9. Screw in the oil filler cap and install the cover.
10. To bleed the air, start the engine according to
“12.2 STARTING
ENGINE” and run the engine at low idling for
IO minutes.
11. Stop the engine.
REMARK
Operate the machine after halting for more than 5 minutes to
eliminate bubbles in the oil inside the tank.
12. Check for oil leakage and wipe off any spilled oil.
When the hydraulic breaker is installed, the hydraulic oil deterio-
rates earlier than in normal bucket digging work.
The first element replacement should be at 100 to 150 hours for 8: ~~~~~~~~Xe”~~~~~~~~~~~~
new machines. Thereafter, replace the element according to the
8
c : Replacement interval for main filter
table on the right.
d : Replacement interval for extra filter
Replace the additional filter element for the breaker every approx.
250 hours (when breaker operating ratio is more than 50%) accord-
1000
ing to the table on the right. (See “23.2 MAINTENANCE INTERVAL @
WHEN HYDRAULIC BREAKER”.)
500
250
0
24.5.5 LUBRICATE SWING CIRCLE (3 POINTS)
Lower the work equipment to the ground.
Using a grease gun, pump in grease through the grease fittings
shown by arrows.
After greasing, wipe off all the old grease that was pushed out.
II
AE098780
3-55
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