ARMY TM 9-6115-464-12
AIR FORCE TO 35C2-3-445-1
NAVY NAVFAC P-8-624-12
(a) Connet an ohmmeter or simiIar device across circuit breaker terminals.
(b) Pull out circuit breaker button and check ohmmeter indication. Ohmmeter shall indicate open circuit.
(c) Depress circuit breaker button and check ohmmeter indication. Ohmmeter shall indicate continuity.
(d) Replace circuit breaker if the above continuity requirements are not met.
(a) Install circuit breaker (13), tooth lockwasher (12), and nut (11).
(b) Connect electrical leads to circuit breaker.
(c) Close access to interior of control box (paragraph (a) to (c) above).
Fuse Holder Assembly.
(a) Tag and disconnect electrical leads to fuse holder assembly.
(b) Remove fuse holder cap (14, Figure 5-7) and fuse (15).
(c) Remove nut (16) and tooth Iockwasher (17) to remove fuse holder (18).
(2) Cleaning, Inspection, and Repair.
(a) Clean fuse holder assembly parts with a dean, lint-free cloth lightly moistened with an approved
(b) Visually inspect fuse holder and fuse holder caps for cracks, corrosion, and stripped or other-
wise damaged threads.
(c) Inspect fuse for cracked or broken glass, corrosion, and melted conductor.
(d) Use an ohmmeter to check fuse for continuity.
(e) Replace damaged or defective parts.
(a) Install fuse holder (18, Figure 5-7), tooth lockwasher (17), and nut (16).
(b) Install fuse (15), and fuse holder cap (14).
(c) Connect electrical leads to fuse holder assembly.
d. ON-OFF Switch. Visually inspect ON-OFF switch (Figure 5-7) for insecure mounting, loose electrical
connections, cracks, corrosion and other damage.
Coolant Pump and Motor assembly.
(1) Motor Brushes Replacement.
Note position of brushes as they are removed to facilitate installation.
Remove brush retainer caps, springs, and brushes from pump assembly motor.
Measure brush length. Brushes shall be replaced if length is 3/16 inch or less.
Install brushes, springs, and brush retainer caps.