OPERATION & MAINTENANCE MANUAL SWE18UF
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Do not allow operation on rocks (neither hard rocks nor soft ones).
Do not allow breaking or flat operation by slewing the machine. (e.g break wall or flat
the ground)
Do not allow digging the bucket teeth into ground while slewing.
Do not allow pulling the machine forward by digging bucket teeth into ground.
Do not allow excavation by walloping or using the weight of the machine.
Break the hard groundsill rocks into small pieces by hydraulic hammer before excavation,
etc. This can prevent damage to machine and will be more oecumenical.
During excavation, especially deep digging work, pay attention to avoid bucket teeth
and boom cylinder colliding with dozer blade.
Try your best to place the dozer blade at the rear end.
The dozer is used for simple bulldozing work, so never dig the dozer blade too deep,
or the dozer blade or even the infrastructure may be damaged.
g —— Extend arm
h —— Retract arm
3.5.2 Composite Movement of Excavator
1)
When the machine slews, you can operate the
composite movement of boom and bucket.
2)
It can operate as follows: bucket digs while
extending or retracting arm; arm digs while
lowering boom, etc.
3)
Besides the co-operation between right and left
handle, pull either of the handles to any
diagonal orientation (45
direction), can achieve
the adjacent two composite movements.
3.5.3 Slewing Platform Brake
Release slewing control handle, return it to neutral potion can bring more brake torque.
sition, it will bring sufficient brake power to brake the platform. While reversing the handle
opera
3.5.4 Key Points for Excavation
1)
Operator must wear safety helmet and work clothes, make sure the safety of working area
before starting machine.
g
h
f
e
FIG.3-22
