Repair manual

RD 27 Table of Contents
wc_br0175061en_002TOC.fm 7
7 Troubleshooting the Water Spray System 85
7.1 Determining Where to Begin .............................................................. 85
7.2 Checking the Water Spray Fuse ........................................................ 86
7.3 Checking Power to the Spray Pump Motor ........................................ 87
7.4 Checking the Spray Switch ................................................................ 88
7.5 Checking the Timer Module ............................................................... 89
7.6 Checking the Spray Relay .................................................................. 91
8 Disassembly and Assembly 93
8.1 Tools Required for Disassembly/Assembly ........................................ 93
8.2 Information Regarding Replacement Parts ........................................ 93
8.3 Information Regarding Threadlocking Compounds ............................ 93
8.4 Removing and Installing the Steering Servo Valve ............................ 94
8.5 Removing and Installing a Drive Motor .............................................. 97
8.6 Removing and Installing an Exciter Motor ........................................ 101
8.7 Removing a Drum ............................................................................ 104
8.8 Disassembling a Drum ..................................................................... 106
8.9 Removing and Installing the Exciter Shaft Bearings ........................ 109
8.10 Removing and Installing Drum Shock Mounts ................................. 113
8.11 Assembling the Drum ....................................................................... 114
8.12 Re-installing the Drum ...................................................................... 116
8.13 Removing and Installing the Fuel Tank ............................................ 118
8.14 Removing and Installing the Radiator .............................................. 120
8.15 Removing and Installing the Steering Cylinder ................................ 123
8.16 Removing and Installing the Articulated Steering Joint .................... 126
8.17 Articulated Steering Joint Exploded View ......................................... 128
8.18 Articulated Steering Joint Components ............................................ 129
8.19 Rebuilding the Articulated Steering Joint ......................................... 130
8.20 Removing and Installing the Spray System Pump ........................... 134
8.21 Removing and Installing the Water Tank ......................................... 135
8.22 Removing and Installing the Hydraulic Oil Cooler ............................ 139
8.23 Removing and Installing the Drive Pump ......................................... 140
8.24 Removing and Installing the Steering Pump .................................... 142
8.25 Removing and Installing the Vibration Pump ................................... 145
8.26 Removing and Installing the Hydraulic Reservoir ............................. 147
8.27 Removing and Installing the Engine ................................................. 150
8.28 Removing and Installing the Forward/Reverse Control (Joystick) .... 158
8.29 Removing and Installing the Hydraulic Manifold .............................. 161