Operation & Maintenance Manual──LG918 Wheel Loader
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1.11 Welding Guide
z Turn off the starting switch of the engine and remove the battery cables.
z Keep the distance between the grounding cable line and welding area more than 1m.
z Avoid welding near the seal rings and bearings.
z Never weld any pipe or tube while has fuel as or oil in them.
1.12 Fire Prevention
z Clean the parts with inflammable cleaner or light oil. Keep spark or cigarette light away from
them.
1.13 Sealing Part
z When replacing O-ring or gaskets, clean the clamp faces first, and make sure the O-ring and
gaskets are in the correct assembly position.
1.14 Checking the Frame
z After a long time of operation in rocky conditions, check for damage of the undercarriage and
loose or damaged between bolts and nuts.
1.15 Attention to Washing Machine
z Wash machine after complete cooling of the engine.
z Do not allow water to spray on any electric components.
1.16 Checking in Raining and Snowing Circumstances
z Clean the machine immediately after working in rain and snow. Lubricate and coat anti-rust oil to
other parts.
1.17 Dusty Circumstances
Do the following when the machine works in dusty circumstances:
z Inspect and clean air filter frequently to avoid blocking.
z Clean the radiator frequently to avoid blocking.
z Clean and replace fuel filter frequently.
z Clean the electric components, especially the starting motor and alternator, to avoid accumulation
of dust affecting dispelling heat.
z Refer to Operation and Maintenance Manual of diesel engine for replacing and
maintaining air filter.
1.18 Avoid Using Mixed Oil
z Never use oil mixed from different brands. If only a different kind of oil from the one previously
used, drain the oil from the machine, and fill with the new brand oil.
2. DETAILED RULES OF MAINTENANCE
2.1 Detailed Rules of Using Oil, Fuel and Coolant
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