Briggs & Stratton 115400, Manual

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212
11
Oscillating Counterweight System
(260700, 261700)
Removal/Disassembly
1. Remove cylinder cover. See SECTION
10- CYLINDERS, COVERS AND
SUMPS.
2. Turn crankshaft to align timing mark on
gear ( A ) with timing mark on camshaft
( B ).
3. Remove camshaft ([ C ] Fig. 11).
Fig. 11
4. Remove crankshaft timing gear ( D ) and
counterweight assembly ([ E ] Fig. 12).
Fig. 12
5. Remove snap ring ( F ) from link pin bore
( G ), and push out link pin ([ H ] Fig. 13).
6. Remove connector link ([ I ] Fig. 13).
Fig. 13
Inspect Counterweight Assembly (260700,
261700)
Inspect the following counterweight components
for damage or wear. Replace parts as
necessary. Refer to Fig. 13.
• Pivot Shaft Bearing ( J )
• Pivot Shaft ( K )
• Link Pin Bore ( G )
• Link Pin ( H )
• Connector Link Pin Bearing ( L )
• Connector Link Eccentric Bearing ( M )
• Connector Link ( I )
For reject dimensio ns, see SECTION 14-
ENGINE SPECIFICATIONS.
Assembly/Installation Counterweight
Assembly
1. Attach connector link to counterweight
with link pin.
2. Install snap ring into groo ve of
counterweight link pin bore.