Lotus Elan

Thermal Switch - Electrical Cooling Fan

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Lotus Service Bulletin
Class 111
Number 1971/26
Type Elan & +2
Date 23.4.1971
Title: Thermal Switch - Electrical Cooling Fan
Reason: To advise Service personnel on the fitting of new thermal switch.
Parts Required: Switch
Cover (terminal)
Part No. A036 K 6026
Part No. A036 K 6027
Part No. A036 M 6415
Part No. A036 M 6414
Part No. A036 K 0090
Charges: U . K. - Warranty
EXPORT - Factory
- Distributor

The manufacturers of the existing thermal switch (Kenlowe) have informed us that production has now been discontinued, therefore, these fitting instructions show how to fit the alternative 'Otter' switch now coming into production.

If a 'Kenlowe' switch is faulty and requires replacing, it must now be. replaced with the 'Otter' switch.

  1. Drain the radiator. Disconnect the battery.
  2. Using a hole-saw, cut a 27/32in. diameter hole in the front L/H corner of the top tank of the radiator (see illustration).
  3. Insert the grommet (Part No. A036 K 6027) into the hole, followed by the 'Otter' switch (Part No. A036 K 6026). NOTE WELL that a DRY joint must be used.
  4. Shorten the existing switch cable to reach the new switch location. Slide the terminal cover (Part No. A036 M 6414) onto the cable, attach the terminals (Part No. A036 M 6415) one to each lead, fit terminals to switch and slide cover into position.
  5. Remove faulty 'Kenlowe' switch and seal hole in radiator with plug (Part No. A036 K 0090).
  6. Refill cooling system. Re-connect the battery.
71 26 1.jpg