Service Manual

Hydraulic
System
Rev. E
Reelmaster 6500-D/6700-D Hydraulic SystemPage 4 - 31
Front (Rear) Reels Will Not Turn (Continued)
Cause Correction
Relief valve R1 (R2) by-passing oil. TEST NO. 3. Adjust relief valve R1 (R2) if necessary.
Do cartridge valve service procedure for valve R1 (R2).
Replace faulty valve.
Solenoid Valve SV10 and/or SV11 not shifting.
(Reelmaster 6700-D #6 & #7 cutting units only)
Do electrical diagnostics to make sure that voltage is
being applied to SV10 and/or SV11 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 SV10
and/or SV11.
Interchange SV10 and SV11 and check operation.
Replace faulty valve.
Gear pump section P1 (P2) damaged. TEST NO. 5. Repair or replace pump.
Front (Rear) Reels Do Not Turn or Turn Too Slow
Cause Correction
Reel Speed Valve FC1 (FC2) improperly adjusted. Make sure FC1 (FC2) is set to desired reel speed.
Do cartridge valve service procedure for valve FC1
(FC2).
Interchange FC1 and FC2 and check operation.
Replace faulty valve.
Mow/Backlap Valve MD1 (MD2) partially rotated. Make sure MD1 (MD2) is fully seated in either the
“Mow” or “Backlap “ position.
Do cartridge valve service procedure for valve MD1
(MD2).
Interchange MD1 and MD2 and check operation.
Replace faulty valve.
Relief valve R1 (R2) by-passing oil. TEST NO. 3. Adjust relief valve R1 (R2) if necessary.
Do cartridge valve service procedure for valve R1 (R2).
Replace faulty valve.