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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Steering Wheel: Testing and Inspection





Inspection

Measure a temperature.
- The temperature of wheel surface grip must rise from -20°C to 20°C within 6 minute
- The temperature of wheel surface grip must keep 38°C ± 4°C after 25 minute
- At that time switch on, all measure point (1 - 8)