CONTENTS EVERY 1000 HOURS MAINTENANCE.................................................................................................... 4-51 REPLACE HYDRAULIC OIL FILTER ELEMENT............................................................................ 4-51 CHANGE OIL IN SWING MACHINERY CASE ............................................................................... 4-52 CHECK OIL LEVEL IN DAMPER CASE, ADD OIL......................................................................... 4-53 CHECK FAN BELT TENSION AND REPLACE FAN BELT ............................................................
4-53 EVERY 2000 HOURS MAINTENANCE.................................................................................................... 4-54 CHANGE OIL IN FINAL DRIVE CASE............................................................................................ 4-54 CLEAN HYDRAULIC TANK STRAINER ......................................................................................... 4-54 CHECK ALTERNATOR, STARTING MOTOR ................................................................................ 4-55 CHECK ENGINE VALVE CLEARANCE, ADJUST..........................................................................
4-55 EVERY 4000 HOURS MAINTENANCE.................................................................................................... 4-55 CHECK WATER PUMP................................................................................................................... 4-55 EVERY 5000 HOURS MAINTENANCE.................................................................................................... 4-56 CHANGE OIL IN HYDRAULIC TANK.............................................................................................
4-56 SPECIFICATIONS SPECIFICATIONS ................................................................................................................................................ 5-2 ATTACHMENTS AND OPTIONS ATTACHMENTS AND OPTIONS - GENERAL INFORMATION .......................................................................... 6-2 SAFETY FIRST........................................................................................................................................... 6-2 ATTACHMENT INSTALLATION.................................................................................................................
6-3 BUCKET WITH HOOK ......................................................................................................................................... 6-4 HOOK CONDITION .................................................................................................................................... 6-4 PROHIBITED OPERATIONS ..................................................................................................................... 6-4 MACHINE READY FOR ATTACHMENT (DELUXE HCU SYSTEM) .....................................................................................................................................
6-5 LOCATIONS ............................................................................................................................................... 6-5 HYDRAULIC CIRCUIT................................................................................................................................ 6-8 Switching Hydraulic Circuit ................................................................................................................ 6-8 Adjusting Oil Flow..............................................................................................................................
6-8 Switching Between Breaker and General Attachment....................................................................... 6-8 Hydraulic Circuit Connection ............................................................................................................. 6-9 Oil Flow Path ..................................................................................................................................... 6-9 Replace Additional Breaker Filter Element......................................................................................
6-10 MACHINE READY FOR ATTACHMENTS (SIMPLE HCU SYSTEM) .................................................................................................................................... 6-11 EXPLANATION OF COMPONENTS........................................................................................................ 6-11 (1) STOP VALVE............................................................................................................................. 6-11 (2) SELECTOR VALVE ...................................................................................................................
6-12 (3) ATTACHMENT CONTROL PEDAL ........................................................................................... 6-12 (4) LOCK PIN................................................................................................................................... 6-12 1-15