Problem
Possible Cause
Wheel motor will not hold load in
neutral.
Make up fluid from charge pump is not available.
Hydrostat ball check valves are damaged.
Reservoir oil level is low.
Reel motor drive pump is noisy (ca-
vitation).
Suction line is restricted.
Suction line has an air leak.
Reels will not turn.
Solenoid valve S1 is stuck open.
An electrical problem exists (See Chapter 5−Electrical System).
Relief valve R1 is stuck open.
LC1 logic valve is stuck open.
Gear pump P1 is damaged.
Reel speed is erratic.
Reel(s) turn too slowly.
Reel to bedknife adjustment is too tight.
Orifice for LC1 is obstructed.
Reel bearing(s) are damaged.
Reel section of pump (P1) is inefficient (see Testing).
Reel motor has internal leakage or malfunctioning cross−over relief
valve (see Testing).
Reel bearing(s) are damaged.
Engine speed is too low.
Cutting units will not lift or lift slowly.
Charge (gear) pump is damaged.
Lift cylinder linkage is binding or broken.
Lift cylinder bushings are binding.
Reservoir oil level is low.
Charge pump pressure or flow is insufficient.
Implement relief valve (1000 PSI) is stuck open.
Lift cylinders leak internally.
Steering control valve is defective.
Lift cylinders leak internally.
Cutting units raise, but will not stay
up.
Check valve within the lift valve leaks.
Steering Problems.
See Ross Troubleshooting Guide in the Hydraguide Hydrostatic
TM
Steering System HGF Series Service Procedure at the end of this
chapter.
Turning steering wheel turns ma-
chine in the opposite direction.
Hoses to the steering cylinder are reversed.
Reelmaster 3100−D
Hydraulic System (Rev. C)
Page 4 − 27
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| Language | English |
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