Drive Belts; Checking - MerCruiser 3.0 MPI Owner's Manual

Tube Ref No.
2. Slide thrust hub onto propeller shaft, with stepped side toward propeller hub.
3. Install Flo‑Torq II Drive Hub into propeller.
NOTE: The drive sleeve is tapered and will slide fully into the propeller as the nut is
tightened and properly torqued.
4. Align splines and place propeller on propeller shaft.
5. Install drive sleeve and locking tab washer.
6. Install and torque the propeller nut.
Description
Propeller nut (minimum)
7. Bend three tabs on the tab washer down into the grooves in spline washer. After the
first use, bend the three tabs straight and retorque the propeller nut. Bend tabs back
down into spline washer. Check propeller at least after 20 hours of operation. Do not
operate with loose propeller.

Drive Belts

Inspecting the belts with the engine running may cause serious injury or death. Turn off
the engine and remove the ignition key before adjusting tension or inspecting belts.
a

Checking

1. Check the drive belt for excessive wear, fraying, glazed surfaces, or cracks.
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.
2. Inspect the drive belt for a proper tension of 6 mm (1/4 in.) deflection. Check the belt
tension by applying moderate thumb pressure on the belt at the longest distance
between the two pulleys.
90-899883272 MARCH 2008
Description
Anti-Corrosion Grease
94
2-4-C Marine Lubricant with
95
Teflon
c
a - Power steering pump pulley
b - Water circulating pump pulley
Where Used
Propeller shaft
Propeller shaft
WARNING
!
b
c - Crankshaft pulley
d - Alternator pulley
Section 5 - Maintenance
Part No.
92-802867Q 1
92-802859A 1
Nm lb‑in. lb‑ft
75 –
d
7170
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