Despatch LBB2-xxA/B-1 - Manual (Page 49)

LBB Series Oven Owner’s Manual
M AINTENANCE
Version 15 49
Copyright © 2012 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
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6.5.2. Replace High Limit Instrument
Danger!
Do not attempt any service on this oven before opening the
main power disconnect switch.
Tools needed:
 One-quarter (1/4) inch socket set
 Screwdriver
 T20 Torx bit driver
1. Disconnect power.
2. Remove four screws from the face of the control panel ( Figure 13 ).
3. Slide the panel forward ( Figure 14 ).
4. Remove wires from the old High Limit instrument, carefully noting which wires
connect to which terminals ( Figure 15 ).
5. Disconnect High Limit instrument connector from circuit board (Figure 18).
6. Disconnect the thermocouple wires (Figure 15).
7. Press and hold down the tabs holding the High Limit instrument to the control panel and slide
it out (Figure 19).
High Limit
Connector
Block
Figure 18. High Limit Connector Block on Control Board.