50-20 Operating the Vacuum Excavator VX30/VX50 Gen3/ECO50 Vacuum Excavators
NOTICE: Befo
re beginning vacuum operations, a plan and site for disposing of
material in the spoil tank should be established.
Step 1: Before arriving
at the disposal site, verify fresh water tank (if equipped)
has adequate water for cleanup.
Step 2: After
arriving at disposal site, engage park brake and chock wheels.
Step 3: Open
the Upper Gate/Tank Inlet valve (1) to relieve tank pressure.
Step 4: Open
Lower Gate/Drain valve (2) to drain excess liquids.
Step 5: At the
operator console, if the Spoil Tank Full Light is on, press and hold
Tank Full Override Switch (3) in ON position.
Step 6: Turn Water Pump
Switch (4) OFF.
Step 7: Follow the “Starting Procedure,” p
age 22-1, and run engine at low idle.
Close Upper Gate/Inlet valve.
Step 8: Ens
ure all personnel are clear of the dumping area.
Step 9: Press and
hold top of Tank Door Open/Close Switch (5). The door will
unlock and open.
Step 10: Once door is open, press
top of Tank Dump Switch (6) to raise tank.
Material in spoil tank is very heavy. Stay clear of the door when raising
tank.
Step 11: On
ce tank has emptied, clean tank while in the raised position. Refer to
“Machine - Clean,” page 50-22. Ensure safety bar and safety pin are
installed; refer to “Spoil Tank - Clean,” page 50-23, for instructions.
If not cleaning machine after dumping, wipe the door seal and mating
flange clean to avoid damaging the seal when c
losing and locking the door.
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