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H D - 8 S E R I E S V
O P E R A T I N G I N S T R U C T I O N S
T A B L E O F C O N T E N T S
Section 3: Operation ............................................................... 22
3.1 Pre-operation inspection .................................................................................. 22
3.2 Starting the Industrial Tub Grinder .................................................................. 23
3.3 If the engine fails to start ................................................................................ 23
3.4 Throttle operation ............................................................................................ 24
3.5 Automatic engine shutdown system ................................................................ 24
3.6 Normal shutdown procedure ........................................................................... 25
3.7 Emergency shutdown procedure..................................................................... 26
3.8 Murphy System Operation ............................................................................ 27
3.9 Parts of the electronic governor..................................................................... 28
3.10 Operation of the electronic governor ............................................................ 29
3.11 Calibration of the electronic governor ........................................................... 30
3.12 Adjusting the tub’s rotation speed.................................................................. 30
3.13 Raising the tub ............................................................................................... 31
3.14 Lowering the tub ........................................................................................... 32
3.15 Starting and stopping the discharge conveyor ............................................... 32
3.16 Operating the grinder using the remote radio option ..................................... 32
3.17 Grinding ......................................................................................................... 35
3.18 Loading the tub .............................................................................................. 35
3.19 If lodging occurs while grinding ................................................................... 36
3.20 Grinding wet material .................................................................................... 36
3.21 Preparing the HD-8 for transport.................................................................. 36
3.22 Preparing the HD-8 for operation after transport ......................................... 37
3.23 Preparing the HD-8 for storage .................................................................... 38
3.24 Removing the HD-8 from storage ................................................................ 38
3.25 Installing a screen.......................................................................................... 39
3.26 Adjusting the conveyor belt tension ............................................................... 40
3.27 Adjusting the conveyor belt tracking ............................................................. 41
3.28 Sizing the tub drive chain ............................................................................... 42
3.29 Adjusting tub chain tension ............................................................................ 42
3.30 Ball type torque limiter .................................................................................. 44
3.31 Checking for wear on the friction disc torque limiter .................................... 45
3.32 Engaging and adjusting the rotor clutch......................................................... 46
3.33 Electro-hydraulic valve coil test .................................................................... 47
3.34 Electro-hydraulic valve calibration ................................................................ 49
