Triumph THUNDERBIRD 1952 - Fitting the Cylinder Block

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! Fitting Cylinder Block
which
is extremely small when compared with the damage which can result from a
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badly fitting circlip.
Lubricate the piston rings and skirts and turn the rings so
[hat the gaps do not coincide. Place the piston ring clrp
WE.. .' ? rings and allow
[he base of the pistons to rest on the forward top face of the crankcase (see.~i~.
21).
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Support the block in one hand and turn the crankshaft with the other, forcing the
piston up into the bores. As the pistons enter the bores, the piston ring clips will
fall
clear and can be withdrawn over the connecting rods. Guide the block over
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the base studs and then remove the wedges from the tappets. Fit the eight holding
nuts and securely tighten.
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Fig. 21.
FITTING THE CYLINDER BARREL
(Note the cork wedge
holding the tappets)
cylinder Block.
Greare the cylinder block base washer and
fit to the block.
Lubricate the tappet blocks and assemble the tappets. Place a rubber wedge between
tappet stems to prevent them faUing into the crankcase during assembly (see
~ig.
21). Liberally oil the cylinder bores and then lower the block over the pistons
untti the piston rings enter the bores.