Maintenance RD 27
82 wc_tx000815gb.fm
5.28 Changing the Hydraulic Oil Filter
Prerequisites
Hydraulic oil filter
Strap-type wrench
Suitable container
Machine parked on a flat, level surface
When
Every 500 hours of service or yearly
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Procedure
Follow the procedure below to change the hydraulic oil.
Note: Take care to keep the hydraulic oil and the hydraulic system clean. Dirty
hydraulic oil will reduce component performance and shorten component service
life.
1. Open the engine compartment.
2. Locate the hydraulic oil filter (a).
3. Clean the area around the hydraulic oil filter.
4. Remove the hydraulic oil filter with a strap-type wrench.
Note: Collect, store and dispose of all used oil and filters in accordance with cur-
rent environmental protection regulations.
5. Clean the filter housing base. Remove any existing gasket material.
6. Apply a light coat of hydraulic oil to the gasket on the new hydraulic oil filter.
7. Screw the new hydraulic oil filter on by hand. When the seal contacts the base,
tighten the filter element an additional 3/4 turn.
8. Check the hydraulic oil level (b) and add hydraulic oil as needed.
9. Check the hydraulic oil level again the next day, or after the machine has been
run and allowed to cool down.
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