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Hercules G-1600 — Coolant Temperature Sensor (C.T.S.) Mounting

Installation · electrical system

For the Hercules G-1600, from the Hercules service manual.

Procedure

  1. Remove all surface treatment (paint) and roughen the exposed surface of the cylinder head top left rear corner with sand paper.
  2. Thoroughly clean the roughened surface with a suitable degreasing solvent.
  3. Apply a thin covering of thermal paste to the metal puck face of the sensor.
  4. Apply a 1/16 inch diameter bead of Locktite weld epoxy to the underside of the sensor along the edge and encircling the puck face.
  5. Place the sensor at the specified location and hold in position with downward force for a minimum of 3 minutes.
  6. Secure the sensor leads with enough slack so the sensor will not be pulled from the cylinder head.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Sensor supplied 5 volts; open sensor ≈230 K, shorted ≈418 K
  • Hold downward force minimum 3 minutes

Source: Hercules service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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