top mark indicates system capacity with all cylinders retracted. Fluid capacity varies with
each model as indicated above.
Do not overfill.
Refer to Section 4 for hydraulic oils meeting the manufacturer’s specifications. Do not use
oils which have detergent additives.
HYDRAULIC CYLINDERS
Check the cylinder mounting brackets, bushings, and pins for wear, alignment, tightness,
and damage. If misalignment or excessive play or wear are detected, replace the defective
pin or bushing. Check the rod eye welds for cracks and breaks and have damaged welds
repaired.
HYDRAULIC COMPONENTS
Check the hydraulic valves, motors, pumps, hoses, tubes and connections for excess dirt,
oil and grease. Clean these items if necessary and check for leaks and damage. Tighten
leaky connections and repair any damaged components.
WEEKLY:
RETURN LINE FILTER
Change the hydraulic reservoir return line filters after the first 40 hours of the break-in
period; thereafter, follow the quarterly check recommendation.
MONTHLY:
HYDRAULIC RESERVOIR
Drain any accumulated moisture from the hydraulic reservoir by parking the machine on a
slight incline and loosen the pipe plug in the bottom of the reservoir.
HYDRAULIC OIL
Visually check the condition of the hydraulic oil once each month. Thickening of the oil or a
change in its appearance, such as darkening, may serve as a rough indicator of when an oil
change is needed. Periodic testing of the oil is the safest, most accurate method of
determining the condition of the oil. An oil supplier can be consulted for assistance in
testing the oil.
Change the oil whenever testing and/or inspection reveals the oil to be unsuitable for safe
and efficient operation or yearly.
QUARTERLY:
HYDRAULIC FILTER
Remove and replace the hydraulic reservoir return line filters. Access is gained by removing
the cover plate on the right-hand deck plate.
359P/N 12261-683 REVISED: January 2015
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