Insert the heater cartridge into the heater block. The wires from the heater cartridge should exit the same side the set screw is on that holds the thermistor in place.
Tighten the screw to secure the heater cartridge in place. You can use pliers to hold the block in place while tightening the screw.
Locate the thermistor cartridge and allen key.
Insert the thermistor FULLY (you may need to loosen or remove the setscrew that is pre-installed so the thermistor cartridge can be fully inserted.
Use the allen key to tighten the set screw to hold the thermistor in place.
DO NOT OVERTIGHTEN the set screw for the thermistor. Once the set screw is snug, you only need to turn about 1/2 turn beyond to tighten. Over tightening can damage the thermistor
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