3 – 26
MAINTENANCE
10. F i l l t h e h y d r a u l i c t a n k w i t h o i l . S e e
Recommended Lubricant Table.
11. Start and operate the engine at idling speed for
2~3 minuets.
12. Operate the control levers to allow the hydraulic
oil to circulate through all hydraulic circuits.
13. Lower the bucket to the ground with the arm and
bucket cylinder fully retracted and stop the engine.
14. Maintain the oil level between
FULL
and
ADD
marks on the level gauge
j
.
15. Pressurize the hydraulic tank.
Raise the boom with the arm, boom and bucket
cylinder fully extended.
Remove the fill plug
c
and then install fill plug
again.
16. Lower the bucket on the ground and stop the
engine.
Hydraulic Oil Change Intervals for Breaker
Works.
Hydraulic oil should be changed in every 500
service hours.
CAUTION
1000HOURS
Fill plu
g
Level
g
au
g
e
H
L
B
uck
e
t
pos
i
t
i
on
at
th
e
t
i
m
e
o
f
ch
e
ck
i
n
g
th
e
hydrau
li
c
o
il le
v
el.
B
uck
e
t
pos
i
t
i
on
at
th
e
t
i
m
e
o
f
s
e
a
li
n
g
o
ff
hydrau
li
c
tank
.
