Toro Reelmaster 6500–D Service Manual page 114

Cutting Units Raise, But Will Not Stay Up
NOTE: Lift cylinders and check valves cannot provide
an absolutly perfect seal. The lift arms will eventually
lower if left in the raised position during storage. It is rec-
ommended that the machine be stored with the cutting
Cause
S5A leaking down (not seating properly).
Reelmaster 6700–D only – S6B affects No. 6 and 7
cutting units.
Excessive internal leakage in lift cylinder(s).
Front Outer Cutting Units Lower Too Fast or Too Slow
Cause
One-way variable orifice not properly adjusted (#4 and
#5 cutting units only) - see Hydraulic Schematics.
Cutting Units Will Not Lower
Cause
S5A not shifting.
Reelmaster 6700–D only – S6B affects No. 6 and 7
cutting units.
Hydraulic System
units in the lowered position. This also prevents acci-
dental lowering of the cutting units if the lift lever (joy-
sitck) is bumped while the key switch is on.
Correction
Do cartridge valve service procedure for valve S5A.
Replace S5A with a new valve if faulty.
Check lift cylinder(s) and repair or replace if faulty.
Correction
Adjust variable orifice for affected circuit.
Correction
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.
Do cartridge valve service procedure for valve S5A.
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Reelmaster 6500–D/6700–D