Toro Reelmaster 5500-D Service Manual page 63

Problem
Front (Rear) reels will not turn in ei-
ther direction.
Front (Rear) reels turn too slowly.
Front (Rear) reels turn only in one
direction.
Front (Rear) reels stop or won't start
- during backlap only.
Front (Rear) reels stop under load.
Cutting units will not raise.
Cutting units raise, but will not stay
up.
Cutting units raise too fast or slow.
Cutting units will not lower.
Reelmaster 5500-D
Possible Causes
Solenoid valve MS1 (MS2) is not shifting.
Relief valve R1 (R2) is by-passing.
Electrical problem exists (see Chapter 5 - Electrical System).
Relief valve R1 (R2) is by-passing.
Mow/Backlap valve MD1 (MD2) is partially rotated.
Reel speed valve (FC1) incorrectly adjusted.
Reel motor has internal leakage (by-passing oil).
Gear pump section P1 (P2) is inefficient.
Mow/Backlap valve MD1 (MD2) is not redirecting oil.
Reel motor has internal leakage (by-passing oil).
Cutting units not completely lowered.
Load too high for motor.
Electrical problem exists (see Chapter 5 - Electrical System).
Relief valve R1 (R2) is by-passing.
Reel motor has internal leakage (by-passing oil).
Gear pump section P1 (P2) is inefficient.
Engine RPM is too low.
Solenoid valve SV2 is not shifting.
Solenoid valve SV1 is not shifting.
Solenoid valve SV3, SV4, or SV5 is not shifting.
Relief valve R3 is by-passing.
Lift cylinder(s) has(have) internal leakage.
Lift arm pivots are binding.
Gear pump section P3 is inefficient.
Electrical problem exists (see Chapter 5 - Electrical System).
Steering valve has internal leakage.
Solenoid valve(s) SV3, SV4, or SV5 has(have) internal leakage.
Lift cylinder(s) has(have) internal leakage.
Flow control(s) valve is(are) not adjusted properly.
Solenoid valve SV3, SV4, or SV5 is not shifting.
Solenoid valve SV1 is not shifting.
Flow control(s) valve is(are) not adjusted properly (closed).
Solenoid valve SV2 is shifted (See Chapter 5 - Electrical System).
Relief valve R3 is by-passing.
Page 4 - 25 Hydraulic System (Rev. C)