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Operation
3.3 Operate Mode/Waterblasting
System Startup Procedure
Shifting To Operate Mode
The Startup Procedure to shift the truck from
Drive Mode to Operate Mode and activate the
waterblasting systems is slightly dierent for
trucks equipped with an automatic transmission
than for trucks with a manual transmission. Proce-
dures A and B in the following instructions provide
separate general instructions for both types of the
transmissions. Always refer to the placard on
the back of the visor in the cab for specic
startup and shutdown instructions for your
truck.
A. Startup procedure to engage Operate
Mode on trucks with an automatic transmis-
sion:
1. Make sure all switches and speed dials are in
the OFF position or set at 0.
2. Be sure the truck transmission is in “N”, (NEU-
TRAL) position and the park brake is set.
3. Start truck engine and allow it to run at idle
speed.
Typical Automatic Transmission
START UP/SHUT DOWN PROCEDURE Placard On Visor
DRIVE
MODE
OPERATE
MODE
Console Switch Panel Showing Charge Pump, 40K Clutch, & PTO Switches
4. Press the brake pedal and release the park
brake.
5. Verify the green Drive Mode LED light is lit.
6. Make sure the truck is not moving, then turn
the console PTO switch ON and listen for the
PTO to engage. Wait 10 seconds for the green
Drive Mode light to go OFF and the red Operate
Mode light to turn ON.
7. Turn the Mode switch ON.
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