RosRoca Dennis Eagle Olympus, Service Manual

Page: 78 / 104

6
6‑14
SCHEDULED MAINTENANCE
OL1D-SM-GB02D
6.11 24-Month hydraulic system
oil quality check/ 36-Month
hydraulic system oil change
The hydraulic system oil should be changed at every
36 months.
• It is recommended that at 24 months from
delivery of the vehicle or from changing the
hydraulic system oil, a sample of the hydraulic
oil should be taken from the hydraulic tank and
analysed by a qualified laboratory.
• Refer to Olympus Workshop manual for
procedure.
1. Thoroughly clean the area around the filters.
2. Immobilise the vehicle ‑ (see ‘1.2 Immobilising
the vehicle prior to service procedures’ on page
1‑3).
3. Tilt the cab (refer to chassis‑cab manufacturer’s
instructions).
4. Place drip trays under the body functions control
valve block and the hydraulic tank to collect any
spilt oil.
5. Open body access door to access filters.
High pressure oil filter
6. Unscrew the filter bowl.
7. Remove the filter element and O‑rings.
8. Make sure that oil drains into the drip tray for
disposal.
9. Clean out any sediment that may have settled in
the bottom of the bowl and the O‑ring locations.
10. Fit new O‑rings and a new filter element.
11. Install the filter bowl assembly and tighten to
20. 4 Nm (15 lbf ft).
Return line oil filter
12. Remove the 4 screws securing the filter head cover
plate.
13. Remove the square section sealing ring from the
cover plate and fit a new one.
14. Remove the filter element and insert a new filter
element.
15. Fit the filter head cover plate and tighten the
screws to 20.4 Nm (15 lbf ft).
Breather filter
16. Unscrew and remove the breather filter.
17. Fit the new breather filter and tighten to 20.4 Nm
(15 lbf ft).
18. Start the engine and check for leaks.
19. Stop the engine.
20. Clean filter assembly, remove drip trays and clean
up any spillage that may have occurred.
21. Lower the cab (refer to chassis‑cab manufacturer’s
instructions).
22. Close the body access door.
23. Check level of oil in hydraulic oil tank and top up
if required (see ‘4.1 To check hydraulic system oil
level’ on page 4‑3).
24. Dispose used filters in accordance with legislation
or code of practice regarding disposal of controlled
materials and oils.
• Service exchange filters are available.
Contact Dennis Eagle Ltd., Parts Department.