Toro Reelmaster 6500–D Service Manual page 112

Front Reels Turn Too Fast
Cause
VS1A not operating properly.
Front Reels Won't Backlap (Mowing Operation OK)
Cause
S3A not shifting.
Front Reels Stop or Won't Start – During Backlap Only
Cause
Motors stalling.
Load too high for motor.
Front Reels Stop Under Load
Cause
R1A bypassing.
P2 pump section inefficient.
Internal leakage (by-passing oil) in reel motor or
malfunctioning cross–over relief valve in motor.
Hydraulic System
Correction
Do electrical diagnostics to make sure that voltage is
being applied to VS1A and that there is no electrical
fault. See Chapter 5 – Electrical System.
Do cartridge service procedure for VS1A.
Interchange VS1A with VS1B and check operation.
Replace VS1A if faulty.
Correction
Do electrical diagnostics to make sure that voltage is
being applied to S3A and that there is no electrical
fault. See Chapter 5 – Electrical System.
Do cartridge service procedure for S3A.
Interchange S3A with S3B and check operation.
Replace S3A if faulty.
Correction
Increase flow to motors by adjusting HOC selector
knob.
Decrease load.
Correction
TEST NO. 5. Adjust relief valve if necessary.
Do cartridge valve service procedure for valve R1A.
Replace R1A with a new valve.
TEST NO. 7. Repair or replace pump.
TEST NO. 8. Excessive case drain flow may identify
faulty motor. Use hydraulic tester to perform reel motor
efficiency test. Repair or replace reel motor if faulty.
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Reelmaster 6500–D/6700–D