Komatsu D31EX-21, Operation & Maintenance Manual, Page: 99 / 256

OPERATION
EXPLANATION OF COMPONENTS
3-47
TOOL BOX 3
The tool box is inside the battery inspection cover at the rear
right.
Keep the tools in this box.
GREASE PUMP HOLDER 3
Set the grease pump in the grease pump holder clamp at the
rear inside the battery box at the rear right, then secure it in
position with the rubber band.
After using, wipe off all the grease from the outside of the
pump.