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

Operation Section Storage Information Before Storage The machine should be operated at least once a week. Fill the cooling system, if cooling water is discharged, and mount the battery. Start the engine and warm up thoroughly. Move the machine a little forwards and backwards. Operate the hydraulic controls several times. Before storing your lift truck, clean and inspect as the following procedures. Wipe away grease, oil, etc. adhering to the body of the truck with waste cloth, and use water, if needed. To Operate the Lift Truck after a Long Time Storage While cleaning the truck, check general condition of the truck.

Especially check the truck body for recess or damge and tires for wear or nails or stones in the tread. Remove covers and antirust from each of the components and exposed parts. Fill the fuel tank with fuel specified. Drain the engine crankcase, transmission (clutch type machine), differential and final reduction gear, clean the inside of them and add new oil. Check for leakage of hydraulic oil, engine oil, fuel, or coolant, etc. Apply grease, where needed. Check for looseness of nuts and bolts, especial- ly hub nuts. Drain off foreign matter and water from the hydraulic oil tank and fuel tank. Remove the head cover from the engine cylinder.

Oil valves and rocker shaft and check each valve for proper operation. Prime the oil into the lift cylinders by actuating the lift lever all the way several times. Check mast rollers to see that they rotate smoothly. Add cooling water to the specified level. Drain off coolant completely in water of cold weather, if antifreeze is not used. Charge the battery and mount it on the machine. Connect the cables. Long Time Storage Perform pre-operational checks carefully. (refer to “Before Starting the Engine”) Perform the following service and checks in addition to the “Parking the lift truck” services. Taking the rainy season into consideration, park the machine at a higher and hard ground.

Warm up the machine. Avoid parking on soft grounds such as an asphalt ground in summer. Dismount the battery from the machine. Even though the machine is parked indoors, if the place is hot or humid, the battery should be kept in a dry, cool place. Charge the battery once a month. Apply antirust to the exposed parts which tend to rust. Cover components such as the breather and air cleaner which may be caught with humidity. Storage Information 89