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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Air Injection Hose/Tube: Testing and Inspection

Inspection:

1. Inspect hoses and/or pipes for deterioration.
2. Inspect all hoses or pipe connections, and clamp torque.
3. Inspect hose and pipe routing. Interference may cause wear.
4. When a leak on the pressure side is suspected, the area will need to be inspected as follows:

^ Take a soapy water solution and inspect the area connections.
^ Bubbles will form at any bad connections when the pump is operating.