Checking The Crankshaft Timing Belt Pulleys; Replacing Front And Rear Crankshaft Oil Seals - Westerbeke 9.0 BCG Technical Manual

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Checking the Crankshaft Timing Belt Pulleys
Measure the outside diameter of both the
crankshaft and camshaft pulleys. Replace those
pulleys that have worn beyond the allowable limit.
Crankshaft Pulley
Specified Limit: 2.3331 - 2.3370 inches
(59.26 - 59.36 mm)
Allowable Limit: 2.3307 inches (59.20 mm)
Camshaft Pulley
Specified Limit: 4.7189 - 4.7260 inches
(119.86 - 120.04 mm)
Allowable Limit: 4.7165 inches (119.80 mm)
Replacing Front and Rear Crankshaft Oil Seals
1. Remove both front and rear oil seals with a
screwdriver. Be careful not to scratch the jour-
nal that holds the seal.
Front Oil Seal
Rear Oil Seal
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Westerbeke Generators