Reelmaster 5200-D/5400-DHydraulic System Page 4 - 24
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Problem
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Possible Causes
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No cutting units will operate.
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Lower-mow/raise lever was improperly used.
Electrical problem exists (see Chapter 5 - Electrical System).
Gear pump or its coupler is damaged (Steering and lift circuits are
also affected).
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Front (Rear) reels will not turn in ei-
ther direction.
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Solenoid valve S1 (S2) is not shifting.
Relief valve R1 (R2) is by-passing.
Solenoid valve S7 is partially shifted.
Solenoid valve S7 energized (see Chapter 5 - Electrical System).
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Front (Rear) reels turn too slowly.
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Relief valve R1 (R2) is by-passing.
Solenoid valve S7 is partially shifted.
Solenoid valve S8 (S9) is partially shifted.
Reel motor has internal leakage (by-passing oil).
Gear pump section P1 (P2) is inefficient.
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Front (Rear) reels turn only in one
direction.
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Solenoid valve S8 (S9) is not shifting
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Front (Rear) reels stop or won’t start
- during backlap only.
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Reel motor has internal leakage (by-passing oil).
Load too high for motor.
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Front (Rear) reels stop under load.
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Relief valve R1 (R2) is by-passing.
Reel motor has internal leakage (by-passing oil).
Gear pump section P1 (P2) is inefficient.
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Cutting units will not raise.
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Flow control valve is closed.
Engine RPM is too low.
Solenoid valve S7 is not shifting.
Solenoid valve S3, S4, or S5 is not shifting.
Relief valve R1 is by-passing.
Lift cylinder(s) has(have) internal leakage.
Lift arm pivots are binding.
Gear pump section P3 is inefficient.
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Cutting units raise, but will not stay
up.
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Solenoid valve S6 energized (See Chapter 5 - Electrical System).
Solenoid valve S6 is not seating properly.
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Cutting units raise too fast or slow.
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Flow control(s) valve is(are) not adjusted properly.
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Cutting units will not lower.
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Solenoid valve S3, S4, or S5 is not shifting.
Solenoid valve S6 is not shifting.
Solenoid valve S7 is shifted (See Chapter 5 - Electrical System).