ARMY TM 9-6115-670-14&P
4-149
4.58. HOUR METER.
This task covers:
Replace
INITIAL SETUP
Tools
General Mechanic's Tool Kit
(Item 1, Appendix B)
Equipment Conditions
APU control unit disconnected from shelter.
Refer to system TM.
Materials/Parts
Hour Meter
REPLACE
a. Remove ten screws (caged nuts (SICPS), machine screws (JTACS and WIN-T)) (1, Figure 4-46)
securing APU control unit cover to chassis and remove cover.
b. At rear of meter (2), identify and tag terminal leads (3).
c. Disconnect terminal leads (3) from terminals (4) by gently pulling apart.
d. Remove two screws and nuts (two screws, lock washers and nuts (JTACS and WIN-T)) (two
screws, lock washers and nuts (SICPS)) (5) securing hour meter (6) to APU control unit front panel.
e. Carefully pull meter (6) through front of APU control front panel.
f. Position meter (6) in APU control unit front panel (7) mounting hole.
g. Secure meter (6) to APU control unit front panel (7) with two screws and nuts (5).
h. Secure terminal leads (3) on terminals (4) and remove tags.
i. Secure APU control unit cover to chassis with ten screws (caged nuts (SICPS), machine screws
(JTACS and WIN-T)) (1).
j. Install APU control unit (see system TM).
