Westerbeke 9.0 BCG Technical Manual page 150

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1. If the cylinder head had its valve guide bushings
removed, insert new valve guide bushings using the
special service tool [SST] # 37726. Replace the plate
washer.
2. NOTE: For this step, temporarily insert the rocker arm
shafts (see step# 4). Insert a valve, compress the
valve springs, using special service tool #37726, and
install the spring retainer locks. Repeat this process for
each valve.
3. Install the camshaft and timing belt pulley. During the
installation, the camshaft can be prevented from rotat-
ing by inserting a screw driver through the opening of
the pulley. Tighten the timing belt pulley bolt between
21.7 to 32.5 Ib-ft (3.0 - 4.5 kg-m).
Westerbeke Generators 144