Auto-Lubrication System - Hitachi EX1900-5 Operator's Manual

Auto-Lubrication System

The machine is equipped with auto-lubrication system for
the front attachment joint pins, swing bearing and center
joint.
Checking Indicator Pins
IMPORTANT: The auto-lubrication system is equipped
with injectors (3) for greasing. Check in-
dicator pins (2) of injectors (3) every day
to confirm that greasing is done cor-
rectly. Also, check grease piping for
leakage.
1. Move auto-lubrication toggle switch (1) to the MAN-
UAL position. Check that the grease pump begins op-
erating and indicator pins (2) retract.
2. Move auto-lubrication toggle switch (1) to the AUTO
LUB. position. Indicator pin positions are as follows:
Indicator pins (2) are retracted while the grease pump
is operating.
Indicator pins (2) are extended while the grease pump
is stopped.
NOTE: The stroke of pin movement differs depending
on the greasing volume of injectors (3).
MAINTENANCE
2
3
7-105
1
M18C-07-011
M145-07-029
2
3
M117-07-173