21 Remove the
idler wheel (41) retainer ring. Retain
the sleeve washer, spring and shims. Lift away
the idler gear complete with cover and oil pump.
Also remove the thrust washer behind the idler
wheel.
22 Remove the locking plate (42) bolts. The bolts are
accessible behind the holes in the camshaft gear.
Lift out the camshaft (43), complete with gear and
governor weights.
NOTICE! Be careful to avoid damaging the bear-
ings, bearing tracks and camshaft lobes.
23 Remove the timing plate (44) with gasket.
24 Turn the engine upside down and remove the
sump, together with the external oil pipe. Remove
the oil strainer (45) and the oil suction pipe (46).
Remove the oil relief valve.
25 Scrape away the line of carbon at the top of the
cylinders, to facilitate removal. Remove the big
end bearing caps (47) and press the pistons out.
NOTICE! Check the markings on the big end
bearing caps.
26 Remove the locking screws (48) that hold the
main bearing caps. Carefully lift the crankshaft
out backwards, complete with caps.
NOTICE! Tape the crankshaft gear to protect the
bearing surfaces in the block during removal.
21-0 Engine Complete, General
54 47701798 05-2013 © AB VOLVO PENTA
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