TACHOMETER / HOURMETER
THE NEW MODEL OF THE TACHOMETER/HOURMETER ALLOW THE POSSIBILITY TO USE THE
MAINTENANCE METER TO ALERT MAINTENANCE PERSONNEL THAT A TIME INTERVAL HAS
EXPIRED AND SERVICE SHOULD BE PERFORMED ON THE ENGINE.
INTRODUCTION
The ENGINE MONITOR is a self powered LCD
Hourmeter/Tachometer and Maintenance Meter. An
internal lithium battery furnishes the power for the
monitor. A wire around the spark plug wire of the engine
provides both a tachometer signal and an indicator that
the engine is running. The maintenance meter is used to
alert maintenance personnel that a time interval has
expired and maintenance should be performed on the
engine. Before changing any setting to the ENGINE
MONITOR, ensure that the engine is Off.
INSTALLATION
Unpack and attach the unit to a location where it can be easily read. Uncoil the shielded wire and wrap 3
or 4 turns of the red wire around the engine’s spark plug wire. The with wire must be attached to the
engine’s frame. The LCD will be blank because the ENGINE MONITOR is in its storage or sleep mode.
With the engine off, press and hold the S1 button for 1 second to activate the monitor. This one time
action will remove the ENGINE MONITOR from the sleep mode and turn it on. The LCD will display the
accumulated hours on the hourmeter and a HOURS icon.
TO SET THE MAINTENANCE INTERVAL TIMER
Press and hold down the S2 button for 4 seconds. The right most digit on the LCD Will flash and the
service icon will be displayed. Pressing and holding the S1 button will cause the flashing digit to
automatically increment. When the desired number has been reached release the S1 button and press
the S2 button for 1 second to increment to the next digit. Repeat above steps until the service time
interval has been entered. After 14 to 16 seconds with no buttons pressed, the LCD display will return to
total hours mode.
ACTIVATING THE MAINTENANCE INTERVAL TIMER
Press and hold the S1 and S2 button simultaneously for 20 seconds. The two digits will increment to 20
seconds and then return to total hours mode. When the engine is running and the maintenance time has
reached zero, the service icon will come on.
VIEWING MAINTENANCE INTERVAL
Press and hold the S2 button for 4 seconds to view remaining time of your maintenance interval . To
continue current maintenance do nothing. If you would like to start a new maintenance interval, repeat
steps 4 & 5 again. Each time you want to view the remaining time of your maintenance, press and hold
S2.
RESETTING THE SERVICE ICON
Press and hold the S1 and S2 buttons for 20 seconds. The service icon will shut off. The maintenance
time will automatically default to the number previously programmed.
TO DISPLAY HOURS ONLY
Press and hold the S1 button until 04 is displayed. Release the S1 button and the display returns to total
hours after 8 to 10 seconds. When the engine is running the display will show hours only, no RPM and the
Hour Icon will blink.
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