Komatsu D475A-5E0 Operation & Maintenance Manual page 387

MINING SPECIFICATION MACHINE MINING SPECIFICATION MACHINE
11. Open reserve tank cap (6), add coolant to the specified level
in reference to "CHECK COOLANT LEVEL, ADD COOLANT
(PAGE 3-88)", and then close cap (6).
12. Stop the engine, wait for approximately 3 minutes, add coolant
up to the mouth of the filler port, and tighten the radiator cap (3).
If a quick coupler is installed for draining the coolant or adding
water, use the quick coupler.
Quick coupler
Manufacturer: WIGGINS
Model: EC258AB
Mounting screw
Size: 1/2-14A NPT
6 - 48
ATTACHMENTS, OPTIONS ATTACHMENTS, OPTIONS