Doosan GC20SC-5 — DOOSAN GC20SC-5 Lift Truck Operation & Maintenance Manual PDF (EN)

Operation Section 58 Problem Probable Cause Corrective Action Will Not Run Continuously Fuel container almost empty LPG Vapor from liquid outlet z Fill fuel container z Do not exceed 80% of liquid capacity Excess flow valve closed Reset excess flow valve z Close liquid valve z Wait for a “click” sound Slowly open liquid valve Clogged fuel filter Repair/replace as required z See Maintenance Section, LP Fuel Filter replacement Plugged fuel line Remove obstruction from the fuel line z Close liquid fuel valve z Using caution, disconnect the fuel line (some propane may escape) z Clear obstruction with compressed air z Re-connect fuel line z Slowly open liquid fuel valve & Leak test Pressure regulator freezes Check level in cooling system z Must be full, check coolant strength z -35F minimum Check coolant hoses z Watch for kinks and/or pinched hoses z Verify one pressure hose and one return hose Fuel Lock-off malfunction Repair/replace Fuel Lock-off z See Engine Service Manual Incorrect idle speed or ignition problem See Advanced Diagnostics Engine Mechanical See Engine Service Manual Will Not Accelerate/Hesita tion During Acceleration Fuel container almost empty LPG Vapor from liquid outlet z Fill fuel container z Do not exceed 80% of liquid capacity Excess flow valve closed Reset excess flow valve z Close liquid valve z Wait for a “click” sound Slowly open liquid valve