Reelmaster 6500–D/6700–D
Page 4 – 24
Hydraulic System
Excessive Wheel Motor Case Drain Flow
Cause Correction
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Excessive internal wear in wheel motor.
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Disassemble motor completely. Inspect parts and
replace as necessary. Case drain flow should not
exceed 7.6 L/m [2 gal/m] at full pressure.
Noisy Gear Pump Caused by Cavitation
Cause Correction
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Oil too heavy.
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Change to proper viscosity oil.
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Suction line restricted.
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Check for bent or collapsed suction line. Check suction
screen in reservoir for blockage – drain and clean
reservoir if necessary.
Air leak in suction line. Tighten fittings or repair suction plumbing..
Foaming Oil
Cause Correction
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Low oil level.
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Fill reservoir.
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Air leak in suction line.
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Tighten fittings or repair suction plumbing.
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Wrong kind of oil.
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Drain and flush system. Fill with correct oil.
Front Reels Will Not Turn
Cause Correction
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S1A not shifting.
NOTE: Lift function will also be affected.
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Do electrical diagnostics to make sure that voltage is
being applied to S1A and that there is no electrical
fault. See Chapter 5 – Electrical System.
Do cartridge valve service procedure for valve S1A.
Interchange S1A with S1B and check operation.
Replace S1A with a new valve if faulty.
Relief valve R1A stuck open.
NOTE: Lift function will also be affected.
TEST NO. 5. Adjust relief valve if necessary.
Do cartridge valve service procedure for valve R1A.
Replace R1A with a new valve if faulty.