Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Low Pressure Cut-Out Switch Replacement

Fig. 6 Cycling clutch switch and low pressure cut-off switch:





The low pressure cut-off switch is located on the H-valve assembly.

1. Discharge refrigerant from system and disconnect electrical connector from switch.
2. Remove switch.
3. Install replacement switch using a new O-ring lubricated with refrigerant oil.
4. Evacuate, charge and leak test system and check for proper operation.