Every 4500 Hours Maintenance; Every 5000 Hours Maintenance; Method For Cleaning Kdpf; Replace Kccv Hose - Komatsu PC290LC-11 Operation & Maintenance Manual

MAINTENANCE PROCEDURE
If there are any problems, the related parts must be replaced. Ask your Komatsu distributor for replacement.

EVERY 4500 HOURS MAINTENANCE

Maintenance for every 100, 250 and 500 hours should be performed at the same time.

METHOD FOR CLEANING KDPF

Contact your Komatsu distributor for cleaning of the KDPF.

REPLACE KCCV HOSE

Ask your Komatsu distributor for replacement of the KCCV hose.

METHOD FOR CLEANING DEF TANK

Ask your Komatsu distributor for cleaning of the DEF tank.

EVERY 5000 HOURS MAINTENANCE

Maintenance for every 100, 250, 500 and 1000 hours service should be performed at the same time.

METHOD FOR CHANGING OIL IN HYDRAULIC TANK

• Immediately after the engine is stopped, its parts and oil are still very hot and may cause burn in-
jury. Accordingly, wait until they have cooled down before starting the work.
• When removing the oil filler cap, the oil may spurt out. Rotate it slowly to release the internal pres-
sure, then remove it with care.
NOTICE
If the machine is equipped with a hydraulic breaker, the hydraulic oil deteriorates faster than in the nor-
mal bucket digging operation. Accordingly, perform maintenance referring to "MAINTENANCE INTER-
VAL FOR HYDRAULIC BREAKER (4-13)".
Refill capacity: 132 ℓ
Items to be prepared
• Container to receive drained oil
• Socket wrench handle
1.
Swing the upper structure so that the drain plug (P) on the
lower side of the suction tube comes to the middle of the
right and left tracks.
2.
Retract the arm and bucket cylinder rods, then lower the
boom to lower the tooth to the ground.
3.
Set the lock lever to LOCK position (L) and stop the en-
gine.
4-76
k k
WARNING
MAINTENANCE