MAINTENANCE D. HYDRAULIC SYSTEM (See Page 7-36) 2. Change Hydraulic Oil 3. Suction Filter Cleaning 4. Replace Hydraulic Tank Oil Filter 5. Replace Pilot Oil Filter 7. Check Hoses and Lines NOTE: Hydraulic oil changing interval differs according to the kind of hydraulic oil used. See recommended oil chart. Change at an interval of every 300 hours. E. FUEL SYSTEM (See Page 7-52) F. AIR CLEANER (See Page 7-63) 7-10 Quantity 8 50 100 250 300 500 1000 1500 2500 1 298 L (78.7 US gal) ✸ ✸ ✸ ✸ 1 Std. Model 1 ✸ ✸ K Model 1 ★ 1 1 for leaks – for cracks, bend, etc. – Parts Quantity Interval (hours) 8 50 100 250 500 1000 2000 1. Drain Fuel Tank Sump 1 2.
Check Water Separator 1 Check daily before working 3. Replace Main Fuel Cartridge Filter 1 4. Replace Pre-Fuel Cartridge Filter 1 5. Clean Fuel Solenoid Pump Strainer 1 6. Check Fuel Hoses for leaks, cracks, etc. – for cracks, bend, etc. – Parts Quantity Interval (hours) 8 50 100 250 500 1000 2000 1. Air Cleaner Outer Element Cleaning 1 (Or when indicator lit) Replacement 1 After cleaning 6 times or 1 year 2. Air Cleaner Inner Element Replacement 1 When outer element is replaced