Hydraulic System Maintenance
MAINTENANCE
A regular program of periodic maintenance is an essential part of continued hydraulic
system operation. Allowing accumulations of moisture and sediment to build-up in the
system will damage hydraulic valves, pumps and motors. The presence of leaking
connections or damaged components effect the efficiency of operation and are dangerous.
The materials presented here are listed in accordance with the
Machine Maintenance
Checklist on page 134. Consideration of severe working conditions may dictate a revision
in scheduling periodic checks.
DAILY:
HYDRAULIC FLUID LEVEL
The hydraulic reservoir, fluid level indicator, and filler cap are on the right side of the machine.
Retract all cylinders to return the maximum amount of oil to the reservoir and note the oil
level in the indicator. The fluid level should be between the full and add marks. The top
mark indicates system capacity with all cylinders retracted. Reservoir capacity is 298
gallons and system capacity varies with equipment up to a maximum of approximately 527
gallons.
Do not overfill.
Maintenance
158 P/N 12261-319 REVISED: August 2012
Courtesy of Crane.Market
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