Power Unit - Ventrac 4500Y Operator's Manual

Power Unit

Power unit will not move with engine running.
Engine stalls whenever the SDLA control lever is moved
forward or backward out of neutral.
TROUBLESHOOTING
Symptom:
Troubleshooting - 78
Possible Cause:
High/low shift lever in the neutral position.
Hydraulic oil level is low.
Brake not releasing.
Pump control arm connecting linkage loose or off.
Tow valve bypassing at hydraulic pump.
Universal joint at the engine/hydraulic pump is loose.
Faulty hydraulic pump or motor.
Parking brake switch or neutral switch out of adjust-
ment.