Wear eye protection when removing spring pin. You can be blinded if spring pin hits you in the eye.
Be careful when removing clutch dogs. Helical spring is under pressure and personnel can be blinded if struck in the eye by flying helical spring.
Upper and lower clutch assemblies are identical except that right hand clutch dogs on the upper clutch assembly point in a clockwise direction and left hand clutch dogs on the lower clutch assembly point in a counterclockwise direction.
The following procedure is written for the upper clutch assembly, but also applies to the lower clutch assembly.
DISASSEMBLE UPPER CLUTCH ASSEMBLY.
a. Place upper clutch assembly (1) in vise with vise jaw caps with one right hand clutch dog (2) at the top.
b. Tap spring pin (3) out of right hand clutch dog (2). Discard spring pin.
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