Assemble Piston And Connecting Rod; Install Piston And Connecting Rod - Briggs & Stratton 106200 Repair Manual

Assemble Piston and Connecting Rod

1. Install a new piston pin retainer (Q) into one groove in
piston bore (K).
2. Oil the piston pin bore (K), connecting rod pin bore (J),
and the pin (R). Insert rod into piston, then slide pin
through piston and rod bores until it seats against the
retainer.
Note: The arrow on the piston must point to the oil hole on
the rod. When installed in engine, the arrow must point
toward the push rods.
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3. Install a new piston pin retainer into groove on open
side of piston pin bore. Ensure retainers are firmly
seated in grooves.
4. Install the bottom oil control ring (M) by hand as follows:
• Grasp one end of lower steel rail and wind it over
the top ring groove, then into the center ring groove,
and finally into the oil ring groove.
• Install the spring expander on top of the lower rail,
and then install the upper steel rail.
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5. Using Piston Ring Expander #19340, install the center
oil wiper ring (N), and then the top compression ring
(P). Follow the orientation noted at time of disassembly,
or use the instructions provided if installing a new ring
set.
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Install Piston and Connecting Rod

1. Thoroughly clean and oil cylinder bore, crankpin journal,
piston skirt and inside wall of ring compressor.
2. Rotate crankshaft (F) until crankpin journal is at bottom
of stroke.
3. Using Ring Compressor Tool #19070 or #19230, install
piston (K) with arrow pointing toward valves, taking care
not to damage crankpin journal or connecting rod
bearing.
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