Mercury 305 CID, Service Manual, Page: 886 / 967

HURTH DOWN ANGLE TRANSMISSION - 8C-3 90-823225--1 1096
General
The Hurth transmission is a “full power reversing”
transmission, allowing a standard (LH rotation) en-
gine to be used for both rotations. Propeller rotation
is determined by shift cable attachment at the remote
control.
! CAUTION
Avoid severe transmission damage. ALL Hurth
transmissions require standard left-hand rota-
tion engines. NEVER connect a Hurth transmis-
sion to a right-hand rotation engine.
IMPORTANT: Transmission propeller rotation is
determined by the shift cable installation in the
remote control.
•
RIGHT-HAND PROPELLER ROTATION - Con-
trol cable will have to be installed in remote
control so that cable end will move in direction
(A) when shift handle is placed in the forward
position.
•
LEFT-HAND PROPELLER ROTATION - Control
cable will have to be installed in remote control so
that cable end will move in direction (B) when shift
handle is placed in the forward position.
23242
A
B
72709
Shifting
Lever in
Position
Propeller
Rotation
Propeller
A
Opposite to
Engine Rotation
Right Hand
(RH)
B
Same as Engine
Rotation
Left-Hand
(LH)
Shift Cable Installation and
Adjustment
IMPORTANT: When installing shift cables, be
sure that cables are routed in such a way as to
avoid sharp bends and/or contact with moving
parts. DO NOT fasten any items to shift cables.
IMPORTANT: These Hurth transmissions are full
reversing transmissions. Direction of output/
propeller rotation is determined by hookup of
shift cable at remote control.
NOTE: Shift cable must be hooked up to remote
control before starting installation and adjustment
procedures.
For Standard Left-Hand Rotation – shift cable
hookup at remote control must result in shift cable
end guide moving in direction (B), when remote con-
trol handle is placed in forward position.
For Right-Hand Rotation – shift cable hookup at re-
mote control must result in shift cable end guide mov-
ing in direction (A), when remote control handle is
placed in forward position.
23242
A
B
1. Be certain anchor stud is installed in the hole
marked for transmission (Model 630A, or 800AM,
respectively).