Conveyor Components
IR Heater
-
w/ J Sensor
Gear Motor
Belt
Aligner
Front Pulley
Chamber Components
Component Identification
Control Box
Exhaust Stack
Rear Pulley
Crank Handle
Filtered Intake
(EC
-
II
-
30 Shown)
Belt
The conveyor belt is made of Teflon coated fiberglass. It is joined together with an alligator lace using a steel pin to connect each side.
The belt will not burn under normal conditions, but the dryer should always have the belt moving while the heaters are above 300 de-
grees. The belt should remain tracked in the center of each pulley. (See
“
Belt Installation and Tracking
”
for adjustment instructions.)
Aligner
The aligner is a device for tracking the belt and keeping it on the pulley. As the belt moves from side to side the aligner is used for ad-
justments to keep it centered. The belt does not have to be perfectly centered on the pulley but should not be hanging over either edge.
Pulley
The pulleys at either end of the conveyor are made by VASTEX of 4 ½ inch steel tubing with ¾ inch center shaft. They are mounted on
self aligning flange bearing blocks for precision rolling.
Gear Motor
A 130 Volt DC gear motor is located to the rear of the conveyor. It drives the rear pulley and belt with a roller and a #35chain.
Replacement part numbers can be found on your dryer
’
s wiring diagram.
IR Heater
The infrared heaters in VASTEX dryers emit medium wave infrared heat, perfect for curing plastisol inks. The heater connections are
located in the trough on the right side of the heater, connected with high temperature terminals and stainless steel socket head cap
screws.
J Sensor
Vastex uses a mineral insulated
“
Type J
”
Thermocouple mounted under the first heating element on the right side. It is shielded to pro-
vide a near
“
closed loop
”
control system. The sensor reacts very quickly to heater changes and is designed to be aware of changes in
the chamber
’
s environment. The sensor is wired to the Digital Temperature Controller found on the control panel.
Refer to wiring diagram when replacing
“
J
”
Sensor.
(if SBER is displayed on controller,
“
J
”
Sensor is malfunctioning)
Control Box
The Control Box contains most electrical components and is designed for easy maintenance. Connections should be checked after the
first (3) months of use and every (6) months after. More information on the Control Box can be found in the
Controls
sections.
Crank Handle
Used to raise and lower IR Heater assembly. Turning the handle clockwise raises the elements, counterclockwise lowers them. Vastex
dryers use three variables to control the curing process, 1) Belt speed, 2) Temperature and 3) Heater height (Heater Focusing).
Exhaust Stack
4”
exhaust stack. See Dryer & Exhaust Hood Ducting for proper venting.
(Note: Restricting the dryers exhaust can affect the operation of the dryer causing excessive heat buildup within the chamber
and fumes to fill the chamber and work area. The excessive heat buildup in the chamber may damage the dryers exhaust blow-
er. Proper venting is important.)
Filters the incoming air. Clean or replace this filter often and as needed, replacement filters p/n (06
-
22
-
040)
Filtered Intake
Pg. 8
