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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Installed
ON-VEHICLE INSPECTION OF EXPANSION VALVE 1.
Install manifold gauge set.
2.
Check quantity of gas during refrigeration cycle.
3.
Run the engine at
2,000 rpm for at least
5 minutes.
4.
If the
expansion valve is clogged, the low pressure reading will drop to
0 kg/cm2 (0 psi, 0 kPa), otherwise it is OK.