Hydraulic Oil Check With Hydraulic Hammers - Kubota KX057-4 Operator's Manual

82 REGULAR CHECKS AND MAINTENANCE WORK
4. Retighten the drain plug.
(1) Oil filling plug
(2) Pin
(3) Suction filter
(4) Drain plug
5. Fill oil through the oil filling opening on the top side of
the tank.
6. Let the engine run and operate the boom, arm, bucket
and boom swing device. Then bring the boom to the
highest position, pull the arm, bucket inward and boom
swing left end.
7. Fill oil again up to the center of the gauge.
Hydraulic tank
Hydraulic
oil volumes
Whole oil volumes
8. Install the hydraulic tank cover and tighten the oil filling
plug.
BHydraulic Oil Check with Hydraulic
Hammers
The hydraulic oil change after 1000 operating hours in the
operator's manual is based on normal excavator work.
Following inspection measures are valid when hydraulic
hammers are used:
1. Changing and filling up of hydraulic oil
(1) The hydraulic oil must be changed more often
(2) Use only the recommended oils mentioned in the
(3) When filling up oil, do not mix oils of different
2. Changing the return filter and oil
(1) The filter must be changed more often because of
(2) Use the correct replacement filter.
(3) Oil change according to operating hours.
45 L
Normal
excavator work
79 L
Hammer
work
portion
when hammers are used because the machine is
subject to harder conditions
excavating work.
operator's manual when changing or filling with
oil.
makes.
contamination resulting
assembly and disassembly of the hoses.
Hydraulic
oil
every 1000
every 1000
(250 Hrs.
Hrs.
after first
operation)
every 800 every 800
20%
Hrs.
every 400 every 400
40%
Hrs.
every 300 every 300
60%
Hrs.
every 200 every 200
more
Hrs.
than normal
from the frequent
Return Suction
filter Filter
Hrs.
Hrs.
every 1000
Hrs.
Hrs.
Hrs.
Hrs.