RT75H Ditch Witch Parts Manual & Service Guide PDF (EN)

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1 RT75 Hydrostatic ISSUE NO. 06PL-06/11 For Replacement Copy Order P/N 053-121 This manual contains information concerning the following models: RT75H Tractor Copyright 2004, 2005, 2006, 2011 by The Charles Machine Works, Inc. , Ditch Witch, CMW, AutoCrowd, Modularmatic, Jet Trac, Roto Witch, Subsite, Fluid Miser, Perma-Soil, Power Pipe, Super Witch, Super Witch II, Pierce Arrow, The Underground, and The Underground Authority Worldwide are registered trademarks of The Charles Machine Works, Inc. ID0134942

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FOREWORD___________ 3 This manual contains illustrated parts lists to help you select quality ProTech ® Replacement parts for your Ditch Witch ® equipment. Using other replacement parts will lessen the productivity of your equipment. Part numbers enclosed in a box are no longer available from The Charles Machine Works, Inc. Your local Ditch Witch dealer may be able to locate the part for you. Footnotes provide more information to help you identify parts shown in the manual. Assembly instructions and Tech Bits articles referenced in footnotes are available through your local Ditch Witch dealer. Description and specifications in this book were current at publication.

However, The Charles Machine Works, Inc. reserves the right to improve equipment, so this manual might not reflect the most current improvements. Instructions on recommended equipment use and maintenance are in the Operator’s Manual that was shipped with your equipment. Keep the following in mind when ordering ProTech replacement parts: Specify parts you need by part number and description, not by illustration reference numbers. Have equipment model and serial number on hand to help ensure you get the right parts for your machine whether it’s old or new. Thank you for buying and using Ditch Witch equipment and ProTech replacement parts. 8/6/2010, Rev-B 800-001

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4 WARRANTY __________________________ DW WARRANTY Policy July, 2005 POLICY 1: DITCH WITCH ® EQUIPMENT AND REPLACEMENT PARTS LIMITED WARRANTY POLICY Subject to the limitation and exclusions herein, free replacement parts will be provided at any authorized Ditch Witch dealership for any Ditch Witch equipment or parts manufactured by The Charles Machine Works, Inc. (CMW) that fail due to a defect in material or workmanship within one (1) year of first commercial use (Exception: 2 years for all SK500 Attachments).

Free labor will be provided at any authorized Ditch Witch dealership for installation of parts under this warranty during the first year following “initial commercial” use of the serial numbered Ditch Witch equipment on which it is installed. The customer is responsible for transporting their equipment to an authorized Ditch Witch dealership for all warranty work. EXCLUSIONS FROM PRODUCT WARRANTY All incidental or consequential damages. All defects, damages, or injuries caused by misuse, abuse, improper installation, alteration, neglect, or uses other than those for which products were intended.

All defects, damages, or injuries caused by improper training, operation, or servicing of products in a manner inconsistent with manufacturer’s recommendations. All engines and engine accessories (these are covered by original manufacturer’s warranty). Tires, belts, and other parts which are subject to another manufacturer’s warranty. (Such warranty will be available to purchaser.) ALL IMPLIED WARRANTIES NOT EXPRESSLY STATED HEREIN, INCLUDING ANY WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY.

IF THE PRODUCTS ARE PURCHASED FOR COMMERCIAL PURPOSES, AS DEFINED BY THE UNIFORM COMMERCIAL CODE, THEN THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE FACE HEREOF AND THERE ARE NO IMPLIED WARRANTIES OF ANY KIND WHICH EXTEND TO A COMMERCIAL BUYER. ALL OTHER PROVISIONS OF THIS LIMITED WARRANTY APPLY INCLUDING THE DUTIES IMPOSED. Ditch Witch products have been tested to deliver acceptable performance in most conditions. This does not imply they will deliver acceptable performance in all conditions. Therefore, to assure suitability, products should be operated under anticipated working conditions prior to purchase.

Defects will be determined by an inspection within thirty (30) days of the date of failure of the product or part by CMW or its authorized dealer. CMW will provide the location of its inspection facilities or it’s nearest authorized dealer upon inquiry. CMW reserves the right to supply remanufactured replacement parts under this warranty as it deems appropriate. Extended warranties are available upon request from your local Ditch Witch dealer or CMW. Some states do not allow exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply.

