2350-267-20
