Component Maintenance Manual
EFFECTIVITY: ALL
21-00-22
Page
7002
JULY 21, 2011
Shop air, 40 PSIG max
Micrometer
Scribe or wire hook
Inspection
mirror
Thermometer,
0-150°F
Flash light or service lamp
Leak check fluid (soapy)
Thread sealant primer
Thread
sealant
Dry
nitrogen,
regulated
SUBTASK 21-00-22-40-001
9.2
Compressor Condenser Module Assembly Procedures
(refer to Figure 10001):
9.2.1
Assembly of Drive Motor Brushes (refer to Figure 3 for details)
CAUTION
: ENSURE THAT MOTOR COMMUTATOR IS CLEAR OF ANY CONTAMINATION AND THAT
ALL CARBON DUST IS REMOVED.
CAUTION
: DO NOT ALLOW BRUSH SPRING TO SNAP AGAINST THE BRUSH OR BRUSH DAMAGE
MAY RESULT.
9.2.1.1
Ensure that brushes have been tested (refer to Testing and Fault Isolation, Sect. 3).
9.2.1.2
Lift brush spring and slide brush into brush rack. Verify that brush direction is against
commutator.
9.2.1.3
Seat new brushes according to Special Procedures, Section 12. All new brushes
must be seated to ensure proper motor operation and/or performance.
CAUTION
: APPLY THREAD SEALANT SPARINGLY TO MALE FITTING THREADS STAYING CLEAR OF
FIRST 2-3 THREADS.
9.2.1.4
Attach brush shunt wire terminal to brush rack using attaching screw. Apply a drop of
thread sealant to screw.
9.2.1.5
Route brush shunt leads to allow for brush wear and to prevent shorting.
9.2.1.6
Install brush cover screen and secure with attaching screws and washers (refer to
table 1, section 1.3 for torque specifications). Safety wire screws in place.
9.2.1.7
Run system for a minimum of 15 minutes to seat brushes and check motor operation.
