M
AINTENANCE
LAC Series Oven Owner
’s Manual
30
Version 106
Copyright © 2011 by Despatch Industries.
All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any
means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and
retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.
6.2. Lubrication
Fan motor bearings are permanently lubricated. All door latches, hinges, door operating
mechanisms, bearing or wear surfaces should be lubricated to ensure easy operation.
6.3. Routine Tests
Test LAC-6 Series Oven functions regularly and carefully for best performance. Safety of
personnel and maintenance of your equipment may depend on the proper operation of
any of the temperature control functions.
Check that the heater LED is cycling on and off, indicating the heater is working.
Check the high limit function to make sure it is working properly:
1.
Press
Select
and go to Manual Mode. Enter a control setpoint value at least 20°F
(11°C) lower than the current process temperature.
2.
Press
Menu
and lower the high limit setpoint to a value just below the current
process temperature.
3.
Press
Run
4.
The high limit alarm indicator will flash and a high limit alarm message will
display.
5.
Press
Stop
.
6.
Press
Reset.
7.
Return the control setpoint and high limit setpoint values to their original values.
6.4. Door Adjustment
To increase or decrease latch tension, or to gain a better door seal on the latch side:
Turn the door strike in or out on its threads by loosening the allen head set screw.
If necessary, adjust the vertical alignment of the strike to increase or decrease latch
tension.
1.
Loosen the two screws on the latch strike and sliding the strike up or down on its
slots
2.
After positioning the strike, tighten the screws.
6.5. Replacement Parts
To order or return parts, contact Despatch Service & Technical Support. When returning
parts, a Despatch representative will provide an MRA (Material Return Authorization)
number. Attach the MRA number to the returned part for identification. When ordering
parts, expedite the process by giving the model number, serial number and part number.
