TM 9-4110-255-14
4-27. AMMETER M1 TESTING AND REPLACEMENT. - Continued
(3) Using multimeter set to measure continuity, check ammeter (7) continuity between terminals. Continuity
should be indicated. If no continuity was indicated, replace ammeter.
(4) If no failure was indicated, install wire leads (4) using tags and wiring diagram (fig. 1-4), two lock washers
(6), and nuts (5). Remove tags.
(5) Close control panel (3) and install two new lock washers (2) and bolts (1).
b. Removal.
(1) Be sure battery has been disconnected then remove two bolts (1) and lock washers (2). Open control
panel (3). Discard lock washers.
NOTE
Terminal hardware is supplied with ammeter.
(2) Tag wire leads (4) and remove two nuts (5), lock washers (6) and wire leads.
(3) Remove two self locking nuts (8), plastic bracket (9), and ammeter (7).
c. Installation.
NOTE
Terminal hardware is supplied with ammeter.
(1) Install ammeter (7), plastic bracket (9), and two self locking nuts (8).
(2) Using tags and wiring diagram (fig. 1-4), install wire leads (4), two lock washers (6), and nuts (5). Remove
tags.
3) Close control panel (3). Install two new lock washers (2) and bolts (1).
NOTE
FOLLOW-ON MAINTENANCE:
Unlatch and close control box cover door.
Connect battery (para 4-35) and put unit back into service.
4-70
