18 ASPIRATION SYSTEM
Open engine breather
Open breathers fitted to some 1000 Series engines
have a pipe connected to the rocker cover which
passes crankcase emissions directly to
atmosphere. Other Phaser and 1000 Series engines
are fitted with a gauze filter which separates oil
particles from the crankcase emissions.
To remove, to fit and to clean18A-05
Consumable products:
POWERPART silicone rubber sealant
To remove
1 Release the clip, disconnect and remove the
pipe from the breather cover. Release the two
setscrews (A1). Remove the setscrews and their
sealing washers (A2). Remove carefully the cover
(A3) with a suitable lever to break the seal between
the cover and the body of the breather. Ensure that
the lever does not damage the cover. Ensure that
the sealing washer under the head of each
setscrew is not lost.
2 Use a suitable lever to remove carefully the
gauze (A4). Do not damage the gauze.
To clean
1 Wash the gauze, the cover, and the breather
pipe in an approved cleaning fluid and dry them
with compressed air at low pressure.
2 Remove the old sealant from the groove (A6) in
the body of the breather. Ensure that the old
sealant does not enter the engine. Ensure that the
holes (A5) in the breather body are not restricted
and, if necessary, clean the holes.
To fit
1 Put the gauze carefully into position in the body
of the breather. Apply a bead of Perkins
POWERPART silicone rubber sealant to fill the
groove in the body of the breather.
2 Put the cover in the correct position on the body
of the breather. Inspect the sealing washers and, if
necessary, renew them. Fit the sealing washers to
the setscrews. Fit the setscrews and tighten them
to 9 Nm ( 7 lbf ft ) 0,9 kgf m. Clean off excess
sealant from around the cover.
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PA035
3 Check that there is no restriction in the breather
pipe. Fit the breather pipe to the cover and tighten
the clip.
18A.12 Perkins Phaser/1000 Series, April 1995
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