21.2.3 STANDARD METRIC FASTENERS ................................................ 3-l 8 21.3 HYDRAULIC TUBES AND FITTINGS ................................................. 3-19 21.4 HOSE CLAMPS .................................................................. 3-19 21.5 SPLIT FLANGE CONNECTIONS ..................................................... 3-19 22. PERIODIC REPLACEMENT OF CRITICAL PARTS .......................................... 3-20 23. MAINTENANCE SCHEDULE CHART ..................................................... 3-23 24. SERVICE PROCEDURE ...............................................................
3-26 24.1 INITIAL 10 HOURS SERVICE ....................................................... 3-26 24.1 .l BLADE CUTTING EDGE HARDWARE ............................................. 3-26 24.1.2 TRACK SHOE BOLT TORQUE ................................................... 3-26 24.2 INITIAL 50 HOURS SERVICE ....................................................... 3-27 24.2.1 REPLACING DRIVE TRAIN PRESSURE FILTER ..................................... 3-27 24.2.2 SERVICING THE DRIVE TRAIN SUCTION STRAINER ................................ 3-28 24.2.3 TRACK TENSION AND ADJUSTMENT .............................................
3-29 24.3 EVERYlOHOURS SERVICE (CHECK BEFORE STARTING) ............................... 3-31 24.3.1 24.3.2 24.3.3 24.3.4 24.3.5 24.3.6 24.3.7 24.3.8 24.3.9 CHECK RADIATOR COOLANT LEVEL ............................................. 3-31 CHECK ENGINE CRANKCASE OIL LEVEL ......................................... 3-31 CHECK EQUIPMENT SYSTEM HYDRAULIC OIL LEVEL .............................. 3-32 FILLFUELTANK .............................................................. 3-32 DRAIN FUEL FILTER WATER SEPARATOR ........................................ 3-33 OPEN FUEL SHUT OFF VALVE ..................................................
3-33 CLEAN PRE-CLEANER HOOD ................................................... 3-33 CHECK BRAKE PEDAL TRAVEL ................................................. 3-34 PERFORM GROUND LEVEL INSPECTION ......................................... 3-34 24.4 EVERY 50 HOURS SERVICE. ....................................................... 3-36 24.4.1 CHECK OIL LEVEL IN DRIVE TRAIN .............................................. 3-36 24.4.2 LUBRICATION ................................................................ 3-36 24.5 EVERY 100 HOURS ............................................................... 3-37 24.5.1 BLADE CUTTING EDGE HARDWARE .............................................
3-37 24.6 EVERY 250 HOURS SERVICE ....................................................... 3-38 24.6.1 REPLACE ENGINE OIL FILTER .................................................. 3-38 24.6.2 CHANGE ENGINE CRANKCASE OIL .............................................. 3-39 24.6.3 CHECKING FINAL DRIVE OIL LEVEL .............................................. 3-39 24.6.4 REPLACE FUEL FILTER WATER SEPARATOR ..................................... 3-40 24.6.5 CHECK ENGINE DRIVE BELT FOR WEAR ......................................... 3-41 24.6.6 CHECK OPERATION OF THE DECELERATOR ......................................
3-41 24.6.7 REVERSE REVERSIBLE FAN BLADES ............................................ 3-41 24.7 EVERY 500 HOURS SERVICE. ...................................................... 3-42 24.7.1 CHECK HOSE CLAMP TORQUE ................................................. 3-42 24.7.2 CHECK ROPS MOUNTING BOLT NUT TORQUE .................................... 3-42 24.7.3 CHECK TRACK SHOE BOLT TORQUE ............................................ 3-42 24.7.4 INSPECT MOUNTED EQUIPMENT ................................................ 3-42 24.7.5 RADIATOR LEAKS ............................................................. 3-42 24.7.6 OUTSIDE OF RADIATOR CORE ..................................................
3-42 24.8 EVERY 1000 HOURS SERVICE ...................................................... 3-43 24.8.1 24.8.2 24.8.3 24.8.4 24.8.5 24.8.6 24.8.7 24.8.8 24.8.9 SERVICE THE DRIVE TRAIN SUCTION STRAINER .................................. 3-43 CHANGING DRIVE TRAIN SYSTEM OIL ........................................... 3-44 DRAIN, FLUSH AND REFILL FINAL DRIVE OIL ...................................... 3-44 REPLACE DRIVE TRAIN SYSTEM BREATHER ...................................... 3-44 REPLACING DRIVE TRAIN PRESSURE FILTER ..................................... 3-45 REPLACE HYDRAULIC SYSTEM RETURN FILTER ..................................
3-46 CLEAN NEUTRAL VALVE INLET STRAINER ........................................ 3-47 LUBRICATE VALVE CAM PLATE ................................................... 3-47 CHECK TORQUE OF SPROCKET MOUNTING BOLTS ............................... 3-47 o-9