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Gravimetric Batch Blenders w/Mitsubishi Control Chapter 3: Installation 32
Mechanical Installation
The installation procedure should be used as a general guideline for the proper installation
steps required to install the Slide Gate/Auger blending system.
1. Lift blender and position over machine throat or floor stand.
2. Set in position and secure by tightening four bolts.
3. Remove lifting strap.
4. Mount the material conveying system receivers on the top of the blender supply
hoppers.
5. Align the weigh hopper on the load cell brackets. Carefully adjust the load cell
brackets to ensure that the weigh hopper is centered on the brackets without rocking.
If for some reason the locating tabs do not align with the weigh hopper, they can
easily be loosened and adjusted.
Note: Use extreme care when tightening bolts on top of the load cells so you do not
spring the load cells. The load cells are extremely delicate and should be
treated with care!
6. Check the slide gate metering assemblies to ensure they are not damaged, and will
slide back and forth freely. These are the most important items on the blender,
besides the load cell and weigh hopper assemblies.
3-3 Electrical Installation
The standard Slide Gate/Auger blending system is designed to operate on 120/1/60 supply
voltage (220/1/50 CE models are also available). The current requirements vary with the
blender’s size and throughput rating. For exact current requirements, check the blender serial
number tag, located on the rear plate of the mixer section.
If a step down transformer was provided, it should never be used to power anything other
than the blender. Loading equipment, etc. must be powered by another power source. As well
as possibly overloading the transformer, the additional equipment may induce power line
noise that may affect the operation of the blending system.
The transformer will be mounted and wired by the customer or your installer. If company or
local codes require fusing or disconnects, these items must be supplied, wired, and mounted
by the customer.
Note: Each blending system MUST be connected to a separate source of power. Do
not connect other electrical equipment, especially self-contained hopper
loaders, on the same line as the blending system.
Ensure that the power entrance location on the blender panel remains unchanged. Make sure
that the proper size wire and proper wire routing techniques are used when installing the
supply wiring to the control panel. Care must be taken to ensure that the supply wiring does
not interfere with the low voltage DC wiring.
The blender is equipped with a plug that functions as the disconnect device (See Figure 11 on
Page 25 for an example). The mating receptacle must be installed no higher than 5’ feet
(1.6 m) above the floor. Make sure your installation conforms to your regional electrical
standards.