SDLG LG968 - 8.10 Welding Repair

Operation & Maintenance Manual──LG968 /969Wheel Loader
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8.7 Do not let anything fall into the inner place of machine
z If open the examination window and oil filling port of oil tank, make sure do not let anything
(such as nut, bolt, cotton yarn or tool) fall into the inner part. If such things happen, the machine
may be broken; miss operation may be caused and other failures also.
z Do not carry any tool or part in your pocket during examination.
8.8 Cleaning
z Wear the anti-slide shoes to prevent sliding when clean the machine. Wear protect clothes when
using high pressure water to clean the machine.
z Clean in time to prevent dirt or mud splash into the eyes or slide and hurt when there is oil on the
machine.
z Do not use flammable scour when clean the machine.
z Shut the engine to clean the inner part of the machine, put all the levers (or handles) in the middle
position, push the parking brake switch and keep it at brake position.
z Do not let the water inject to the electric part (such as sensor, wire connector) or operator cab. If
so the operation may be disabled.
z Wear protect cloth and glass when use compress air to clean filter mesh.
8.9 Heavy Things
z Wear protect cloth, safety glass and safety helmet, put a copper bar between hammer and the part
being hit.
z If hit the hard part using hammer, such as pin and bearing, eyes may be hurt by flying particles.
z Use the tools and heavy things carefully, never fall.
8.10 Welding Repair
Electric welding needs special technique and proper equipment and place. No person is allowed to
weld without license, because gas may be generated during welding, fire and electric hit. Obey the
following notices:
z Switch off the polar of storage to prevent explosion.
z Switch off the connecting polar between transmission box and control board to prevent the pulse
current burn the control board for the machine with ZF control unit. Connect the polar of electric
control board, otherwise the machine may not be started and move.