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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General

Battery Label (Typical):




Battery Caution Label:




Built-In Hydrometer:




Battery Terminal Adapters:




When it is necessary to charge the battery, following these basic rules:
1. Use a charger with an end charge voltage of 16.0 volts and equipped with a voltmeter that is accurate within 1 percent.
2. Ambient (surrounding) temperature should be 15°C to 38°C (60°F to 100°F). A battery that is extremely cold may not accept measurable current for several hours after starting the charger.
3. The charging area should be well ventilated.
4. Do not charge the battery if the built-in hydrometer is clear or light yellow. If cranking problems exist, replace the battery.
5. Do not charge a battery if it seems to be frozen. Replace it.
6. Batteries with a green dot showing in the hydrometer do not require charging unless they have just been discharged (such as cranking the engine).