Komatsu WA480-8, Руководство по эксплуатации и техническому обслуживанию

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• Check the general control function according to the following procedure.
1.
Start the manual lubrication mode.
2.
Check the function of the control unit and system components.
• Check the system components for leakage and damage.
Perform the check periodically.
• Check the bearings visually.
Check that the bearings have been lubricated properly.
• Before reaching “MIN” mark, refill the grease tank with grease to “MAX” mark.
The grease amount between the marks “MIN” and “MAX” is approximately 4.8 ℓ.
By using the factory settings, filling is enough for at least 50 hours.
If the lubrication settings have been changed or some additional lubrications have been performed, check
the grease level earlier.
Depending on the machine equipment, there are following possibilities to refill the grease tank.
(1) Taper type grease nipple
(2) Filling port
(3) Filling cylinder
The fittings must be free of dirt.
The transparent grease tank allows visual fill level control.
CHECKS BEFORE STARTING
For details of the following items, see the pages where they are explained.
Checks before starting engine
“METHOD FOR WALK-AROUND CHECK (3-156)”
• Check for damage, wear, play in work equipment, cylinders, linkage, and hoses
• Remove dirt and debris from the center hinge portion
• Remove dirt and debris from around the engine, battery, and radiator
• Check around the engine for leakage of coolant, oil, and exhaust gas
• Check the fuel line for leakage
• Remove dirt and check DEF line for leakage
• Remove dirt from around the aftertreatment devices
• Check around the aftertreatment devices for exhaust gas leakage
• Check KCCV piping for gas leakage and oil leakage
• Check around SCR for exhaust gas leakage
• Check transmission case, axle, hydraulic tank, hoses, and joints for oil leakage
• Check brake line for oil leakage
• Check the tires, wheels, and wheel hub bolts and nuts for damaged and wear, and check the wheel hub-
bolts and nuts for looseness
• Check the handrails and steps for damages and check the bolts for looseness
• Check the gauges and monitor for problem
• Check and clean the rearview mirrors
• Check and clean the camera
• Check the air cleaner mounting bolts for looseness
• Check battery terminals for looseness
• Check the seat belt and mounting hardware
• Clean cab windows
• Check the tires
MAINTENANCE PROCEDURE MAINTENANCE
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