30
Twin Disc MG5075 – Engagement
1. Stop engine and remove the key from the key
switch.
2. Note to which solenoid valve (P or S) the wiring
marked “Primary” is connected. Detach the con-
nector from both solenoids.
3. Remove the covering nut on top of the solenoid
valve where the “Primary” cable was installed.
4. Press in button (A) on the solenoid and turn the
button half a turn clockwise until the catch point.
WARNING! After engagement the reverse
gear is locked for use Ahead and cannot
be disengaged with the control.
Twin Disc MG5075: Manual engagement
of reverse gear (safety system)
A. Pushbutton
P. Solenoid switch (Primary). Used normally for Ahead (forward)
movement
S. Solenoid valve (Secondary). Used normally for Astern (back-
ward) movement
Reverse gear emergency operation
On MPM and Twin Disc reverse gears with electroni-
cally operated shifting there is a safety feature for
manual engagement of Ahead (forward movement)
should a malfunction occur on the reverse gear sole-
noid valve.
MPM – Engagement
1. Stop engine and remove the key from the key
switch.
2. Note to which solenoid valve (P or S) the wiring
marked “Primary” is connected. Detach the con-
nector from both solenoids.
3. Press in button (A) on the solenoid where the
“Primary” cable was installed. Turn button half a
turn counter-clockwise to locked position.
WARNING! After engagement the reverse
gear is locked for use Ahead and cannot
be disengaged with the control.
MPM: Manual engagement of reverse gear
(safety system)
A. Pushbutton
P. Solenoid switch (Primary). Used normally for Ahead (forward)
movement
S. Solenoid valve (Secondary). Used normally for Astern (back-
ward) movement
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