8. Disassemble the connecting flange and take it off together
with the hydraulic oil filter.
9. Disassemble the hydraulic oil tank.
10. Drain the hydraulic oil tank and assemble it again.
11. Replace the hydraulic oil filter (4) and the seal ring (3) and
fasten it to the connecting flange.
12. Assemble the connecting flange (1) with the new seal ring (2)
to the hydraulic oil tank (tightening torque: 13 Nm (9.6 ft.lbs)).
NOTICE!
Risk of damage!
– Use only hydraulic oil of the permitted specifi-
cation
Ä
Chapter 8.3.4 „Mineral oil based
hydraulic oil“ on page 73.
Fig. 96
Fig. 97
Fig. 98
Filling up hydraulic oil
Maintenance – Every 2 years / every 500 operating hours
BPR 70/70 D
93
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