TM 9-2350-261-20-1
1. Turn MASTER SWITCH to ON.
2. Listen to air pump with air box heater switch ON.
3. Is air pump silent?
1. Measure voltage between power lead terminals 1 (+)
and 2 (-) on air pump (3) with air box switch depressed.
2. Turn MASTER SWITCH to OFF.
3. Did multimeter read less then 17 volts?
1. Ins tall air pump to air box heater hose onto air box
heater (page 6-133).
GO TO PAGE 3-42
1. Turn MASTER SWITCH to
OFF.
2. Replace air pump vane set
(page 6-135).
1. Install air pump to air box
heater hose onto air box
heater (page 6-133).
2. Replace air pump
(page 6-133) .
3. Verify no faults found.
Change 4 3-39