93
Operation
4. Reduce engine speed to idle.
5. Raise the blast heads to the full UP position and
lock the Hog Arm with the safety pin.
6. Make sure the truck is stopped and put the
Transmission in “N” (NEUTRAL).
7. Turn the PTO switch OFF. Listen for the PTO
to disengage. Then wait for the red light to
turn OFF and the green light to turn ON. Turn
the Mode switch OFF. It is important that this
switch is o to prevent the truck transmission
from engaging 4th gear lock-up when DRIVE
is selected causing the truck to surge forward.
8. Drain waste water from the vacuum canister.
Close the valves when draining is complete.
9. Turn all other switches and dials on the control
panels to OFF or 0.
10. When the truck is parked, set the parking brake
and allow the engine to idle for several minutes
to cool internal components, then shut o the
engine.
B. Shutdown procedure for trucks with a
manual transmission:
1. Press the STOP button on the joystick console
to open the diverter valve and stop high pres-
sure water ow to the blast heads.
2. Turn the 40K Clutch and Charge Water switches
OFF.
3. Allow the vacuum blower to operate for a couple
of minutes after shutting down the high pres-
sure and charge water pumps to clear waste
water from hoses and dry out blower system.
4. Reduce engine speed to idle.
5. Raise the blast heads to the full UP position and
lock the Hog Arm with the safety pin.
6. Make sure the truck is stopped, then depress
the clutch and shift the Transmission to neutral.
7. Turn the PTO switch OFF. Listen for the PTO
to disengage and then wait for the red light to
turn OFF and the green light to turn ON. Drain
waste water from the vacuum canister. Close
the valves when draining is complete.
Typical Automatic Transmission
START UP/SHUT DOWN PROCEDURE Placard On Visor
11. Turn all other switches and dials on the control
panels to OFF or 0.
12. When the truck is parked, set the parking brake
and allow the engine to idle for several minutes
to cool internal components, then shut o the
engine.
WATERBLASTING COMPONENTS COULD BE ACTIVATED
ACCIDENTLY WHILE DRIVING IF THE PTO DOES NOT
DISENGAGE. THIS COULD RESULT IN SEVERE DAMAGE TO
THE TRUCK AND/OR INJURY TO PERSONNEL.
ALWAYS MAKE SURE YOU HEAR THE PTO DISENGAGE
DURING SHUTDOWN.
Typical Manual Transmission
START UP/SHUT DOWN PROCEDURE Placard On Visor
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