body (4) by cloth or tape to guard against
ingress of dusts.
<If the secondary filter element is
installed>
To prevent the ingress of dusts into engine,
filter
do not take out the secondary
element (5).
6. Clean the inside of housing (4).
7. Clean primary filter element (3) by dry
compressed air (294~490kPa). Firstly,
blow along the wrinkles from the inside of
filter element. Then blow from outside and
finally blow from inside.
8. Illuminate the inside of primary filter
element (3) by a lamp to check. Upon
detection of any pinhole or dirt, replace.
9. Remove the cloth or tape used in step 5.
10. Install the primary filter element (3).
11. Install the dust collector (2) by facing
upward the “↑TOP↑” and then secure it by
clamp (1).
Checking of accelerator control
system
l The accelerator joystick and the speed
regulator on the engine side are connected
by wiring. Check the wires at their fixing
positions for presence of stretching and
looseness.
l If the wires at their fixing positions are
stretched or loose, there probably has a
malfunction.
l The replacement and adjustment of wires
require experiences. Please ask your sales or
service dealer for operations.
Cleaning of radiator fins and oil cooler
fins
Warning
While using compressed air, please wear
necessary protection appliances, including
goggles and filtration mask, as the metal
fragments and other objects will splash to
cause accidents of serious harms.
Important: Take cautions not to damage the
radiator fins during cleaning.
5-32
● While using compressed air or high
pressure water, ensure that the pressure
is no higher than 200kPa and keep the
air nozzle from the radiator for a
sufficient spacing.
Important: While cleaning by water, please
cover the electric system against water
Maintenance
Every 250h
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