TM 9-2320-328-13&P-1
0076-23
DRAFT
0076
NOTE
•
Ensure system air pressure is at least 85 psi (586 kPa) during this procedure.
System air
pressure is required to activate valves.
•
Do not engage pump PTO during this procedure, except when performing complete
system checks.
Valve operations can be checked without water pump operation.
•
Valve operations can be checked by observing valve shaft rotation.
Step 33.
Put cab TANK TO PUMP switch to close position (WP 0004) and release.
While an
assistant puts cab UNDER TRUCK NOZZLES switch to on position (WP 0004), check if
under truck nozzles valve operates to open position.
If under truck nozzles valve does not operate to open position, go to
Step 36.
HWT1172
Step 34.
Put cab UNDER TRUCK NOZZLES switch to off position (WP 0004).
Inspect air lines
from air control valve manifold to tank-to-pump valve for kinks and damage.
If air lines are kinked or damaged, replace damaged air lines (WP 0374).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION