SANDER CONTROL VALVE
This task covers:
Tool kit SC4940-97-CL-E12
Drycleaning solvent (Item 34, Appendix B)
Pneumatic grease (Item 18, Appendix B)
Wiping rags (Item 32, Appendix B)
Sander control valve removed
· Remove rings, bracelets, wristwatches,
and neck chains before working around
the locomotive. Jewelry can catch on
equipment and cause injury, or may
short across an electrical circuit and
cause severe burns or electrical shock.
· High voltage is used in the operation of
equipment. Do not be misled by the
term LOW VOLTAGE. Potentials as
low as 50 volts may cause death.
When the sander control valve is
completely disassembled, a repair kit
should be install. Refer to TM 55-2210-
224-24P for the correct repair kit.
Remove gasket (1) from valve body (2). Retain
Remove O-ring (3) and strainer plug (4). Discard
Remove spring cap (5) and spring (6).
Remove valve assembly (7).
Remove locknut (8), seat washer (9), and
neoprene valve seat (10) from valve stem (11).
Discard valve seat.