TM 55-2210-224-12
2-10. PRESTART INSTRUCTIONS
a. Do the before (B) operation PMCS in table 2-1 and paragraphs 2-5 and 2-6.
b. Refer to paragraph 2-3 for location and make sure the following air valves and cocks are
CLOSED:
NOTE
Cutoff cocks with bent handles are open (in) when the handle is parallel with the
flow of air. Cutoff cocks with straight handles are open (in) when the handle is
perpendicular to the flow of air.
(1)
Automatic drain valves in the air reservoirs (The manual valve is opened by turning
clockwise, closed by turning counterclockwise.)
(2)
Trainline air hose cutout cocks at each end of the locomotive (If locomotive is connected
in multiple-unit operation, these cocks are OPEN.)
(3)
Dead engine valve
c. Check that the following air cocks are OPEN:
(1)
Main reservoir cutout cock
(2)
Secondary air system cutout cock
(3)
Brake cylinder cutout cocks
(4)
Cutout cocks in supply line to sanders
(5)
Horn and windshield wipers cutout cock
(6)
Cutout cock in brake pipe branch pipe to distributing valve
(7)
Governor override cutout cock
(8)
Double-ported cutout cock
2-27