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

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Valve Spring

LENGTH AND TENSION SPECIFICATION
Free Height:
Standard Value 50.5 mm (1.988 inch)
Wear Limit 49.5 mm (1.949 inch)
Load:
Standard Value 32.9 Kg @ 40.4 mm (74 lb. @ 1.591 inch)
Wear Limit 32.9 Kg @ 41.4 mm (74 lb @ 1.630 inch)

SQUARENESS SPECIFICATION
Standard Value Max 2°
Wear Limit Max 4°

INSTALLED HEIGHT
Standard Value 40.4 mm (1.591 inch)
Wear Limit 41.4 mm (1.630 inch)