Westerbeke 7.0 KW BGC -60Hz Technical Manual page 87

3. Using a feeler gauge, measure the tip clearance
of the drive and driven gears.
Tip Clearance:
STO 0.0067 - 0.0094 in. (0.17 - 0.24 mm)
Limit 0.0138 in. (0.35 mm)
4. Using a feeler gauge and flat block, measure the
side clearance as shown.
Side Clearance:
STO 0.0014 - 0.0028 in. (0.035 - 0.07 mm)
Limit 0.0059 in. (0.15 mm)
5. Using a feeler gauge, measure the clearance
between the drive gear and body.
STO 0.0024 - 0.0047 in. (0.06 - 0.12 mm)
Limit 0.0098 in. (0.25 mm)
6. Using a screw driver, pry out the oil seal.
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Westerbeke Generators