Komatsu HB215LC-3, Operation & Maintenance Manual

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2.
Remove nut (2) of breather assembly (1) at the top of DEF
tank, then remove cover (3).
3.
Replace breather (4) with a new one.
4.
Install cover (3) and nut (2).
In order not to damage the threaded portion of nut, tighten
nut (2) by hand until it is seated, then tighten it 15 to 25° by
using a tool.
NOTICE
If breather assembly (1) is removed for replacement,
apply a tool to bolt (5) and tighten it.
Tightening torque: 6.5 to 8.5 Nm{0.66 to 0.87 kgm}
5.
Close DEF tank cover at the right of the machine.
METHOD FOR CHECKING FAN BELT TENSION AND REPLACING FAN BELT
Special tools are required for the inspection and replacement.
Ask your Komatsu distributor to perform this work.
REMARK
As the automatic fan belt tensioner is installed to this machine, no belt tension adjustment is required.
EVERY 2000 HOURS MAINTENANCE
Maintenance for every 100, 250, 500 and 1000 hours service should be performed at the same time.
METHOD FOR CHANGING OIL IN FINAL DRIVE CASE
k k
WARNING
• 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.
• If there is remaining pressure inside the case, the oil or plug may jump out. Loosen the plug slowly
to release the pressure.
• Do not stand in front of the plug when you loosen the plug.
Refill capacity (each of right and left) 5 ℓ
Items to be prepared
• Container to receive drained oil
• Handle
MAINTENANCE MAINTENANCE PROCEDURE
4-69