TM 55-2210-224-12
4-27. SANDER CONTROL VALVE (cont)
REMOVAL (cont)
6.
Remove two machine screws (1) and
cover (2). Tag and disconnect
wires (3). Remove conduit nut
(4) and pull conduit elbow (5)
from bottom of sander control
valve (11).
7.
Disconnect three air line
fittings (6).
8.
Remove three male half unions (7)
and street elbows (8). Remove
two capscrews (9) and lockwashers
(10). Remove sander control
valve (11) from bracket (12).
INSTALLATION
9.
Position sander control valve
(11) on bracket (12) and install
two lockwashers (10) and
capscrews (9).
10. Apply antiseize tape to the
threads of three street elbows
(8) and male half unions (7).
Install street elbows and male
half unions. Connect three air
line fittings (6).
11. Position conduit elbow (5) in bottom of sander control valve (11) and install conduit nut (4).
Connect wires (3) and remove tags. Position cover (2) on sander control valve and install
two machine screws (1).
12. Open electrical equipment cabinet door and set battery switch to CLOSE.
13. Start locomotive (para 2-10 and 2-11). After air pressure buildup, check sander control
valve for proper operation.
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