Hydrostatic System
Problem
Possible Cause
Remedy
Hydrostatic (drive)
system is noisy.
Hydraulic oil viscosity is
too heavy.
Allow longer warm-up or replace
existing oil with the proper
viscosity oil.
Air in hydraulic system.
Cycle lift and tilt cylinders to
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
hydrostatic pump(s) have
internal damage or
leakage.
Contact your dealer.
Left side doesn’t
drive in either
direction. Right
side operates
normally.
Rear hydrostatic pump
arm control lever loose.
Tighten.
Relief valves on rear
hydrostatic pump
malfunctioning.
Contact your dealer.
Control rod linkage to rear
hydrostatic pump
disconnected.
Attach control rod linkage.
Left side doesn’t
drive in forward
direction.
Relief valve on rear
hydrostatic pump is
malfunctioning.
Contact your dealer.
Rear hydrostatic pump
malfunctioning.
Contact your dealer.
Right side doesn’t
drive in either
direction. Left side
operates normally.
Front hydrostatic pump
arm control lever loose.
Tighten.
Relief valves on front
hydrostatic pump
malfunctioning.
Contact your dealer.
Control rod linkage to
front hydrostatic pump
disconnected.
Attach control rod linkage.
Right side doesn’t
drive in one
direction.
Relief valve on front
hydrostatic pump is
malfunctioning.
Contact your dealer.
Front hydrostatic pump
malfunctioning.
Contact your dealer.
67
908274/BP1202
Summary of Contents for SL7600
Page 1: ... SL7600 SL7800 SKID STEER LOADER OPERATOR S MANUAL Form No 908274 English ...
Page 36: ...NOTES 33 908274 BP1202 ...
Page 69: ...908274 BP1202 66 ...
Page 71: ...908274 BP1202 68 ...
Page 72: ...69 908274 BP1202 ...
Page 75: ...Maintenance Log Date Hours Service Procedure 908274 BP1202 72 ...
Page 76: ...Maintenance Log Date Hours Service Procedure 73 908274 BP1202 ...
Page 77: ...Maintenance Log Date Hours Service Procedure 908274 BP1202 74 ...
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