TM 9-2330-381-14
4-108. APU CONTROL BOX (CONT)
2.
Remove four thread-cutting screws (7) and lockwashers (8) and pull plate (9) away from housing (6). Discard
lockwashers.
3.
Remove push-pull throttle control assembly (10) as follows:
a. Loosen nut (11) on push-pull control assembly (10) sufficiently to separate and disconnect control assembly
(10) at ball and swivel.
b. Remove nut (12) and housing lock (13) and pull front portion of push-pull control assembly (10) from plate (9).
Retain lockwasher (14) and nut (15) on control assembly (10).
c.
Push back portion of control assembly (10) and throttle cable (16) out through opening in rear of housing (6).
4.
Tag and disconnect APU cable assembly (18) from rectifier (19) and regulator (20).
4.1
5.
Tag and disconnect APU cable assembly (18) from rotary switch (21) and glow plug indicator (22), if applicable.
6.
Remove two screws (23) and clamp half (24) and unscrew and remove nut (25) and bulkhead cable clamp (26).
7.
Remove two nuts (27), lockwashers (28), washers (29), screws (30), and regulator (20) from housing (6). Discard
lockwashers.
8.
Remove nut (31), lockwasher (32), washer (33), screw (34), and rectifier (19). Discard lockwasher.
8.1
Refer to paragraph 4-32 and remove control box jumper wires and timer harness.
8.2
If applicable, remove nut (42), lockwasher (43), washer (44), screw (45), and glow plug timer (46).
9.
Remove setscrew (35), knob (36), rubber seal (37), washer (38), nut (39), and rotary switch (21) from plate (9).
Discard rubber seal.
10.
If applicable, unscrew and remove retainer ring (40), two washers (41), and glow plug indicator (22) from plate (9).
ASSEMBLY
1.
If applicable, install glow plug indicator (22) and two washers (41) onto plate (9) and secure with retainer ring (40).
2.
Install rotary switch (21) onto plate (9) and secure with nut (39).
4-508 Change 1