Komatsu 830E-AC Shop Manual page 56

A decal plate is located on the frame near the left
hoist cylinder. It provides the operator or technician
with the hydraulic hook-up procedure before towing a
disabled truck, by using a functional truck for hydrau-
lic power.
This warning decal is located below the battery dis-
connect switches to warn personnel not to discon-
nect the batteries during the first 90 seconds after
turning the key switch off.
This decal is located on the automatic lubrication res-
ervoir informing the technician that the cover should
never be removed for filling purposes as there is
potential for dirt or debris entering the system.
Always fill the grease reservoir through the coupling
provided where the grease passes through a filter
before entering the reservoir.
A4-6 Warnings and Cautions A04059