Caterpillar C-3406B / C-346 — Clutch Switch Installation
Installation
For the Caterpillar C-3406B / C-346, from the Caterpillar service manual.
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Procedure
- Mount the clutch switch in the most convenient or accessible location possible (in cab under dash, under floor wheel well, or near the bell housing).
- Install the switch with the actuator arm in contact with the clutch pedal arm or other clutch member.
- Adjust the switch by moving it along the mounting bracket; the actuator arm should be deflected 1.0 to 1.5 inches (25 - 38 mm) at the tip when the clutch pedal is up.
- Check by moving the clutch pedal; the switch should click in the freeplay motion before actual clutch disengagement takes place.
- Cut wires to proper length, secure them with ties, and connect the wires; black lead to power source.
Tools required
- Optional overtravel bracket Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Actuator arm deflection 1.0 - 1.5 inches (25 - 38 mm)
Source: Caterpillar 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.