h - Belt routing diagram
CHECKING
Inspect the drive belt for:
• Proper belt tension deflection
• Excessive wear
• Cracks
• Fraying
• Glazed surfaces
• Proper tension
Use moderate thumb pressure on the belt at the location with the longest
distance between two pulleys.
Description
Deflection 13 mm (1/2 in.)
NOTE: Minor, transverse cracks (across the belt width) may be acceptable.
Longitudinal cracks (in the direction of belt length) that join transverse cracks
are not acceptable.
REPLACING
IMPORTANT: If reusing a belt, install it in the same direction of rotation as
before.
The belt tensioner operates within the limits of movement provided by the cast
stops when the belt length and geometry are correct. If the tensioner contacts
either of the cast stops during operation, check the mounting brackets and the
belt length. Loose brackets, bracket failure, accessory drive component
movement, incorrect belt length, or belt failure can cause the tensioner to
contact the cast stops. See your authorized MerCruiser dealer for service if
these conditions exist.
MAINTENANCE
78 eng
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