MCM MODELS - BRAVO AND BLACKHAWK DRIVES WITH DRIVESHAFT EXTENSION SERVICE MANUAL NUMBER 23
Page 2B-10 90-861326--1 MARCH 1999
8. Relieve hoist tension from engine, then slide engine fore or aft as needed to obtain 1/4
in. (6.4 mm) between flange shoulder and extension shaft housing bearing, as shown.
72591
b
a
c
a-Flange Shoulder
b-Bearing
c-1/4 In. (6 mm)
9. Position engine for correct engine and drive shaft lateral alignment as follows:
a. Measure the length of “a” and “b” to the centers of bolt holes. They MUST BE
EQUAL. If they are not equal, slide the aft and forward ends of the engine equal
amounts in opposite directions to obtain equal lengths for “a” and “b.”
70246
a
b
These Dimensions Must Be Equal
b. Recheck Step 8. If Step 8 is not as specified, adjust and recheck Step 9a. Continue
this process until both Steps 8 and 9a are as specified.
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