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REGULAR CHECKS AND MAINTENANCE WORK
To avoid personal injury:
A Do not operate the excavator while putting out
the hands and the body from the windows.
A Do not touch the control levers and the pedals
from outside the cab during the engine
running.
EVERY 50 SERVICE HOURS
BDraining Fuel Tank
To avoid personal injury:
A Before draining the fuel tank, be sure to stop
the engine and remove the key.
A Do not smoke during inspection.
1. Open the cover.
2. Open the drain cock.
(1) Cover
(2) Drain cock
(A) Open
(B) Close
REGULAR CHECKS AND MAINTENANCE WORK
BDraining Water Separator
[Checking and Draining]
Water and dirt contained in fuel will settle down in the
water separator. When such foreign substances are
deposited, set the water separator handle to the
"CLOSE" position. Loosen the top screw first and then
the bottom cock to let the foreign substances out of the
separator.
Finally be sure to air-bleed the fuel system.
[Cleaning]
1. Set the water separator handle to the "CLOSE"
position.
2. Loosen and remove the cup proper, and clean its
inside with light oil.
3. Tighten up the cup proper.
(1) Ring nut
(2) Cup
(3) Water separator handle
(4) Line
(5) Float
(6) Cock
A As water is collected, the red float goes up.
When the float has reached the specified line,
immediately drain the water separator.
A In reattaching the water separator, be careful to keep
off dust and dirt.
A Be sure to purge the fuel system before getting the
machine restarted.
(See "PURGING OF THE FUEL SYSTEM" in
"OTHER
CHECKS
section.)
(A) Close
AND
REPLACEMENTS"
71
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