PRINCIPLES OF OPERATION 14
AQUATECH OPERATIONS, SERVICE AND PARTS MANUAL
A Product of Hi-Vac Corporation
PRINCIPLES OF OPERATION
HYDRAULIC BACK-UP SYSTEM OPTION
Hydraulic
Back-Up
Pump
This unit has been equipped with a
Hydraulic Back-Up System
. In the event of a Main Hydraulic
Pump failure, this system can be used to complete tasks such as: stowing the boom, raising/
lowering the Debris Tank, and locking/unlocking the Debris Tank Door.
To engage the
Hydraulic Back-Up System:
1.
Turn the
“Unit Power” Switch
in the cab to the
“On”
position.
2.
Go to the
Operator’s Panel
and press & hold the
“Hydraulic Override”
switch to operate the
“Boom”
functions or the
“Rear”
functions.
Caution!
The Hydraulic Pump Motor installed on this system is an intermitent
duty motor. It cannnot be run continuously for more than 5 minutes
@ 1600psi. After 5 minutes the motor must rest for 4.5 minutes before
the system can be restarted. Serious damage to the motor could occur if
these steps are not followed.