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
Valve
Valve Inspection 1.
Inspect these valve areas:
1
The end of the stem for grooves or scoring.
2
The valve face and the edge for pits, grooves or scores.
3
The valve head for signs of burning, erosion, warpage and cracking.
4
The valve margin for wear.
