Service Manual

Hydraulic
System
Rev. E
Reelmaster 6500-D/6700-D Hydraulic SystemPage 4 - 33
Front (Rear) Reels Stop Under Load
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.
Gear pump section P1 (P2) inefficient. TEST NO. 5. Repair or replace pump.
Reel motor internal leakage (by-passing oil) or
malfunctioning cross-over relief valve in motor.
TEST NO. 6 & 7. Repair or replace reel motor.
Cutting Units Will Not Raise
Cause Correction
Solenoid Valve SV1 not shifting. 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.
Solenoid Valve SV2 not shifting. 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.
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)
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.