Hanse VTC Series, Installation, Operation And Maintenance Instructions

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System Maintenance
A qualified technician should do maintenance of this equipment. High voltage electrical
systems, high-pressure gas and mechanical systems all represent a potential for injury
or death. The main power
must be turned o ff at the main disconnect and all gas
supplies should be turned o ff prior to servicing this equipment. Follow all lockout and
tag out procedures before performing maintenance on any Electrical pneumatic or ln2
system
It is a good practice to keep a maintenance log for the chamber. The log should
contain the tasks that must be accomplished and when they were performed.
Monthly Maintenance
The following is a list of maintenance tasks that should be performed on a
monthly
basis.
1. The proper function of the safety control devices should be checked on a
regular basis. Replace any items that may be damaged or worn.
a. Door Limits
b. Safety Matts (Optional)
c. Door bump guards (Optional)
d. E-Stop
2. Check the temperature safety circuit high temperature trip point by lowering the
setting of the temperature safety and programming the chamber set point 15
degrees higher to verify that the product safety trips at the high temperature it
was set for. Check the temperature safety circuit low temperature trip point by
raising the setting of the product safety and programming the chamber set point
15 degrees lower to verify that the product safety trips at the low temperature it
was set for.
3. The electrical compartment should be kept clean and vacuumed if necessary.
4. The current draws of the major components should be checked with an amp.
probe and recorded for future reference and to determine if there is any
irregularity. Extreme caution must be taken whenever working with high voltage
components.
5. The pneumatic vibration pistons should be checked for tightness and
retightened if necessary to 125 ft./lb. torque for the large pneumatic pistons and
25 ft./lb. torque for the small pneumatic pistons.
6. Check the four screws on the bottom of the pneumatic pistons to insure that
they are tight.
7. The airlines to the pneumatic pistons should be checked for tightness.
8. The chamber lights should be checked and replaced if burned out – 20 watts,
110V, halogen bulbs.
9. Check the door safety switches by leaving the left hand door of the front of the
chamber open and turning the door switch to the closed position. Repeat the
procedure on the rear door.
Authorization and Copyright of this document is
controlled by Hanse Environmental Inc.
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