1.
Prepare container for drain oil.
2.
Close fuel cut valve (A) placed on the halfway
of fuel filter line.
3.
Loosen air bleeder plug (1) and drain valve (2)
and drain fuel from fuel pre-filter.
4.
Fit the specified filter wrench to the lower side
of stiffening ribs and remove case (3).
Parts number: 2421R171
5.
Remove drain valve (2).
6.
Remove dirt and foreign matter from attaching
surface.
7.
Apply light oil to new O-rings (4), (6) thinly,
set it to case (3) and replace it with new
element (5).
8.
Fit case (3) to filter head by hand securely
and tighten it with filter wrench (Parts number:
2421R171).
C.
Replacing Pre-Filter
The pre-filter is placed on the area where the inside of door on the machine right rear.
-Do not reuse the element. Replace old O-rings.
-Be careful not to damage the O-rings by twisting.
-Check to see if the O-rings firmly contact to the sealing surface.
9.
Tighten air bleeder plug (1) and drain valve (2) and position the fuel cut valve (A) of fuel line to
"OPEN".
10.
Bleed air according to the air bleeding procedure for fuel system.
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4. MAINTENANCE
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