Install New Small End Bushes; Assemble Pistons And Connecting Rods; Assemble Piston Rings - Simpsons SC213 Service Manual

SC213 Diesel Engines
REASSEMBLY

Install New Small End Bushes

The small end bushes are a press fit in the
connecting rods.
Press out the old bushes using a suitable drift.
Press in the new bushes using a suitable dolly / drift,
aline ensuring that the oil holes in the bushes coincide
with the holes in the top of the connecting rods.

Assemble Pistons and Connecting Rods

If removed pistons are to be used again they
should be re-fitted to the respective connecting rods.
Pistons should be fitted with the offset of combustion
bowl in the crown towards fuel injection pump side.
Ensure that the notches for holding the bearing in place
is on the FIP side
Offer the connecting rod to the pistons and
insert the gudgeon pin.
Fit the circlips on both sides of the piston.

Assemble Piston Rings

When fitting new rings to removed pistons, clean
out the piston ring grooves.
The pistons should be carefully examined for
bruising of the ring grooves and to ensure that the
rings move freely in their grooves.
1. Apply engine oil around the piston ring grooves.
2. Fit the helical coil spring on to the 3rd groove of
the piston.
3. Insert the latch into the coil spring aligning both
the ends.
Note:
The piston skirt should be examined and if there
is any scoring, the piston must not be used again.
Fig: M.9
Fig: M.10
Fig: M.11
Fig: M.12
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