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Reelmaster 5010 SeriesHydraulic System (Rev. C) Page 4 -- 26
Lift Circuit Problems (Continued)
Problem Possible Cause
Single cutting unit lowers very slowly
or not at all
Lift arm or lift cylinder is binding.
Lift cylinder is damaged.
Flow control orifice in lift control manifold for the affected cutting
unit is plugged or damaged.
Check valve in lift control manifold (CV1, CV4, CV5 and CV23) is
stuck or damaged.
Steering Circuit Problems
Problem Possible Cause
Steering inoperative or sluggish Steering components ( e.g. tie rods, steering cylinder ends) are
worn or binding.
Steering cylinder is binding.
Oil level in hydraulic reservoir is low (other hydraulic systems af-
fected as well).
Steering relief valve (R12) in steering c ontrol valve is stuck or dam-
aged.
Steering cylinder leaks internally.
Steering control valve is worn or damaged.
Gear pump section (P3) is worn or damaged (NOTE: A worn or
damaged gear pump section (P3) will also affect the traction
(charge) circuit).