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 Sensor / Switch: Service and Repair

The low pressure cut out switch is a sealed factory calibrated unit. It must be replaced if defective.

WARNING: The refrigeration system must be completely recovered before proceeding with this operation.

REMOVAL
1. Disconnect the boot like wire connector at the cut off switch.

Low Pressure Cut Off Switch:




2. Using a sender unit removal socket, remove the switch from the expansion valve.

INSTALLATION

NOTE: Verity the 0-ring condition on the replacement switch.

For installation, reverse the above procedures. Evacuate and charge the system.