Rev. 1/26/2022
HPC-405 MANUAL
Copyright 2021 Vestil Manufacturing Co.
Page 7 of 11
INSTALLING THE CRUSHER-COMPACTOR
The crusher can be installed in either of 2 configurations: 1) as a full assembly including legs and shelf bracket; or
2) as a benchtop unit by removing the legs and shelf bracket.
Full assembly:
The foot plate of each leg includes a bolt hole for 1/2 inch anchor bolts of appropriate length as determined by your
building engineer.
Benchtop configuration:
Benchtop installation requires disassembling the legs and shelf bracket. Remove the legs and the bracket by
following the steps described and shown in the diagrams below.
OPERATING THE CRUSHER-COMPACTOR
To operate the device: 1) select the appropriate platen configuration. See
pail inside the cabinet and center it beneath the platen; 3) close the door and latch it; 4) turn the key switch on the
control box to the appropriate mode, i.e. either CRUSH or COMPACT; 5) pull out the red emergency stop button; 6)
press the START button and hold it until the motor engages. NOTE: Each unit is equipped with a momentary contact
control. To begin a crushing or compacting cycle, simply press the START button and hold it until the motor engages.
The ram will extend and retract without having to continue to press the button.
The direction the ram travels (up/retract or down/extend) is determined by the starting position of the platen. If the
platen is fully raised to the top of the cabinet (cylinder fully retracted), the cylinder will extend when the start button is
pressed causing the platen to move downwards. If the platen is not fully raised when the START button is pressed,
the cylinder will retract and raise the platen to the "Home" position. The power unit will turn off at that point. Pressing
the START button again begins a new cycle. Hold the button for a few seconds to latch the circuit (wait until you hear
the motor turn on) and begin the cycle.
When the crusher is in home position and the cycle start button is pressed, the cylinder pushes the platen down
onto (or into if operating in COMPACT mode) the pail. In order to achieve a short cycle time, both sections of the
pump in the power unit drive oil to the cylinder until the cylinder pressure reaches approximately 1000 PSI. At that
time, the higher-displacement section recycles oil to the reservoir while the low-displacement, high-pressure section
continues to pump oil to the cylinder. This arrangement creates a typical High-Low circuit.
As the platen crushes a pail, or compacts the contents of the pail, the cylinder pressure increases until it reaches
the set-point of a particular pressure switch/valve. The valve shifts to center and a timer activates that controls the
period of decompression. When the decompression period ends, the directional valve shifts and reverses the direction
of oil flow to the cylinder. Reversing the flow of oil causes the cylinder to retract and raise the platen to the home
position. When the cylinder returns the platen all the way to the top of the cabinet, the power unit turns off. At this
point, the cabinet door can be opened.
Emergency stop button: The ram can be stopped at any point during a cycle. To stop the ram, press the red
emergency stop button located on the control panel. Pressing the button instantly stops the motor and prevents the
cylinder moving. To disengage the stop button, pull it out. Press the cycle start button again to retract the cylinder and
return the platen to the home position. The crusher is again ready for normal operation.
Bolt hole for
1
/
2
” anchor
bolts (necessary length
to be determined by
building engineer)
Remove
bolt &
washer
using
3
/
4
”
wrench or
socket
Remove
nut & bolt
using
9
/
16
”
wrench or
socket
Shelf
bracket
Leg
Full assembly
Benchtop
configuration
