Or when the
indicator light
After 5 times clean or 1 year operation
2．Air filter and
connecting
pipes
between
engines
Replace immediately when crack or leakage is
detected
Clean air filter core…every 250 hours or clogging indicator light comes on.
Replace outer and inner filter core…every 5 times clean or 1 year operation.
1) Park excavator on level ground.
2) Lower bucket to ground
3) Run engine idle for 5 minutes.
4) Stop engine, and take out key switch.
5) Pull pilot control lever to lock position.
6) Open engine cover. Remove pothook of
rubber ring ④ and release shell (8).
7) Release the lock catch and take out the dust collection cup ⑥.
8) Clean the interior of the dust collection cup ⑥
9) Take out the filter core ⑦.
⚫ Only clean air filter at scheduled time to prevent dust entering engine.
⚫ Also check airproof and fixation termly of elastic joint between engine and
air filter. Because the engine, muffler, radiator, hydraulic oil pipe, glide
components and many other parts of the machine may still hot, touching may cause
scald.
⚫ Shut off engine and cool the machine down before inspection and maintenance.
⚫ Wear proper protective equipments when operating compressed air, such as
blinkers and light filter mask, metal scraps or other objects may cause damage
to human body.
FIG.100
FIG.98
Never start engine when the hydraulic oil tank is empty.
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