EZ 1000 Series II Melter Part Manual
Chapter 6 Maintenance Instructions
©2019 by Crafco, Inc. All Rights Reserved……………..…………………………………..….…Maintenance Instructions 6-3
6.11 Temperature Control Calibration
Check the control knob calibration weekly. Calibrate by turning the knob counterclockwise. If the
marks do not align, loosen screw in knob and align the line on the control knob with the calibration
mark on the scale plate. (See
6.12 Replacing Heat Transfer Oil
1. Drain oil by removing oil drain cap located under machine.
2. Open ball valve located on rear driver’s side of machine before refilling. This allows the air to
escape the center column.
3. Fill tank with Heat Transfer Oil using the fill port near the overflow reservoir. Be careful to not
overfill. Use the dipstick to measure your fill level.
4. Start burner and heat the heat transfer oil until one drop of oil comes out of ball valve.
5. Close ball valve immediately.
(CAUTION: HOT OIL WILL CAUSE SEVERE BURNS)
NOTE: THIS PROCEDURE IS NOT REQUIRED FOR DAILY OPERATION.
6.13 Cleaning Material Tank and Sensor Area
The material tank needs to be cleaned every year or as needed for proper operation. As the
machine is used, material builds up around the tank walls and sensor guard. The built up material
prevents heat from getting to the fresh material and causes longer heat up times. The built up
material will also prevent the material temperature sensor from reading accurately because it
becomes insulated from the fresh material. The coked material needs to be scraped or chipped
from the tank walls. The area between the sensor and sensor guard needs be cleaned also for
proper temperature sensing. An air chisel with various sized blades usually works best to break up
the material and remove it from the walls. Once the walls and sensor guard areas are cleaned,
remove all the loose chunks from the tank, and vacuum out any smaller pieces.
6.14 Cleaning the Melter
We recommend using Orange-Sol industrial cleaner for cleaning the exterior of the machine. The
cleaner can be found at the following website;
https://www.orange-sol.com/industrial-formula/.
200
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240
260
280
300
320
340
360
380
400
Calibration Mark
Knob
Fig. 6-2 Temperature Control Calibration
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