FORST ST6D42 - The Woodchipper Suddenly Stops Running

6.5 THE WOODCHIPPER SUDDENLY STOPS RUNNING
Possible cause Check Corrective action
Loss of oil pressure Check oil level Top up if required
Check oil pressure switch Replace if damaged or faulty
Overheated Check cooling fan and belt Replace if damaged
Check fan guard for blockages Clear blockages
Check coolant level
WARNING
Pressurised system. Hot
coolant. Wait until the
radiator is cool, then
loosen the cap slowly to
relieve pressure.
Top up if required
Flywheel seized Check flywheel and chamber for
blockages
Clear blockages
Bonnet catches Check condition and security Refit or replace
Bonnet sensor Check condition Replace if damaged
Check if Bonnet is lit up on P2 when
the bonnet is down
Replace sensor or tighten
connector plug
Check sensor gap Adjust to approx. 3 to 4mm
Fuel not flowing Check fuel level Top up if empty
Check fuel tank for debris Remove any debris
Check in-line fuel filter for debris Replace filter
Check fuel lines for damage or kinks Replace or remove kinks
Check banjo bolt for blockage Clear blockage
Check fuel cap vent Clean vent or replace cap
Electrical issue

Check battery and connections Replace, charge or tighten
Check ignition switch Refit plug
Check wiring and connections Replace, tighten or refit
Check fuses Replace if blown
6.6 THE WOODCHIPPER IS STRUGGLING TO CHIP WOOD
Possible cause Check Corrective action
Lack of fuel Check fuel system Clean or refill fuel system as
required
Lack of air Check air filter Clean or replace as required
Poor quality fuel Check fuel Drain and refill fuel system with
a better quality fuel
Chapter 6: Troubleshooting
Redwood Global Ltd - ST6D42
Operator and Maintenance Manual
127 12-00-004 v2.1