Komatsu PC400LC-5 Operation & Maintenance Manual page 211

CLEAN STRAINER
1.
2.
3.
4.
5.
6.
7.
8.
Insert key 0 in cap 0, then turn the key counterclockwise to
release the lock.
Push cap @ down to release the pressure inside the tank.
Keep cap @ pushed down, turn counterclockwise, and remove
cap 0.
Remove snap ring @ and take out strainer 0.
Remove the dirt stuck to strainer 0, then wash it in diesel oil or
flushing oil. If strainer @ is damaged, replace it with a new part.
Install strainer @ and secure with snap ring 0.
Push cap @ down, and turn the cap clockwise.
Turn key @ clockwise to lock the cap, then remove key 0.
For type of oil to be used, see "20. USE OF FUEL, COOLANT AND
LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE".
NOTICE
When the hydraulic breaker is installed, the hydraulic oil dete-
riorates earlier than in normal bucket digging work. Therefore,
replace the hydraulic oil according to the chart at the right.
9. After replacing hydraulic oil and cleaning or replacing filter
element and strainer, bleed air from the circuit.
See "18.5 BLEEDING AIR FROM CIRCUIT".
F
=1500
J
&
z .-
El000
;
2 500
d
0 20 40 60 80 IO@
(When not
using breaker)
"$!$$g (When using
breaker (%)
breaker only)
AD098960
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