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)

Or, hide this message: temporarily or permanently

Fluid Line/Hose: Testing and Inspection



Cooler Pipe Bending and Choke Inspection





Important: Inspect for abnormal pipe bending in the cooler pipe, pipe deformation or other damage.

1. Replace the pipe(s) as necessary.
2. Apply compressed air of 2 kg/cm (28 psi) from cooler pipe inlet side (1), inspect whether there is not cooler pipe choke by confirming smooth air flow.
3. Remove foreign particles and clean the inside of pipe line(s), as necessary.