POWERHEAD
POWERHEAD ASSEMBLY
setting (one line showing). Rotate adjustment
knob 180° to lock in position.
1. Center position, one line showing
Secure restraining jaw "C" and forcing jaw "D" to
frame.
Restraining Jaw "C"
Forcing Jaw "D"
Apply a light coat of outboard lubricant to the cor-
ners of the connecting rod and rod cap. Place
frame on connecting rod using the following pro-
cedure.
•
Position frame onto the connecting rod so the
contact area of the jaw is centered on the side
of the rod.
220
•
Tighten forcing screw until jaws contact con-
necting rod.
•
Slide frame down until adjustment stop contacts
1
the rod cap. The groove lines on the jaws must
be centered on the rod/crankpin diameter.
•
Tighten the forcing screw to a torque of 14 to 16
in. lbs. (1.6 to 1.8 N·m).
1
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4
1. Contact area of jaw
2. Forcing screw
3. Adjustment stop
4. Groove line
IMPORTANT:
in position and that rod and cap are aligned.
Loosen both rod cap screws one-quarter turn.
21591
Use Torquing Socket, P/N 331638, to tighten rod
cap screws in three stages:
•
Apply first torque of 40 to 60 in. lbs. (5 to 7 N·m)
to both rod cap screws.
•
Tighten screws to a torque of 14 to 16 ft. lbs. (19
to 21.7 N·m).
•
Apply final torque of 30 to 32 ft. lbs. (41 to 43
N·m).
21594
Make sure that frame is squarely
3
2
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