Specifications

21
Engine System Troubleshooting
Additional troubleshooting info is available in the appendices covering individual
components.
Problem Corrective action
Engine will not start.
No electrical power. Verify and repair power connections.
Battery dead. Recharge battery then find source of drain.
Control circuit wiring incorrect or
disconnected.
Verify wiring is correct. Tighten
connections.
Air in fuel system. Bleed fuel system (See Appendix A section
3.1.4.
Engine stalls.
Control circuit wiring incorrect or
disconnected.
Verify wiring is correct. Tighten
connections.
Dirty fuel filter. Replace fuel filter
Air in fuel system. Bleed fuel system (See Appendix A section
3.1.4.
Engine runs and then slows or
stops
Control circuit wiring incorrect or
disconnected.
Verify wiring is correct. Tighten
connections.
Engine overloaded. Adjust or replace hydraulic valves. Be sure
hoses are properly connected to tool(s).
Dirty fuel filter. Replace fuel filter
Air in fuel system. Bleed fuel system (See Appendix A section
3.1.4.
Engine overheats while running
under load.
Engine overloaded. Adjust or replace hydraulic valves. Be sure
hoses are properly connected to tool(s).
Vents may be clogged preventing proper
ventilation of engine.
Check for clogged air vents in fan cover.
Remove cover and clean as necessary.
Engine vibrates after corrections
have been made.
Pump mounting housing bolts loose. Tighten bolt connections to engine and to
pump.
Coupling damaged. Remove and examine coupling, replace
damaged components.