TM 9-2350-247-20-3REPLACE AIR LOW PRESSURE SWITCH (M548A1) — Continued 0494 002. Disconnect circuit lead 1B (5) and circuit lead 1C (6) from air low pressure switch (7).3. Disconnect air low pressure hose (8) from inlet elbow (9). Remove inlet elbow and bushing (10) from air low pressureswitch (7).4. Remove two screws (11), lock nuts (12), and air pressure switch (7) from bottom side of treadle valve assembly floorplate (3). Discard lock nuts.0494 00-2
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