Komatsu D61EX-24 Operation & Maintenance Manual page 218

OPERATION
10. While watching sight gauge (3), add DEF through filler port
(2) until float (4) reaches line F (5).
Line (6) in the sight gauge indicates approximately 5 ℓ
{1.32 U.S.Gal} below line F, and line (7) indicates approxi-
mately 10 ℓ {2.64 U.S.Gal} below line F.
Line (7) is the adding line when DEF may freeze in cold
weather.
11. Close the DEF tank filler port cap (2) by turning it clockwise (C).
Align the claw (8) of the cap with groove (9) of the filler
port and close the cap securely by turning it clockwise by
90 °.
MACHINE OPERATIONS AND CONTROLS
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