Komatsu PC18MR-3, Operation & Maintenance Manual

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MAINTENANCE PROCEDURES
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4.9.4 MAINTENANCE EVERY 100 HOURS OF OPERATION
4.9.4.a LUBRICATION
WARNING
q
Do not turn the revolving frame during fifth wheel and swing pinion lubrication.
IMPORTANT
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Clean the grease nipples before using the grease gun and clean dirty grease leakage after lubrication.
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If the machine is used in difficult conditions, carry out this operation more frequently than usual.
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As a general rule, it is important to consider that each cylinder is provided with two grease nipples posi-
tioned on the couplings and that each pin serving as fulcrum point for a movement is provided with at
least one grease nipple.
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When running in a new machine, lubricate every 10 hours for the first 100 hours of operation.
LUBRICATING THE COMPONENTS OF THE SWING SYSTEM
NOTE
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When grease is injected to lubricate the swing pinion and fifth wheel, turn the revolving frame slowly to change
the position for greasing.
1. Carefully clean the grease nipples (1) and (2), and inject the
grease indicated in the lubricant chart using a grease pump
(see "4.4 FUEL, COOLANT AND LUBRICANTS").
2. After greasing, remove any trace of grease.
(1) Swing pinion (1 point)
(2) Fifth wheel (1 point)
LUBRICATING THE WORK EQUIPMENT
IMPORTANT
q
After carrying out digging operations with the equipment immersed in water, always lubricate the pins
that have been in contact with water..
1. Position the machine as shown in the figure, lower the work
equipment to the ground and stop the engine.
2. Carefully clean the grease nipples listed below, and inject the
grease indicated in the lubricant chart using a grease pump
(see"4.4 FUEL, COOLANT AND LUBRICANTS").
3. After greasing, remove any trace of grease.