250
229042ABA SJ46 AJ+, SJ46 AJ, SJ51 AJ
Section 5 – Procedures Hydraulic Tank
5.7 Hydraulic Tank
Maintaining the hydraulic components and hydraulic
oil at the proper level are essential to the good
performance and service life of the MEWP.
5.7-1 Hydraulic Oil Replacement
1. Turn the engine on and allow the hydraulic oil to
warm up.
2. Shut the engine off.
3. Place a suitable container under the hydraulic
tank.
4. Remove the oil drain plug and allow all of the
hydraulic oil to drain into the container.
5. Reinstall the drain plug with a new seal ring and
tighten the plug firmly.
6. Refill the hydraulic tank with new oil. Refer to
2.12 Hydraulic & Gear Oils.
7. Check for leakage.
8. Clean up any oil that may have spilled during
this procedure.
9. Check the hydraulic oil level. The hydraulic oil
level should be at or slightly above the fill line on
the tank.
NOTE
Refer to your national/local regulations on how to
dispose of the used filter and oil.
NOTE
Samples of hydraulic oil should be drawn from
the reservoir and tested annually. These samples
should be taken when the oil is warmed through
normal operation of the system. The sample should
be analyzed by a qualified lubrication specialist to
determine if it is suitable for continued use. Oil change
intervals will depend on the care used in keeping the
oil clean, and the operating conditions. Dirt and/or
moisture cotamination dictate that the oil should be
changed more often. Under normal use and operating
conditions, the hydraulic oil should be changed
every two years. For oil specifications, refer to 2.12
Hydraulic & Gear Oils.
5.7-2 Hydraulic Filter Replacement
1. Turn the MEWP off.
2. Place a suitable container under the filter.
3. Use a filter wrench to remove the filter from the
head. Throw out the filter.
4. Apply hydraulic oil to the o-ring on the new filter,
and screw the filter into place.
5. Tighten the filter with the filter wrench.
NOTE
Refer to your national/local regulations on how to
dispose of used filters and oil.
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