TM 9-2320-366-20-3
7-21. TACHOMETER REPLACEMENT
This task covers:
a. Removal
b. Installation
c. Follow-On Maintenance
INITIAL SETUP
Equipment Conditions
Batteries disconnected (para 7-57).
Tools and Special Tools
Tool Kit, Genl Mech (Item 46, Appendix C)
Wrench, Torque, 0-75 lb-in. (Item 90, Appendix B)
Materials/Parts
Nut, Self-Locking (2) (Item 133, Appendix G)
a. Removal.
(1) Remove six screws (1) and auxiliary panel (2) from
auxiliary panel housing (3).
(2) Lift auxiliary panel (2) outward to gain access.
(3) Disconnect
connector
clamp
(4)
from
tachometer
connector (5).
(4) Disconnect
connector
P901
(6)
from
tachometer
connector (5).
(5) Remove two protective caps (7), self-locking nuts (8),
and retaining ring (9) from tachometer (10). Discard self-
locking nuts.
(6) Remove tachometer (10) from auxiliary panel (2).
7-122