Komatsu 06253 Operation & Maintenance Manual page 225

Hydraulic mining shovel
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OPERATION
Legend for illustration Z26076
16
Oil evacuation and filling adapter for engine oil pan.
Monitor oil level at level gauge.
17
Radiator coolant draining and filling adapter. Monitor
coolant level at radiator sight gauge.
NOTICE
The two-loop type cooling system of the engine
is equipped with two radiators. One radiator for
the engine crankcase and cylinder heads and
one radiator for the low temperature aftercooler
(LTA) system. The radiators are connected with a
pipe on the bottom side. This pipe contains a
check valve which allows coolant flow from rear
radiator to the front LTA radiator only. For drain-
ing the coolant from the front mounted LTA radi-
ator, it is necessary to open the shut-off cock in
the draining/filling hose line just below the radia-
tors. Refer to the engine Operation and Mainte-
nance Manual in volume 2 binder for the
maintenance instructions of the cooling system.
Be sure to close the shut-off cock on the bottom
side of the radiators as soon as the maintenance
of the cooling system is finished.
18
Engine oil evacuation and filling adapter for the reserve
tank. Observe the indicator lamp (10).
Refilling Procedure:
REMARK
Refer to Maintenance section 4, for the correct lubricant spec-
ifications and filling capacities.
For Engine Lubricants and Coolants refer to the separate Engine
Operation & Maintenance Manual in volume 2 binder.
1. Connect supply lines to the respective adapters.
2. Monitor the respective fluid/lubricant level at the indicator
lights (6, 7, 8, 9 and 10).
3. After finishing the refilling operation, cover the adapters with
the protection caps provided and swing back hydraulic ser-
vice arm (3) to its home position.
4. Recheck fluid levels before operating the machine.
3.19 CENTRAL REFILLING SYSTEM
225

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