SCHEDULED MAINTENANCE ITEMS (Cont'd) (50 Hour) Ref No Part Number Description Remarks Serial Number Qty 4 Model S250 K 6904244 1 6903107 OIL 10W30 QT. 12 x 1 6903105 OIL 15W40 QT. 12 x 1 6903109 OIL 30W QT. 12 30W - 1 Qt. x 1 6903106 OIL 15W40 GAL. 6 x 1 6903108 OIL 10W30 GAL. 6 x 1 6903110 OIL 30W GAL. 6 x 1 6903112 OIL 10W30 2.5 GAL 2 x 1 6903113 OIL 15W40 2.5 GAL. 2 x 1 6903111 OIL 30W 2.5 GAL 2 x 2 6903122 GREASE 10 x 3 6681475 CARTRIDGE Inner Air Cleaner x 4 6681474 CARTRIDGE Outer Air Cleaner x 5 6677983 FILTER HVAC x 6 6903117 HYD FLUID 2.5 GAL. 2 x 6 6903118 HYD. FLUID 5GAL x 6 6903119 HYD. FLUID 55GAL x 7 6678233 OIL FILTER Engine Oil (6 Pack) x