Westerbeke 9.0 BCG Technical Manual page 87

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11. Remove the piston pin from each piston and connecting rod assembly using the piston pin removal tools
(special service tools # 37731 and # 37732 for the BCG 4.0KW, the BCG 6.5KW and the BTG 9.0KW en-
gines) as follows.
@Long
Piston pin
®Small
A. Attach the fitting piece (2) into the main body (1).
B. Place the spring (3) and the small bar (5) into the main body (1).
C. Position the piston/rod assembly on the main body (1).
D. Insert the large bar (4) into the piston over the piston pin.
E. Use a soft-metal pin punch or a bearing press to drive the piston pin from the piston.
NOTE: Take care to keep the related pins and pistons in their proper order so that the pins are
replaced in the same pistons from which they were removed, and the pistons replaced in the
same cylinders from which they were removed.
12. Remove the crankshaft's bearing caps.
13. Remove the crankshaft.
14. Remove the crankshaft's bearing sets and the No.3
thrust bearing.
NOTE: the crankshaft's bearing sets must be kept
in proper order so they can be reassembled in the
same locations from which they were removed.
15. Remove the studs and other small parts as required.
81 Westerbeke Generators