Komatsu WA600-8 Operation & Maintenance Manual page 247

Wheel loader
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OPERATION
4.
Open cover (2) for the fuel tank filler port and DEF tank fill-
er port, and fix it with the bar.
5.
Turn the cap of filler port (3) counterclockwise.
The cap of filler port is opened.
6.
While watching sight gauge (4), add DEF through the filler
port until float (5) reaches line F (6).
Line (7) in the sight gauge indicates approximately 10 ℓ be-
low line F, and line (8) indicates approximately 20 ℓ below
line F.
Line (9) is the upper limit line for adding when DEF may
freeze in cold weather.
7.
After adding, align claw (10) of the cap with groove (11) of
the filler port and close the cap securely by turning it clock-
wise by 90 °.
8.
Release the lock of cover (2) for the fuel tank filler port and
DEF tank filler port, and close the cover.
REMARK
It is recommended to use a nozzle having a diameter and a length specified by ISO 22241-4 and an auto
stop function to add DEF. When the specified nozzle is used, the magnet installed inside the filler port of the
tank cancels the wrong fluid addition prevention device, and you can add DEF. This mechanism prevents
addition of DEF into the fuel tank, addition of fuel into DEF tank, and spill of DEF from the filler port.
When using a nozzle which is not conformed to ISO 22241-4, hold it in your hand and add DEF carefully
while checking the sight gauge.
Add DEF to the DEF tank indicated by blue cap.
METHOD FOR CHECKING TIRE PRESSURE
Measure the inflation pressure with tire pressure gauge while the tires are cool, before starting work.
Check the tires and rims for damage or wear, check the hub nuts (bolts) for loosening.
MACHINE OPERATIONS AND CONTROLS
3-179

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