Swing Internal Gear - Hitachi ZAXIS 120-6 class Operator's Manual

Swing Internal Gear

--- every 500 hours
d
CAUTION: Before lubricating the machine, lower the
bucket on the ground, stop the engine and pull the
pilot control shut-off lever to the LOCK position.
1. Remove cover (1) from upperstructure. Check if the
swing internal gear is properly lubricated by grease.
2. Please insert the scale (2) and check that the height (H)
of the grease amount of the swing internal gear is higher
than the reference value.
Depending on the model, the height may be different
depending on the inserted position. Please change the
inserting position when the height is greatly different.
Model
ZX120-6 class
ZX160-6, 200-6 class
ZX240-6, 300-6 class
ZX330-6 class
3. If it is insufficient, replenish the grease, pay attention to
the O-ring of the cover (1), install it downward, and then
start the engine. Please check the height (H) of grease
amount again after swinging a few times.
2
ZX240-6, 300-6, 330-6 class
MAINTENANCE
Grease Height (H)
16 mm
28 mm
5 mm
10 mm
H
MDC1-07-102
7-33
1
ZX120-6, 200-6, 240-6, 300-6, 330-6 class
ZX160-6 class
2
ZX120-6 class
2
ZX160-6, 200-6 class
MDC1-07-038
1
M104-07-002
H
MDC1-07-106
H
MDC1-07-107