RD 7 Troubleshooting
wc_tx001855gb.fm 57
6 Troubleshooting
Problem / Symptom Reason / Remedy
Engine does not start • Fuel tank empty.
• Wrong type of fuel.
• Old fuel. Drain tank, change fuel filter and fill with
fresh fuel.
• Fuel system not primed.
• Fuel filter restricted or plugged. Replace filter.
• Check/adjust valve clearance.
• Oil pressure lost. Check engine oil level/activate
mechanical oil pressure monitor.
• Air cleaner element plugged.
• Check/adjust decompression device.
• Battery connections loose or corroded. Battery
dead (RD 7H-ES).
• Starter motor defective (RD 7H-ES).
• Electrical connections loose or broken (RD 7H-ES).
• Key switch defective (RD 7H-ES).
Engine stops by itself • Fuel tank empty.
• Fuel filter plugged.
• Fuel lines broken or loose.
No vibration • Valve damaged.
• Exciter assembly damaged.
• Exciter motor coupling damaged or broken.
• Exciter motor damaged.
• Pump damaged.
No travel
or
Travel only in one direction
• Control cable loose or broken.
• Drive motor damaged.
• Drive pump damaged.
• Defective relief valve or valves.
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