Maintenance; Guides To Maintenance - Komatsu D155A-6 Operation & Maintenance Manual

GUIDES TO MAINTENANCE

GUIDES TO MAINTENANCE
Do not perform any inspection and maintenance operation that is not found in this manual.
Stop the machine on flat hard ground when performing inspections and maintenance.
CHECK SERVICE METER:
Check the service meter reading every day to see if the time has come for any necessary maintenance to be
performed.
KOMATSU GENUINE REPLACEMENT PARTS:
Use Komatsu genuine parts specified in the Parts Book as replacement parts.
KOMATSU GENUINE OILS:
For lubrication of the machine, use the Komatsu genuine lubricants. Moreover use oil of the specified viscosity
according to the ambient temperature.
ALWAYS USE CLEAN WASHER FLUID:
Use automobile window washer fluid, and be careful not to let any dirt get into it.
CLEAN OIL AND GREASE:
Use clean oil and grease. Also, keep the containers of the oil and grease clean. Keep foreign materials away from
oil and grease.
CHECK FOREIGN MATERIAL IN DRAINED OIL:
After oil is changed or filters are replaced, check the old oil and filters for metal particles and foreign materials. If large
quantity of metal particles or foreign materials are found, always report to the person in charge, and carry out
suitable action.
FUEL STRAINER:
If your machine is equipped with a fuel strainer, do not remove it while fueling.
WELDING INSTRUCTIONS:
Cut off power. Wait for approx. one minute after turning off the engine starting switch key, and then disconnect
the negative (-) terminal of the battery.
Do not apply more than 200 V continuously.
Connect grounding cable within 1 m (3.3 ft) of the area to be welded. If grounding cable is connected near
instruments, connectors, etc., the instruments may malfunction.
If a seal or bearing happens to come between the part being welded and grounding point, change the grounding
point to avoid such parts.
Do not use the area around the work equipment pins or the hydraulic cylinders as the grounding point.
OBJECTS IN YOUR POCKETS:
When opening inspection windows or the oil filler port of the tank to carry out inspection, be careful not to drop
nuts, bolts, or tools inside the machine.
If such things are dropped inside the machine, it may cause damage and/or malfunction of the machine, and will
lead to failure. If you drop anything inside the machine, always remove it immediately.
Do not put unnecessary things in your pockets. Carry only things which are necessary for inspection.
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MAINTENANCE