CONTENTS______________________ 5 Decals Decal Location - JT920L ....................................... 8 Decal Location - JT920 T2 .................................. 12 Engine Components Air Filter System ............................................... 26 Alternator .......................................................... 22 Engine - Lister-Petter Diesel .................................. 18 Radiator ............................................................ 24 Throttle ............................................................. 28 Frame Components Carriage ............................................................ 36 Covers/Guards .................................................
46 Cylinder Grease ............................................... 54 Drill Frame - ................................................. 32 Fuel Tank ......................................................... 44 Gear Box - Rotation Drive ..................................... 40 Idler .................................................................. 50 Stabilizer - Rear ................................................. 48 Tension Spring - Track ....................................... 52 Track Frame - Rubber ........................................ 42 Wrench - Front ...................................................
34 Operator’s Station Console Gauges ............................................... 62 Operators Station Gauges................................ 60 Seat Mount ....................................................... 58 Hydraulics Anchor Control Hydraulics .............................. 122 Aux Backup Wrench Hydraulics - Begins ......... 114 Aux Backup Wrench Hydraulics - Ends ........... 112 Breakout Hydraulics ....................................... 110 Carriage Rotation Hydraulics ........................... 98 Carriage Thrust Hydraulics ............................. 104 Control Valve/Levers ........................................ 96 Drive Control Supply Hydraulics .......................
78 Drive Control Valve/Levers ............................... 82 Frame Tilt Hydraulics ....................................... 84 Ground Drive Hydraulics .................................. 80 Hydraulic Control Valve (2-sp) ........................... 90 Hydraulic Control Valve (2-sp) ........................... 94 Hydraulic Control Valve (3-sp) - Ends .................. 92 Hydraulic Cylinder - (2x1x24) ............................ 124 Hydraulic Cylinder - (2.5x1.25) .......................... 126 Hydraulic Cylinder - (3x1.5) .............................. 128 Hydraulic Diagram - Auto-Bore ............................ 72 Hydraulic Diagram ............................................
70 Hydraulic Reservoir .......................................... 74 Hydraulic Schematic ......................................... 66 Mud Motor Hydraulics .................................... 118 Oil Cooler Hydraulics ........................................ 76 Pipe Loader Hydraulics .................................. 116 Rotation Hydraulics - Auto-Bore ........................ 102 Rotation Hydraulics ........................................ 100 Stabilizer Hydraulics ......................................... 86 Supply Hydraulics............................................. 88 Thrust Hydraulics - Auto-Bore ...........................
108 Thrust Hydraulics ........................................... 106 Electrical Elect Schematic - Auto-Bore ............................. 140 Elect Schematic ............................................. 132 Electrical Diagram - Auto Loader ....................... 160 Electrical Diagram - Bore Console - Begins ............ 154 Electrical Diagram - Bore Console - Ends ............ 150 Electrical Diagram - Engine/Frame .................... 144 Electrical Diagram - Gauge - Auto-Bore .............. 158 Electrical Diagram - Gauge .............................. 156 Electrical Diagram - Relay ............................... 148 Electrical Strike System - Ends .......................
168 Electrical Strike System ................................. 170 Photo-Electric Eye .......................................... 164 Proximity Switch ............................................. 166 Relay Panel .................................................... 172 Lubricator Systems Thread Lubricator ........................................... 176 Thread Lubricator - Front ................................. 178 Anchor Systems Auto-Anchor System ...................................... 182 Spring Loaded Pin .......................................... 186 Fluid Systems Drilling Fluid Transfer ..................................... 202 Garden Hose Adapter ....................................
204 Mud Pump - 25 GPM ........................................ 192 Mud Pump Mount - w/ Tank .............................. 194 Mud Pump Plumbing - Begins ......................... 198 Mud Pump Plumbing - Ends ............................ 196 Mud Tank Plumbing ....................................... 200 Tank Support ................................................. 190 Pipe Loader Systems Pipe Loader - Mount ........................................ 208 Pipe Loader - Shuttle ....................................... 212 Accessories Engine - Honda ................................................ 226 Grounding Cables ..........................................
218 Mud Mixing Accessories ................................ 216 Pipe Box ......................................................... 222 Pipe Box ......................................................... 224 Water Transfer System .................................. 220 Continued ID0135168