P-9-TM-457-35 T.O. 35C2-3-442-2
TM-07464A-35 TM 5-6115-457-34
Figure 11-4. Coolant pump test set-up
2. Turn adjusting screw (9)
signs of dampness) is maximum when pump
counterclockwise until motor starts.
is operating at 2 PSI discharge pressure.
8. Turn power supply to OFF; then
3. Then turn adjusting screw clock-
remove discharge line and fitting from OUT
port. Plug this port and apply 40 PSI hydro-
wise until motor stops.
static pressure for 20 minutes. No leakage
4. Turn adjusting screw clockwise
shall be evident during this test.
an additional 1/2 (180 degrees) turn.
Remove test equipment.
5. Remove power supply.
b. Flame Micro-Switch. Check micro-
Refer to Operator and Organiza-
1. Connect a 24 VDC power supply to
tional Maintenance Manual and install
heater receptacle, positive to pin C and
negative to pin A.