PAGE 2.1 - 28 OPERATION MARK IV HD J2 TAMPER
REVISED 10 - 2020 CONTROLS BULLETIN 5082505
2.1
2.1.4 Control Panel - Left - See Figures 2.1-26 and 2.1-27
The Left Control Panel is located ahead of and to the left of the operator’s seat. The Left Control
Panel houses the following controls:
a. Push Switches Operation: To turn ON the switch function, press the switch so it
remains pushed IN and illuminates. To turn OFF the switch function, press the switch
again so it remains popped OUT and un-illuminated.
(1) - Ignition Key Switch
The switch controls the power to the engine Electronic Control Module (ECM).
Starting Engine:
a. MAKE SURE all Emergency Stop Switches on the machine are pulled out to RUN
position before attempting to start the engine or the engine will not start.
b. Insert the key into the switch and rotate the key switch clockwise to the 1st position
ON to enable the Engine Electronic Control Module (ECM) to allow the engine to be
started.
c. When the Engine Diagnostic Gauge displays the Main Operating Screen, rotate the
key switch clockwise to the START position and hold to crank the engine. As soon as
the engine starts, release the key switch.
d. DO NOT operate the starter motor for more than 30 seconds at a time. To do so may
overheat the starter. If the engine does not start the first time, wait at least 2 minutes
before trying again. If the engine does not start after three attempts, see
troubleshooting in the engine manual.
Stopping Engine:
a. Rotate the key in the Ignition Switch counter-clockwise to the OFF position to
shutdown the engine. The Diesel Exhaust Fluid (DEF) Purge Cycle will operate for
approximately two (2) minutes to clear the DEF line (as it is susceptible to freezing)
and to ensure proper storage of the power-down information in the engine Electronic
Control Module (ECM). After the Purge Cycle is completed, the engine ECM will
shutdown.
b. Earlier Models Only: The DEF Purge Cycle Indicator located in the Battery
Box will illuminate during the Purge Cycle and shut off after the Purge Cycle
is completed. DO NOT shut off the Master Disconnect Switch located in the
Battery Box when the DEF Purge Cycle Indicator is illuminated.
c. Later Models Only: The DEF Purge Cycle Indicator was removed on later models
and is no longer present. The engine Electronic Control Module (ECM) is wired such
that power is supplied to the ECM regardless of the Master Disconnect Switch
position.
d. Remove the key from the switch to keep the engine from being started.
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