4.6.5 MAINTENANCE OF THE ENGINES ................................................................................. 301 4.6.6 ENGINE FUEL FILTER LOCATIONS ............................................................................... 303 4.7 WHEN NECESSARY ..................................................................................................................... 304 4.7.1 ENGINE AIR CLEANER MAINTENANCE ......................................................................... 305 4.7.2 SWING CIRCLE TOOTHING LUBRICATION ................................................................... 309 4.7.3 AUTOMATIC LUBRICATION SYSTEMS FILL GREASE CONTAINERS .........................
311 4.7.4 TRACK ROLLERS AND GUIDE WHEELS - REPLACE FLOATING SEALS .................... 315 4.7.5 COLD STARTING AID, REPLACE FLUID CYLINDER ..................................................... 317 4.8 EVERY 10 OPERATING HOURS OR DAILY ................................................................................ 318 4.8.1 WALK - AROUND INSPECTION ....................................................................................... 319 4.8.2 AIR CLEANER - CLEAN PRE-CLEANER ......................................................................... 327 4.8.3 RADIATORS - CHECK COOLANT LEVEL .......................................................................
329 4.8.4 TRACK GROUPS - CLEAN ............................................................................................... 329 4.9 EVERY 50 OPERATING HOURS OR WEEKLY ........................................................................... 330 4.9.1 SWING GEARS AND MOTOR ADAPTER HOUSINGS - CHECK OIL LEVELS .............. 331 4.9.2 TRAVEL GEARS, BRAKE HOUSINGS AND MOTOR ADAPTER HOUSINGS - CHECK OIL LEVELS ............................................................................................................................. 333 4.9.3 PTO’s (PUMP DISTRIBUTOR GEARS) AND OIL RESERVOIR - CHECK OIL LEVEL ...
339 4.9.4 HYDRAULIC ACCESS LADDER - CHECK SAFETY SENSOR ....................................... 343 4.9.5 HYDRAULIC OIL COOLERS - INSPECT AND CLEAN IF NECESSARY ......................... 345 4.10 EVERY 250 OPERATING HOURS OR MONTHLY ....................................................................... 346 4.10.1 AIR CONDITIONING COMPRESSOR - CHECK DRIVE BELT TENSION ....................... 347 4.10.2 UNDERCARRIAGE PIN CONNECTIONS - LUBRICATE ................................................. 349 4.10.3 SIGNAL HORN COMPRESSOR - LUBRICATE ...............................................................
349 4.10.4 HYDRAULIC OIL COOLER FAN BEARINGS - CHECK FOR LEAKAGE AND CLEAN BREATHER FILTER .......................................................................................................... 349 4.10.5 RADIATOR FAN BEARINGS - CHECK FOR LEAKAGE AND CLEAN BREATHER FILTER 349 4.10.6 AUTOMATIC LUBRICATION SYSTEMS - CLEAN IN-LINE GREASE FILTER AND CHECK BREATHER FILTER .......................................................................................................... 351 4.10.7 CAB AIR CLEANER - CLEAN OR REPLACE FILTER ELEMENT ................................... 353 4.11 EVERY 500 OPERATING HOURS OR MONTHLY .......................................................................
354 4.11.1 BATTERIES - CHECK FLUID LEVEL ............................................................................... 355 4.11.2 FLEXIBLE DRIVE COUPLINGS - CHECK OIL LEVEL ..................................................... 357 4.11.3 FUEL TANK - DRAIN CONDENSATION .......................................................................... 359 4.11.4 CRAWLER TRACK - INSPECTION .................................................................................. 361 4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH ......................................................... 366 4.12.1 HIGH STRENGTH BOLT CONNECTIONS - CHECK TORQUE LOAD ............................
367 4.12.2 HYDRAULIC SYSTEM - FILTER SERVICE ...................................................................... 417 4.12.3 PTO’S (PUMP DISTRIBUTOR GEARS), SWING GEARS AND TRAVEL GEARS - OIL SAMPLE ANALYSIS ......................................................................................................... 431 4.12.4 SIGNAL HORN COMPRESSOR - CLEAN AND LUBRICATE .......................................... 433 4.12.5 HYDRAULIC TRACK TENSIONING SYSTEM - CHECK PRESSURE ACCUMULATORS .... 435 482