SWDM320HB OPERATOR’S MANUAL
7.3 EVERY 10 HOURS MAINTENANCE .......................................................................................... 152
7.3.1 Checking and adjusting track tension ................................. 152
7.3.2 Hydraulic Cylinder Maintenance ....................................... 153
7.3.3 Checking Oil Level in Rotary Head Gearbox ............................ 155
7.3.4 Checking cushion device of rotary head ............................... 155
7.3.5 Check Track Components for Lost or Damaged ........................... 156
7.3.6 Wire Rope Inspection ................................................. 156
7.3.7 Discarding Criteria of Wire Rope ..................................... 157
7.3.8 Wire Rope Maintenance ................................................ 159
7.3.9 Checking Swivel Joint for Flexibility ................................ 160
7.3.10 Lubrication of Wire Rope Swivel Joint ............................... 160
7.3.11 Checking Engine Oil Level ........................................... 162
7.3.12 Draining Water and Sediment in Diesel Tank .......................... 163
7.3.13 Checking Hydraulic Oil Level and Quality ............................ 163
7.3.14 Checking Gear Oil Level for Reduction Gearbox ....................... 164
7.3.15 Checking Coolant Level .............................................. 165
7.3.16 Checking Fuel Capacity and Filling Fuel Oil ......................... 167
7.3.17 Checking Switches, Buttons and Operating Handles .................... 169
7.4 MAINTENANCE FOR INITIAL 50 HOURS OF OPERATION ................................................... 169
7.4.1 Changing Engine Oil and Filter ....................................... 169
7.4.2 Replacing Fuel Filter ................................................ 172
7.4.3 Changing Oil-water Separator ......................................... 173
7.4.4 Cleaning Filter Screen for Fuel Tank ................................. 174
7.5 MAINTENANCE FOR EVERY 50 HOURS ................................................................................. 175
7.5.1 Checking Wire Rope Retainer Parallel with Roller ..................... 175
7.5.2 Checking Slewing Bearing Junction Bolts .............................. 175
7.5.3 Checking Bolts Tightening for Key Parts of Rotary Head ............... 175
7.5.4 Checking and Changing Drive Key Bar for Kelly ........................ 176
7.5.5 Checking and Changing Rotary Head Wear Plate ......................... 176
7.5.6 Checking Mounting Bolt of Track Shoe for Secure ...................... 177
7.5.7 Visual Inspection of Air Intake System ............................... 177
7.5.8 Checking Wiper ....................................................... 178
7.5.9 Checking Front Window Clean Device ................................... 178
7.5.10 Changing Slewing Bearing of Servo-frame ............................. 178
7.5.11 Checking Air Compressor Belt ........................................ 179
7.6 MAINTENANCE FOR EVERY 100 HOURS................................................................................ 180
7.6.1 Checking Oil Level for Crowd Winch Reduction Gearbox ................. 180
7.6.2 Checking Oil Level for Travel Reduction Gearbox ...................... 180
7.6.3 Checking Oil Level for Auxiliary Winch Reduction Gearbox ............. 181
7.6.4 Checking Hydraulic Oil Filter Element ................................ 181
7.6.5 Draining Water and Sediment in Hydraulic Oil Tank .................... 183
7.7 MAINTENANCE FOR INITIAL 250 HOURS OF OPERATION ................................................. 184
7.7.1 Changing Gear Oil for Main Winch Reduction Gearbox ................... 184
7.7.2 Change Gear Oil for Rotary Head Reduction Gearbox .................... 185
7.7.3 Changing Gear Oil for Swing Reduction Gearbox ........................ 185
7.7.4 Changing Gear Oil for Travel Reduction Gearbox ....................... 186
7.7.5 Changing Gear Oil for Auxiliary Winch Reduction Gearbox .............. 186
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