Despatch Stackable LCC/LCD - Manual (Page 44)

M AINTENANCE Stackable LCC/LCD Oven Owner ’s Manual
44 Version 26
Copyright © 2010 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. Maintenance
Do not attempt any service on this oven before opening the main power disconnect
switch.
6.1. Checklist
Keep equipment clean. Gradual dirt accumulation retards airflow. A dirty oven can
result in unsatisfactory operation such as unbalanced temperature in the work
chamber, reduced heating capacity, reduced production, overheated components, and
the like. Keep the walls, floor and ceiling of the oven work chamber free of dirt and
dust. Floating dust or accumulated dirt may produce unsatisfactory work results.
Keep all equipment accessible. Do not permit other materials to be stored or piled
against it.
Protect controls against excessive heat—particularly controls, motors or other
equipment containing electronic components. Temperatures greater than 51.5°C
(125°F) should be avoided.
Establish maintenance and checkup schedules. Do this promptly and follow the
schedules faithfully. Careful operation and maintenance will be more than paid for in
continuous, safe and economical operation.
Maintain equipment in good repair. Make repairs immediately. Delays may be costly
in added expense for labor and materials and in prolonged shut down.
Practice safety. Make it a prime policy to know what you are doing before you do it.
Make caution, patience, and good judgment the safety watchwords for the operation
of your oven.
Inspect oven seals if pressure readings decrease over time (Refer to Section 3.3.5 as
well as Table 2, Columns D and/or E)
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. HEPA Filter Replacement
Refer to section 4.3 for filter replacement.