5. Check the air suction hose between engine andfilter.6. Check the cylinder chromium-plated rods.7. Check the hydraulic lines are not worn becauseof rubbing against the frame or other mechanicalcomponents.8. Check the electric cables do not rub against theframe or other mechanical components.9. Check the wear of the sliding pads of theboom sections.10. Adjust the play of the sliding pads of the boomsections.11. Remove any grease from the boom, then re-grease the sliding parts of the boom sections.12. Check the level of the battery electrolyte.Every 3 working monthsJobs to be done in addition to those above1. Check the efficiency of the block valves.Every 500 working hours or every six monthsJobs to be done in addition to those above1. Visually check the smoke quantity evacuatedfrom the engine exhaust.2. Check the tightening of the engine fixing screws.3. Check the tightening of the cab fixing screws.4. Check the backlash between pins and bushingsin all joints.5. Change the hydraulic oil filter in the tank.6. Have the hydraulic system checked by a skilledtechnician.7. Change the main cartridge of the engine air filter.8. Renew the cartridge of the engine oil filter andthe fuel filter.9. Change the oil of the front and rear differentialcasings.10. Proceed with boom chain tensioning.MaintenanceEvery 500 working hours or yearlyJobs to be done in addition to those above1. Change the engine oil and renew the fuel filter.Every 1000 working hours or yearlyJobs to be done in addition to those above1. Change the safety element of engine air filter.2. Change the oil in the power divider gearbox.3. Change the oil in the four wheel reduction gears.4. Change the hydraulic oil.Every 2000 working hours or every two yearsJobs to be done in addition to those above1. Change the engine coolant.At 6000 hours or 5 years and, subsequently,every 2 yearsJobs to be done in addition to those above1. Check that the structure is intact paying a specialattention to the welded supporting joints and theboom pins.Operator’s Manual First Edition - Second Printing100 GTH-4013 SX - GTH-4017 SX - GTH-4013 EX - GTH-4017 EX Part No. 57.0009.0540Courtesy of Crane.Market