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Yanmar — Charging the Battery

Maintenance

From a Yanmar service manual covering: YDG2700, YDG2700EV-6EH, YDG2700EV-G6EH, YDG2700EV-GEH, YDG3700, YDG3700EV-6El, YDG3700EV-GEI, YDG5500, YDG5500EV-6El. Check it applies to your exact model before use.

Applies to: Yanmar YDG2700, Yanmar YDG2700EV-6EH, Yanmar YDG2700EV-G6EH, Yanmar YDG3700, Yanmar YDG5500, Yanmar L70V engine, Yanmar L100V engine, Yanmar L4sV L70V L100V engine

Before you start

  • NEVER charge the battery while connected. Reversed polarity will damage the charger rectifier or the battery. Keep area well-ventilated away from sparks and open flames.

Procedure

  1. Disconnect the battery cables from the battery.
  2. Clean terminals on the battery and clamps on the cable ends.
  3. Connect the positive (+) clamp from the charger to the positive (+) terminal on the battery.
  4. Connect the negative (-) clamp from the charger to the negative (-) terminal on the battery.
  5. When finished charging, unplug the charger before disconnecting clamps from the battery.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Discontinue charging if electrolyte temperature exceeds 117°F (45°C)

Full service-parts list: Yanmar YDG2700EV-G6EH →

Source: Yanmar service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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