Mercury 15 FourStroke - Corrosion Control Anode

MAINTENANCE
82
Assemble steering link rod to engine with bolt, locknut, spacer, and
flat washers. Torque the locknut to specifications.
a
b
b
c
d
e
b
f
31917
a - Bolt (12‑71970)
b - Flat washer
c - Spacer
d - Nylon insert locknut (11‑16147‑‑3)
e - Steering bracket
f - Nylon insert locknut (11‑16147‑‑3) (tighten until it seats,
then back off 1/4 turn)
Description Nm lb. in. lb. ft.
Nylon insert locknut "d" 27 239 20
Nylon insert locknut "f"
Tighten until it seats, then back off 1/4
turn
Corrosion Control Anode
Your outboard has corrosion control anodes at three different
locations. An anode helps protect the outboard against galvanic
corrosion by sacrificing its metal to be slowly corroded instead of
the outboard metals.