Drive Belt - Mercury HP 500 EFI Bravo XR/XZ/III User Manual

Drive Belt

Make sure engine is shut off and ignition key is removed be-
fore inspecting belts.
Drive belt must be periodically inspected for condition and tension.
Check for tension at location shown.
1 Inspect drive belt for proper tension and for the following:
•
Excessive wear
•
Cracks
•
Fraying
•
Glazed surfaces
•
Use a belt tension tool on the belt at location indicated by arrow
to check for correct belt tension.
NOTE: Minor, transverse cracks (across the belt width) may be ac-
ceptable. Longitudinal cracks (in direction of belt length) that join
transverse cracks are NOT acceptable.
If drive belt needs replacement, see your Authorized MerCruiser
Dealer.
Drive Belt Routing and Tension
IMPORTANT: Drive belt must be routed as shown or damage
may result.
2 Loosen the 5/8 in. locking nut on adjustment stud. Leave the
wrench on the adjustment nut.
3 Install the belt tension gauge onto the belt.
4 Use a 5/16 in. socket and tighten adjusting stud until the belt ten-
sion conforms to the correct setting on the gauge (See specs).
5 Hold the adjustment stud and tighten the 5/8 in. locking nut.
6 Remove the belt tension gauge from the belt.
7 Run the engine for a short period of time and recheck tension.
500 EFI Bravo
MAINTENANCE
WARNING
111