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74
REGULAR CHECKS AND MAINTENANCE WORK
(1) Set bolt
(2) Filter support
(3) Return filter
(4) Cover
6. Fill oil through the oil filling opening on the top side of
the tank.
7. let the engine run for approx. 5 min. and check the oil
lever again.
A Should dirt deposits be in the hydraulic tank , remove
with the help of a clean cloth and light oil.
Hydraulic tank
Hydraulic oil volumes
Whole oil
volumes
(5) Suction filter
(6) Drain plug
(7) Bolt
(8) Breather filter
35 L
(9.2 US gal)
61 L
(16.1 US gal)
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
when hammers are used because the machine is
subject
to
harder
excavating work.
(2) Use only the recommended oils mentioned in the
operator's manual when changing or filling with
oil.
(3) When filling up oil, do not mix oils of different
makes.
2. Changing the return filter and oil
(1) The filter must be changed more often because of
contamination
resulting
assembly and disassembly of the hoses.
(2) Use the correct replacement filter.
(3) Oil change according to operating hours.
Hydraulic
oil
Normal
every 1000
excavator work
Hrs.
every 800
20%
Hrs.
every 400
40%
Hammer
Hrs.
work
every 300
portion
60%
Hrs.
every 200
more
Hrs.
conditions
than
normal
from
the
frequent
Return
Suction
filter
Filter
every 500
Hrs.
(250 Hrs.
after first
operation)
every 400
Hrs.
every 1000
Hrs.
every 200
Hrs.
every 150
Hrs.
every 100
Hrs.
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