DRAFT
TM 5-4210-249-13&P-1
0106
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 5.
Turn battery disconnect switch to OFF position (WP 0007). Open pump house panel A
(WP 0539). Remove driver main inlet valve (WP 0484) and inspect it for binding,
damage, and contamination.
a.
If driver main inlet valve is free from binding, damage, and
contamination, reinstall valve (WP 0484) and replace driver main inlet
valve motor and drive assembly (WP 0388).
b.
If driver main inlet valve is not free from binding, damage, or
contamination, repair (WP 0387) or replace driver main inlet valve
(WP 0484).
TFFT03420
NOTE
Valve operations must be checked by observing rotation of 7/16 in. hex at end of valve
drive assembly worm gearshaft for Step 6.
Step 6.
While an assistant pushes pump operator's panel DRIVER MAIN INLET valve control
OPEN and CLOSE buttons (WP 0004), check if driver main inlet valve worm gearshaft
moves after valve is fully opened or closed.
If driver main inlet valve worm gearshaft moves excessively after valve is
fully opened or closed, remove and reinstall driver main inlet valve motor
(WP 0388), ensuring all mounting hardware is secure.
Step 7.
Remove pump house panel B (WP 0540). Remove driver main inlet valve (WP 0484)
and inspect it for damage and contamination.
a.
If driver main inlet valve is free from damage and contamination,
reinstall valve (WP 0484) and go to Step 8.
b.
If driver main inlet valve is damaged and/or contaminated,
repair (WP 0387) or replace driver main inlet valve (WP 0484).
0106-5
