TM 5-3820-276-10-2
OPERATOR MAINTENANCE
POWER TAKE-OFF (P.T.O.) DOES NOT ENGAGE - WATER WELL SUPPORT VEHICLE (WWSV)
INITIAL SETUP:
References
Equipment Condition
Volume 1, WP 0032
Engine off (Volume 1, WP 0012)
Volume 1, WP 0033
Volume 1, WP 0034
TROUBLESHOOTING PROCEDURE
POWER TAKE-OFF (P.T.O.) DOES NOT ENGAGE - WWSV
SYMPTOM
P.T.O engaged light does not illuminate when attempting to engage P.T.O.
MALFUNCTION
Transmission not in Neutral.
CORRECTIVE ACTION
1.
Start engine and place transmission in Neutral (Volume 1, WP 0012).
2.
Attempt to operate P.T.O. and verify if one or more hydraulic functions such as winch (Volume
1, WP 0033), downriggers (Volume 1, WP 0032), or crane (Volume 1, WP 0034) operates.
3.
Verify if P.T.O. engaged light is illuminated (Volume 1, WP 0012).
P.T.O.
ENGAGED
LIGHT
WWDS00627
Figure 1.
P.T.O. Engaged Light.
a.
If P.T.O. engaged light illuminates, P.T.O. is engaged. Problem solved.