Front Reels Stop Under Load; Front Reel Speed Erratic; Rear Cutting Unit Problems - Toro Reelmaster 5100-D Service Manual

Front Reels Stop Under Load

Cause
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R1 bypassing.
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Internal leakage (by-passing oil) in reel motor.
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P1 pump section inefficient.

Front Reel Speed Erratic

Cause
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Reel bearing or bedknife to reel adjustment too tight.
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Electrical problem.

REAR Cutting Unit Problems

Cause
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For problems with rear cutting unit reel operation, re-
fer to the Correction recommended for the front cut-
ting units.
NOTE: Rear cutting unit lift functions are control ­
led by P1 (front cutting unit) circuits of control valve.
®
Reelmaster 5100-D
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Page 4 - 21
Correction
Check relief pressure at port G1 of valve block and
adjust valve if necessary.
Do cartridge valve service procedure for valve R1.
Replace R1 with a new valve.
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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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Repair or replace pump.
Correction
See Chapter 8 - Cutting Units.
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See Chapter 5 - Electrical System.
Correction
Substitute R1 with R2
S1 with S2
S8 with S9
VS1 with VS2
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Troubleshooting