Serpentine Drive Belt; Checking - Mercury 4.3 MPI SeaCore Operation & Maintenance Manual

Section 4 - Maintenance
11. Apply Loctite 271 Threadlocker onto the propeller shaft anode screw threads.
b
c
d
f
e
Tube Ref No.
Loctite 271 Threadlocker
7
12. Secure the propeller shaft anode to the propeller shaft with the propeller shaft anode screw and washers. Tighten the
anode screw to the specified torque.
Description
Propeller shaft anode screw 38 mm (0.3125‑18 x 1.5 in.) long

Serpentine Drive Belt

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.
d
a
With a seawater pump
a - Idler pulley
b - Water circulating pump pulley
c - Crankshaft pulley
d - Alternator pulley
e - Seawater pump pulley
f - Power steering pump pulley

Checking

Inspect the drive belt for proper tension and for the following:
• Excessive wear
Page 72
Description
a
b
f
c
e
6116
a - Propeller
b - Rear propeller nut
c - Propeller shaft anode
d - Propeller shaft anode screw
e - Flat washer
f - Star washer
a
5303
Where Used
Propeller shaft anode screw threads
WARNING
!
d
Without a seawater pump
Nm lb‑in.
27 –
a
b
6117
c
90-8M0113859 DECEMBER 2015
eng
Part No.
92-809819
lb‑ft
20
f