INSTALLATION
90-888438 JUNE 2002 Page 1D-11
Steering Helm and Cable
STEERING HELM
The steering helm must limit steering cable travel to 3.50 ± .10 inches (88.9 ± 2.5 mm).
WARNING
Failure to limit steering cable travel at the helm could pre-load the cable resulting
in premature failure of a steering component causing loss of steering. This loss of
steering could cause property damage, personal injury or death.
STEERING CABLE
The steering cable to be used MUST MEET the following criteria:
• 60 Series Steering Cable
• 60 Series bulkhead fitting at output end
• Allow for a minimum of 3.75 inches (95.3 mm) of travel.
• Cable end at pump must allow for a 5/16 in. threaded adaptor shouldered thru-bolt and
lock nut to connect the cable to the steering arm.
• A means of attaching and locking the cable to the steering cable bracket (provided).
• Protected against water intrusion and/or corrosion as the cable end (at the pump) is sub-
mersed in water with the boat at rest.
• The steering cable should be able to withstand the steering loads imparted on it by the
rudder.
A locking tab is provided by Mercury to be used with the steering cable having threads and
locknuts located 11.31 inches (287 mm) from cable end at pump with cable at center of
travel.
Follow steering cable adjustment procedure for proper adjustment.
METHOD FOR CONTROLLING LOCATION AND SIZE
Mercury Marine recommends that the tunnel opening be done as a part of the manufacture
of the tunnel. This will ensure consistency of location as well as size.
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