The Charles Machine Works, Inc. — Contents

CONTENTS______________________ 5 Decals Decal Location - RT90 ....................................... 8 Engine Components Cold Start Kit .................................................... 22 John Deere Engine ........................................... 14 John Deere Engine Service .............................. 16 Muffler/Air Filter ................................................ 18 Radiator/Split Cooler ........................................ 20 Power Train Axle - Axle Housing - Rigid .................................... 52 Axle - Axle Housing - steerable ............................... 40 Axle - Bevel Gear / Pinion Set .................................

34 Axle - Diff Lock - steerable / Rigid ............................ 42 Axle - Differential - Rigid ....................................... 44 Axle - Differential - Steerable ................................. 46 Axle - Double Joint - steerable ............................... 36 Axle - Potentiometer - Steerable ............................. 50 Axle - Reduction Gears - Rigid ............................... 56 Axle - Swivel Housing / Steering Cylinder. ................. 38 Axle - Wheel Hub - Rigid ....................................... 54 Axle - Wheel Hub / Reduction Gear .......................... 48 Brake Caliper - Powershift ...................................

62 Brake Caliper - Service ....................................... 64 Differential ........................................................ 30 Heavy Duty Brake Kit ....................................... 72 Park Brake ....................................................... 70 Powershift Drive Line ....................................... 58 Powershift Transmission .................................. 26 Service Brake System - Begins .......................... 66 Service Brake System - Ends ............................ 68 Tilt Frame Differential Mount ............................ 32 Tire/Wheel (38x18-20 E10TL) ..............................

60 Transfer Case .................................................. 28 Frame Components 4-Post ROPS - Begins ...................................... 114 4-Post ROPS - Ends ....................................... 112 Air Conditioning Kit ......................................... 122 Backfill Blade Assembly ................................ 110 Battery Hold Down - Ends .................................. 94 Battery Installation - Begins ................................ 96 Cab Heater ..................................................... 120 Cab Kit ............................................................ 116 Canopy & Light Kit ..........................................

124 Counterweight/Grille ......................................... 86 Engine Enclosure ............................................. 76 Fenders and Covers ......................................... 78 Front Counterweight ......................................... 88 Fuel Tank ......................................................... 98 Hydraulic Reservoir - Begins ............................ 104 Hydraulic Reservoir - Ends .............................. 102 Seat Platform.................................................. 106 Seat Swivel & Base ........................................ 108 Sound Blankets ..............................................

126 Tilt Steering ...................................................... 90 Trench Depth Meter Module ............................ 82 Trench Depth Meter/Odometer Mount ............. 84 Control Components Backfill Blade Controls ................................... 140 Backfill Blade Cylinder Guard ........................ 148 Foot Throttle ............................................... .. 136 Ground Speed Direction Hand Control ..... .. 130 Hand Throttle - Begins .................................... 134 Hand Throttle - Ends ..................................... ..132 Hydrostatic Pump Linkage - Begins ................. 144 Hydrostatic Pump Linkage - Ends ...................

146 Powershift Lever ............................................ 138 Rear Steer Control ......................................... 142 Hydraulics Auxiliary Drive Lubrication .............................. 160 Auxiliary Hudraulics ........................................ 158 Backfill Blade Hydraulics .............................. 164 Backfill Blade Valve........................................ 166 Frame Tilt Hydraulics ..................................... 172 Ground Drive Motor Hydraulics ................... .. 162 Hydraulic Control Valve - 3-spool .................... 176 Hydraulic Cylinder (2”X1.25”X8”) ........................ 178 Hydraulic Cylinder (2”X1”X3.38”) ........................

182 Hydraulic Cylinder (3”X1.75”X8”) ........................ 180 Hydraulic Diagram ......................................... 152 Hydraulic Filter ............................................... 154 No Frame Tilt/No Rear Steer Option.............. 174 Power Steering Valve Hydraulics ................... 168 Powershift Manifold Hydraulics ...................... 156 Rear Steer Hydraulics .................................... 170 Electrical Electric Diagram - A/C .................................... 222 Electric Diagram - Coordinated Steer .................. 208 Electric Diagram - Coordinated Steer .................. 212 Electric Diagram - Frame Tilt ............................

216 Electric Diagram - Light Kit ............................... 218 Electric Diagram - Powershift ............................ 194 Electric Diagram - Rear Steer Electrical Sch. Add. . 204 Electric Diagram - Rear Steer/Frame Tilt ............. 214 Electric Diagram - RT70M/H RT90M/H RT115 ...... 202 Electric Diagram - Transmission ........................ 200 Electric Diagram - Wiper/Washer ....................... 220 Electric Schematic ...................................... ..186 Continued ID0040884