TROUBLESHOOTING
2V Operation Manual
87
• Starter motor does not
operate or rotates too
slowly (engine can be
turned manually)
• Battery needs charging • Check electrolyte, recharge Check Battery on
page 72
• Faulty cable connection at
battery terminals
• Clean terminals, retighten —
• Faulty starter switch • See authorized Yanmar
industrial engine dealer or
distributor
—
• Faulty starter motor —
• Engine cannot be manually
turned
• Inner parts seized or
damaged
—
White or Black Exhaust Smoke
• Black exhaust smoke • Engine overloaded • Reduce load —
• Clogged air cleaner element • Clean element or replace Replace Air Cleaner
Element on page 78
• Improper diesel fuel • Replace with
recommended diesel fuel
Diesel Fuel
Specifications on
page 31
• Faulty spraying of fuel
injection
• See authorized Yanmar
industrial engine dealer or
distributor
—
• Excessive intake / exhaust
valve clearance
—
• White exhaust smoke • Improper diesel fuel • Replace with
recommended diesel fuel
Diesel Fuel
Specifications on
page 31
• Faulty spray pattern of fuel
injection
• See authorized Yanmar
industrial engine dealer or
distributor
—
• Fuel injection timing delay —
• Engine burning oil —
SYMPTOM PROBABLE CAUSE ACTION REFER TO
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