Further, some states do not allow exclusion of or limitation of how long an implied warranty lasts, so the above limitation may not apply. This limited warranty gives product owner specific legal rights and the product owner may also have other rights which vary from state to state. For information regarding this limited warranty, contact CMW’s Product Support Department, P.O. Box 66, Perry, OK 73077-0066, or contact your local Ditch Witch dealer. Ver. 03 ID0134872

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CONTENTS______________________ 5 Decals Decal Location - RT75H .............................. 8 Engine Components CCV Valve ............................................... 18 Cold Start Kit ........................................... 28 Exhaust Stack Guard ............................... 24 John Deere Engine .................................. 14 John Deere Engine Service ..................... 16 Muffler/Air Filter (70/90HP) ........................... 22 Radiator/Cooler ....................................... 26 Rear Engine Support .............................. 20 Power Train Axle - Differential Lock Steerable/Rigid ..................

48 Axle - Differential Steerable/Rigid ........................ 52 Axle - Double Joint Steerable ............................ 58 Axle - Gear/Pinion Steerable/Rigid ....................... 46 Axle - Housing Rigid ...................................... 40 Axle - Housing Steerable ................................. 50 Axle - Potentiometer Steerable ........................... 62 Axle - Potentiometer Steerable – Begins ................ 66 Axle - Potentiometer Steerable – Begins/Ends ......... 64 Axle - Reduction Gear Rigid .............................. 42 Axle - Reduction Gear Steerable ......................... 56 Axle - Steering Cylinder Steerable .......................

60 Axle - Wheel Hub Rigid ................................... 44 Axle - Wheel Hub Steerable .............................. 54 Brake Caliper ........................................... 70 Differentials .............................................. 38 Ground Drive Transmission Mount ........... 32 Hydrostatic Drive Line .............................. 68 Manual Shift Transmission ....................... 34 Park Brake ............................................... 74 Service Brake System ........................... 72 Tire & Wheel (31 x 15.5-15 E10TT) .................. 76 Tire & Wheel (35 x 19-16.1) ..........................

78 Frame Components 4-Post ROPS - Begins ............................. 116 Backfill Blade .......................................... 82 Battery Hold Down ................................. 114 BFB Cylinder Guard ................................. 84 Cab Heater Assembly ............................ 122 Cab Kit .................................................. 118 Canopy & Ligtht Kit ................................ 126 Counterweight/Grille - Begins ...................... 88 Counterweight/Grille - Ends ....................... 86 Engine Enclosure .................................... 96 Fenders/Covers .................................... 102 Front Counterweight .................................

94 Fuel Tank ............................................. ..104 Hydraulic Reservoir ................................ 108 Seat Platform ........................................ 110 Seat Swivel & Base ............................... 112 Sound Blankets ..................................... 128 Tilt Steering ............................................. 98 Trench Depth Meter Module ..................... 90 Trench Depth Meter/Odometer Mt ............ 92 Control Components Attachment Control Handle .................... 142 BFB Control .......................................... 132 Cruise Control ........................................ 144 Ground Speed Direction Foot Control ...

136 Ground Speed Direction Hand Control .. 134 Hand Throttle - Begins .............................. 140 Hydrostatic Shift ..................................... 138 Rear Steer Control ................................. 146 Hydraulics Auxiliary Hydraulics .............................. 164 Backfill Blade Hydraulics ....................... 150 Backfill Blade Valve ............................... 152 Hyd Control Valve - 3-sp .......................... 178 Hydraulic Cylinder - (2x1.25x8) ................... 182 Hydraulic Cylinder - (2x1x3.38) ................... 180 Hydraulic Cylinder - (3x1.75x8) .................... 184 Hydraulic Filter Guard ............................

170 Hydraulic Filter ....................................... 168 Hydrostatic Pump Attachment Hyd. ........ 166 Motor Shift/ Diff. Lock Hyd - Begins ........... 160 No Frame Tilt/No Rear Str Option ......... 176 Power Steering Valve Hydraulics .......... 172 Pump Drive Hydraulics - Begins ................ 156 Pump Drive Hydraulics ........................... 154 Pump Hydrostatic Assembly .................. 158 Rear Steering Hydraulics ...................... 174 Remote Crowd Hydraulics - Begins ........... 162 Electrical *See Technical Supplement For Further Electrical Information ................. #053-127 Continued ID0134941

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