92
Operation
12. Never rock the truck to make the debris bag
fall out. This jerking movement will damage
the hydraulic cylinders and possibly break the
debris tank hinge pins or mount.
13. Once the debris is removed from the tank,
make sure the vacuum hose O-ring seals and
seal surfaces at the top of the tank are clean.
Then press the DOWN button on the remote
to lower the tank to the full down position.
14. Clean out any remaining debris and install a
new debris bag or clean the lter panels.
15. Move the Door switch to the ON position to
activate DOOR CONTROL MODE on the re-
mote control. Then press the DOWN button on
the remote to close the door. Turn the Door
switch OFF.
16. Move the Latch switch to the ON position to
activate LATCH CONTROL MODE on the remote
control. Then press the DOWN button on the
remote to activate the hydraulic door latches
and latch the door.
17. Make sure the hydraulic door latch pawls on
each side of the door are fully engaged. Use
the remote to adjust the door or clean the door
jam and seal if necessary.
18. Turn the Latch switch OFF and disconnect the
hand remote from the grey receptacle box.
Properly store the control.
19. Use the Door Seal switch to inate the debris
door seal. Maximum seal pressure is 20-25
psi (1.4 - 1.7 BAR).
20. Inspect the vacuum system lter and drain
water from the vacuum canister. Clean or
replace the lter if necessary.
21. Make sure all the drain valves are closed, then
activate the vacuum system and check for
vacuum leaks.
22. Perform the shutdown procedure to deactivate
Operate Mode and place the truck in Drive
Mode.
Repair vacuum leaks or any other problems before
returning the truck to service.
3.7 Operate Mode/Waterblasting
System Shutdown Procedure
The shutdown procedure to shift the truck from
Operate Mode to Drive Mode and deactivate 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. Shutdown procedure for trucks with an
automatic 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.
Hydraulic Rear Door Latch In The Secured Position
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