
iiiHD-9 OPERATING INSTRUCTIONS
TABLE OF CONTENTS
Section 3: Operation ............................................................... 21
3.1 Pre-operation inspection .................................................................................. 21
3.2 Starting the Industrial Tub Grinder .................................................................. 22
3.3 If the engine fails to start ................................................................................ 23
3.4 Throttle operation ............................................................................................ 23
3.5 Automatic engine shutdown system ................................................................ 23
3.6 Normal shutdown procedure ........................................................................... 24
3.7 Emergency shutdown procedure ..................................................................... 25
3.8 Murphy System Operation for serial numbers JJ0101-JJ0142, JJ0145, JJO148,
& JJO150 ............................................................................................................... 26
3.9 Parts of the electronic governor ...................................................................... 27
3.10 Operation of the electronic governor ............................................................ 28
3.11 Calibration of the electronic governor ........................................................... 29
3.12 Tub rotation controls ...................................................................................... 29
3.13 Raising the tub ............................................................................................... 30
3.14 Lowering the tub ........................................................................................... 31
3.15 Starting and stopping the belly and discharge conveyors .............................. 31
3.16 Raising the discharge conveyor ..................................................................... 31
3.17 Operating the grinder using the remote radio option ..................................... 32
3.18 Grinding ......................................................................................................... 34
3.19 Loading the tub .............................................................................................. 34
3.19A Grinding with tub cover .............................................................................. 35
3.20 If lodging occurs while grinding ..................................................................... 35
3.21 Grinding wet material .................................................................................... 35
3.22 Preparing the HD-9 for transport .................................................................. 35
3.23 Preparing the HD-9 for operation after transport ......................................... 36
3.24 Preparing the HD-9 for storage .................................................................... 37
3.25 Removing the HD-9 from storage ................................................................ 37
3.26 Installing a screen .......................................................................................... 38
3.27 Adjusting the conveyor belt tension ............................................................... 39
3.28 Adjusting the conveyor belt tracking ............................................................. 40
3.29 Sizing the tub drive chain ............................................................................... 41
3.30 Adjusting tub chain tension ............................................................................ 41
3.31 Checking for wear on the friction disc torque limiter .................................... 42
3.32 Engaging and adjusting the rotor clutch ......................................................... 43