SWDM320HB OPERATOR’S MANUAL
7.7.6 Changing Gear Oil for Rotary Head Gearbox ............................ 187
7.8 MAINTENANCE FOR EVERY 250 HOURS............................................................................... 187
7.8.1 Checking and Changing Servo-frame Wear Plate ......................... 187
7.8.2 Rotary Head Gear Oil Sample and Inspection ........................... 188
7.8.3 Checking and Changing Hoses .......................................... 188
7.8.4 Replacing Engine Oil and Filter –see chapter 7.4.1 .................. 189
7.8.5 Changing Fuel Filter –see chapter 7.4.2 ............................. 189
7.8.6 Changing Oil-water Separator Filter – see chapter 7.4.3 ............. 189
7.8.7 Cleaning Fuel Tank Filter Screen –see chapter 7.4.4 ................. 189
7.8.8 Cleaning Air Conditioner Condenser ................................... 189
7.9 MAINTENANCE FOR EVERY 500 HOURS................................................................................ 190
7.9.1 Checking Wire Rope Sheave ............................................ 190
7.9.2 Changing Main Winch Reduction Gear Oil- see 7.7.1 .................... 190
7.9.3 Replacing Rotary Head Gearbox Gear Oil- see 7.7.2 .................... 190
7.9.4 Changing Crowd Winch Reduction Gear Oil- see 7.7.6 ................... 190
7.9.5 Checking and Changing Air Conditioner Inner and Outer Air Filter Element
.............................................................................. 190
7.10 MAINTENANCE FOR EVERY 1000 HOURS ............................................................................ 191
7.10.1 Changing Air Filter, Return Filter Element, Pilot Filter Element see
–chapter 7.6.4 ............................................................... 191
7.10.2 Changing Swing Reduction Gearbox Oil see-chapter 7.7.3 .............. 191
7.10.3 Changing Travel Reduction Gearbox Oil see–chapter 7.7.4 ............ 191
7.10.4 Changing Auxiliary Winch Reduction Gearbox Oil ...................... 191
see–chapter 7.7.5 ......................................................... 191
7.10.5 Changing Rotary Head Reduction Gearbox Oil .......................... 191
see –chapter 7.7.6 ........................................................ 191
7.10.6 Hydraulic Hoses Inspection .......................................... 191
7.10.7 Hydraulic Hoses Replacement ......................................... 192
7.10.8 Cleanness Control for Hydraulic System .............................. 192
7.10.9 Hydraulic Oil Temperature Control ................................... 193
7.10.10 Use of Battery ..................................................... 194
7.10.11 Checking and Changing Air Filter ................................... 196
7.11 MAINTENANCE FOR EVERY 2000 HOURS ............................................................................ 197
7.11.1 Changing Hydraulic Oil .............................................. 197
7.12 MAINTENANCE FOR EVERY TWO YEARS OR 3000 HOURS ............................................ 198
7.12.1 Changing Coolant .................................................... 198
7.14 MACHINE STORAGE ................................................................................................................ 199
7.14.1 Cleaning Machine .................................................... 199
7.14.2 Storing Machine ..................................................... 199
7.14.3 Daily Maintenance ................................................... 200
7.14.4 Maintenance for Long-term Storage ................................... 201
8. KELLY AND DRILLING TOOLS ............................................................. 202
8.1 KELLY ............................................................................................................................................ 202
8.1.1 Introduction of Kelly ................................................ 202
8.1.2 Correct Model Selection for Kelly .................................... 204
8.1.3 Correct Operation of Kelly ........................................... 204
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