Komatsu PC490-11, Installation And Instruction Manual

Page: 384 / 492

• Method for checking oil level in engine oil pan, adding oil
• Method for checking electric wiring
• Method for checking fuel level, adding fuel
• Method for checking DEF level, adding DEF
• Method for checking working lamp
• Method for checking horn
EVERY 50 HOURS MAINTENANCE
METHOD FOR LUBRICATING WORK EQUIPMENT
NOTICE
If any abnormal noise is generated from any greasing point, perform greasing regardless of the greas-
ing interval.
Perform greasing every 10 hours for the first 50 hours operation on a new machine.
After the machine is subjected to digging work in the water, be sure to grease the wet pins.
Items to be prepared
Grease pump
1.
Park the machine on a level and firm ground, lower the
work equipment to the ground in the posture shown in the
figure, and stop the engine.
2.
By using a grease pump, pump in grease through the grease fittings shown by arrows.
(1) Arm-Link connection pin (1 place)
(2) Arm and bucket connection pin (1 place)
(3) Link connection pin (2 places)
(4) Bucket cylinder rod end pin (1 place)
(5) Bucket and link connection pin (1 place)
3.
After greasing, wipe off any old grease that is pushed out.
MAINTENANCE PROCEDURE MAINTENANCE
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