Toro Reelmaster 6500-D Service Manual page 75

Front (Rear) Reels Stop Under Load
Cause
Relief valve R1 (R2) by-passing oil.
Gear pump section P1 (P2) inefficient.
Reel motor internal leakage (by-passing oil) or
malfunctioning cross-over relief valve in motor.
Cutting Units Will Not Raise
Cause
Solenoid Valve SV1 not shifting.
Solenoid Valve SV2 not shifting.
Solenoid valve(s) SV3, SV4, or SV5 not shifting.
Solenoid valve(s) SV6 or SV7 not shifting.
(Reelmaster 6700-D #6 & #7 cutting units only)
Reelmaster 6500-D/6700-D
Correction
TEST NO. 3. Adjust relief valve R1 (R2) if necessary.
Do cartridge valve service procedure for valve R1 (R2).
Replace faulty valve.
TEST NO. 5. Repair or replace pump.
TEST NO. 6 & 7. Repair or replace reel motor.
Correction
Do electrical diagnostics to make sure that voltage is
being applied to SV1 and that there is no electrical
fault. See Chapter 5 - Electrical System.
Test solenoid coil. Replace if faulty. See Chapter 5 -
Electrical System.
Do cartridge valve service procedure for valve SV1.
Replace faulty valve.
Do electrical diagnostics to make sure that voltage is
being applied to SV2 and that there is no electrical
fault. See Chapter 5 - Electrical System.
Test solenoid coil. Replace if faulty. See Chapter 5 -
Electrical System.
Do cartridge valve service procedure for valve SV2.
Replace faulty valve.
Do electrical diagnostics to make sure that voltage is
being applied to solenoid for affected circuit and that
there is no electrical fault. See Chapter 5 - Electrical
System.
Test solenoid coil. Replace if faulty. See Chapter 5 -
Electrical System.
Do cartridge valve service procedure for valve in
affected circuit.
Interchange suspect valve with any of the remaining
valves (SV3 thru SV7) and check operation.
Replace faulty valve.
Rev. E
Page 4 - 33 Hydraulic System