Regal 53 SC Owner's Manual page 193

CUMMINS DIESEL IGNITION SWITCH
The Cummins ignition switch design features a 4 position
footprint from left to right. The key should be facing up
and down when inserted in the switch which is the OFF
position.
Note that the fi rst detent position after OFF is non-
functional. The next positions turning the key from left
to right are the ON, and START positions.
To start an engine, turn the key to the right spring loaded
START position. When the engine starts release the key.
It will spring back to the ON position. Do not crank the
engine over 20 seconds as damage to the starting system
may result.
To stop the engine, turn the key to the OFF position.
NOTICE
TO PREVENT ELECTRICAL SYSTEM
DAMAGE, NEVER TURN "OFF" THE
BATTERY SWITCHES WITH THE
ENGINE(S) RUNNING.
NOTICE
WITH THE ELECTRIC BATTERY SWITCHES
IN THE "OFF" POSITION
THERE IS NO POWER TO THE DASH
KEY SWITCHES.
WARNING
!
TO PREVENT FIRE, EXPLOSION, PERSONAL
INJURY AND/OR PROPERTY DAMAGE
NEVER USE STARTING FLUID
TO START AN ENGINE.
!
PREVENT SEVERE INJURY OR DEATH!
SHUT OFF IGNITION SWITCHES
NEAR SWIMMERS
TO AVOID ROTATING PROPELLER BLADES.
4
Chapter 5
DANGER