MAINTENANCE PROCEDURE MAINTENANCE
4-48
EVERY 100 HOURS MAINTENANCE 4
LUBRICATING 4
NOTICE
q Carry out lubrication for lubrication points 1-7 every 10 hours for the initial 100 hours on new
machines.
q After carrying out digging operations in water, always lubricate the pins that were under water.
1. Set to the greasing posture below, lower the work equipment completely to the ground, and stop the engine.
(For the 3.0 m arm, greasing posture (5C) is different. See REMARK on the next page for details.)
2. Using a grease pump, pump in grease through the grease fittings shown by arrows.
3. After greasing, wipe off any old grease that was pushed out.
(1) Boom cylinder foot pin (2 places)
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