AUXILIARY EQUIPMENT 24A
Wabco Compressors
To remove and to fit the
compressor and drive24A-01
Consumable products:
POWERPART Retainer (oil tolerant)
POWERPART Nutlock
To remove
The compressor and its drive housing can be
removed from the engine as an assembly or the
compressor only can be removed.
1 Drain the engine cooling system.
2 Release the air pressure in the air system and
disconnect all the pipe connections to and from the
cylinder head of the compressor.
3 Remove the lubricating oil pipe which is fitted
between the compressor and the engine cylinder
block.
4 If necessary, remove the power steering pump
from the rear of the compressor.
5 Remove the support bracket which is fitted
between the bottom of the compressor and the
cylinder block.
6 If the drive housing is to be removed, release the
setscrew that passes through the timing case from
the front (A1) and release the five setscrews which
are fitted through the compressor flange into the
timing case from the rear. If only the compressor is
to be removed, release the five setscrews which
are fitted through the compressor flange from the
rear and release the three setscrews which are
fitted through the drive housing flange from the
front.
7 Remove the compressor or the compressor and
its drive housing (A). Ensure that the dowel(s) (A3
or B1) are still in position.
Note: The latest engines have a stud in place of
the setscrew (A1). Most of the latest engines have
five studs in place of the five setscrews used to
fasten the compressor assembly to the timing case.
The dowel (A3) is not used on the latest engines.
Correct location of the drive assembly is now
controlled by a close tolerance hole for the stud at
the bottom centre position of the drive housing.
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PA283
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PA284
Perkins Phaser/1000 Series, April 1995 24A.03
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