SWE90UF-2PB Operation & Maintenance Manual
(5) Bucket should dig along the cutting track and avoid digging hard earth constrainedly,
otherwise it will cause the hydraulic oil overheated.
(6) During work, do your best to avoid pulling the handle to the end, otherwise it will cause
hydraulic oil overheated and components damage.
(7) Not allow slewing if bucket doesn’t leave working face.
(8) It allows using arm and bucket to impel or level off rideau, but never operate side of bucket
to do that.
(9) When working at swampy ground (especially on rainy day), the excavator must keep a proper
distance away from working face to prevent collapse.
(10) After stopping machine, all switches of control panel should be turned off, power supply
should be cut off and the cab should be locked.
(11) During digging, avoid overload work to reduce energy consumption and heating of the
hydraulic oil.
(12) During digging work, pay attention to the cylinder stroke end, avoid using fixed baffle of
boom, arm, and bucket to prolong the lifetime of framework.
(13) If the productivity can satisfy the working demand, in order to prolong engine lifetime and
keep low noise running, try your best not to run at maximum accelerator, the best rev of engine
should be 1600-1800 r/min.
(14) Before every shift, according to the rules, inject grease to all shafts through grease nozzles
until the grease overflows. Otherwise it will damage axles and sleeves.
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