Service Manual

Reelmaster 6500-D/6700-DHydraulic System Page 4 - 28
Transmission Response Sluggish
Cause Correction
Charge pressure low. TEST NO. 1. Inspect charge relief valve R5.
Repair or replace if defective.
Servo control valve faulty. Inspect control valve for:
Plugged control orifices.
Damaged mounting gasket.
Misadjusted or damaged neutral return spring.
Broken control connector pin.
Galled or stuck control spool.
Neutral switch misadjusted.
Repair or replace control valve if necessary.
Towing by-pass valve open. Close valve.
Wheel motor(s) worn or damaged.
NOTE: If a motor has internal damage, it is likely that
the pump and other motor are also damaged.
Inspect wheel motors and repair or replace if worn or
damaged.
Pump worn or damaged. Inspect pump and repair or replace if worn or
damaged.
Transmission Will Not Operate in Either Direction
Cause Correction
Oil level in reservoir is low. Fill reservoir to proper level.
External control linkage misadjusted, disconnected,
binding or damaged.
Adjust or repair linkage.
Towing by-pass valve open. Close valve.
Charge pressure low. TEST NO. 1. Inspect charge relief valve R5.
Repair or replace if defective.
Servo control valve faulty. Inspect control valve for:
Plugged control orifices.
Damaged mounting gasket.
Misadjusted or damaged neutral return spring.
Broken control connector pin.
Galled or stuck control spool.
Neutral switch misadjusted.
Repair or replace control valve if necessary.