HYDROSTATIC SYSTEM
PROBLEM
POSSIBLE CAUSE REMEDY
Sluggish response to
Air in the Hydraulic system. Cycle Lift and Tilt Cylinders to
acceleration. maximum stroke and maintain pressure
for a short time to clear air from system.
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Also check for low oil level
in
Reservoir, fill as needed.
Hydraulic oil supply is too low. Check for low oil level in Reservoir.
Add oil
as
needed.
Low Hydrostatic System charge Contact your Gehl Dealer for assistance.
pressure.
Drive Motor(s) or Tandem Pump(s)
Contact your Gehl Dealer for assistance.
have internal damage or leakage.
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Hydrostatic Drive is
Drive System overloaded continuously. Improve efficiency
of
operation.
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overheating.
Lift and Tilt System overloaded Improve efficiency
of
operation.
continuously.
Drive Motor(s) or Tandem Pump(s)
Contact your Gehl Dealer for assistance.
have internal damage or leakage.
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II
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Oil Cooler Fins are plugged with debris. Clean Oil Cooler Fins.
:
Loader being operated in a high Reduce duty cycle and improve air
temperature area with no air circulation.
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circulation.
Hydrostatic (Drive) Hydraulic oil viscosity is too heavy. Allow longer warm-up or replace
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System is noisy. existing oil with the proper viscosity oil.
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Air
in
Hydraulic System. Cycle Lift and Tilt Cylinders to
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maximum stroke and maintain pressure
for a short time to clear air from system.
Also check for low oil level
in
Reservoir, fill
as
needed.
Drive Motor(s) or Tandem Pump(s)
Contact your Gehl Dealer for assistance.
have internal damage or leakage.
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Right side doesn't Excessive internal leakage in right Contact your Gehl Dealer for assistance.
drive in either
Dri
ve
Motor.
direction. Left side
operates normally.
Excessive leakage in rear Tandem Pump. Contact your Gehl Dealer for assistance.
Key missing on rear Pump Arm Control Contact your Gehl Dealer for assistance.
Shaft.
Relief Valves on rear Tandem Pump Contact your Gehl Dealer for assistance.
malfunctioning.
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Control Rod Linkage to rear Tandem Attach Control Rod Linkage.
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Pump disconnected.
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