Table 3-1. Operator/Crew Troubleshooting (Cont).
TEST OR INSPECTION
Remove the foot valve strainer (6, Appendix F, Figure 39) and clean the foot valve.
Check for low water level.
PUMP WILL NOT PRIME DURING FILLING PROCEDURES.
Check foot valve and suction hose for plugging (Figure 2-3).
Clean the foot valve and suction hose as necessary.
Check the pump strainer (14, Appendix F, Figure 83).
Clean it as necessary.
Check the suction hose (Figure 2-3) for leaks.
Replace suction hose as necessary.
Check hose coupling gaskets.
Replace hose coupling if gasket is missing or damaged.
AUXILIARY THROTTLE CONTROL VALVE DOES NOT OPERATE.
Use extreme caution when opening draincocks. Wear safety goggles to protect against eye Injury due to
high pressure air.
Check the auxiliary air reservoir and the brake air reservoirs for pressure by opening the draincocks.
If there is no air in any of the reservoirs, check the gladhands and connect them as necessary.
If there is air pressure in any or all of the air reservoirs, notify unit maintenance.