DRAFT
TM 5-4210-249-13&P-1
0077
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFFT4475
NOTE
When INC switch is pressed voltage should increase. By pressing DEC switch, voltage
should decrease.
Step 12.
Operate pump operator's panel pressure governor in RPM mode (WP 0024). Push INC
or DEC switches to adjust engine speed (WP 0004). With a test lead set, check for 0.7
to 4.5 VDC on wire 4062 at pump operator's panel wire harness dual governor pressure
switch wire harness 4-terminal connector, terminal 3.
If 0.7 to 4.5 VDC are not present, replace dual governor pressure
switch (WP 0386).
Step 13.
Operate personnel cab pressure governor in RPM mode (WP 0024). Push INC or DEC
switches to adjust engine speed (WP 0004). With a test lead set, check for 0.7 to 4.5
VDC on wire 4062 at pump operator's panel wire harness dual governor pressure
switch wire harness 4-terminal connector, terminal 3.
If 0.7 to 4.5 VDC are present, replace water pump engine electronic control
unit (WP 0226).
If 0.7 to 4.5 VDC are not present, replace dual governor pressure
switch (WP 0386).
END OF TASK
FOLLOW-ON MAINTENANCE
Remove wheel chocks (TM 9-2320-347-10)
END OF TASK
END OF WORK PACKAGE
0077-9/(10 blank)