Grinder Safety General Safety Overview and Information

Grinder Safety Grinder Safety

General Safety Overview and General Safety Overview and InformationInformation

General Safety General Safety InformationInformation

Peterson grinders must only be Peterson grinders must only be used to do the work for which they used to do the work for which they was designed. Do not operate the was designed. Do not operate the 4700B/6700B with loads containing 4700B/6700B with loads containing materials it was not designed to materials it was not designed to process or with accessories, process or with accessories, modifications, or attachments not modifications, or attachments not approved by Peterson. Do not approved by Peterson. Do not attempt to defeat any safety attempt to defeat any safety system.system.

General Safety General Safety InformationInformation

The information in the following The information in the following presentation is an overview of the presentation is an overview of the 4700B/6700B Safety Systems and is 4700B/6700B Safety Systems and is not designed to replace proper safety not designed to replace proper safety procedures, training, or the procedures, training, or the Owner/Operator manual. Refer to the Owner/Operator manual. Refer to the Owner/Operator manual provided with Owner/Operator manual provided with your machine for more detailed your machine for more detailed information. If you do not have an information. If you do not have an Owner/Operator manual, please Owner/Operator manual, please contact your servicing dealer to contact your servicing dealer to purchase one.purchase one.

Main Control PanelMain Control Panel

Emergency StopEmergency Stop

The ‘Emergency Stop’ button at The ‘Emergency Stop’ button at the main control panel on the the main control panel on the right side of the machine is the right side of the machine is the primary means for rapidly primary means for rapidly shutting down the entire machine shutting down the entire machine in an emergency.in an emergency.

Emergency StopEmergency Stop

Radio Controlled Radio Controlled Machine Stop ButtonMachine Stop Button

The ‘Machine Stop’ button on the The ‘Machine Stop’ button on the radio transmitter can stop the radio transmitter can stop the machine by shutting down the machine by shutting down the engine. It is not an ‘Emergency engine. It is not an ‘Emergency Stop’ as it depends on radio Stop’ as it depends on radio transmission to function. The transmission to function. The switch on the radio labeled ‘Power switch on the radio labeled ‘Power On/Off’ does not shut down the On/Off’ does not shut down the engine, this only affects the power engine, this only affects the power to the radio.to the radio.

Radio Controlled Radio Controlled Machine Stop ButtonMachine Stop Button

Machine Stop

Power On/Off

Safety Lockout/Tag outSafety Lockout/Tag out

Peterson grinders are equipped Peterson grinders are equipped from the factory with a safety from the factory with a safety lockout device for the entire lockout device for the entire machine. Never perform machine. Never perform maintenance, cleaning, or leave maintenance, cleaning, or leave machine unattended without machine unattended without locking the machine out to prevent locking the machine out to prevent accidental start-up to help avoid accidental start-up to help avoid damage to the machine, serious damage to the machine, serious bodily injury, or death. bodily injury, or death.

Main Disconnect Main Disconnect SwitchSwitch

Use the Main Disconnect Switch to turn Use the Main Disconnect Switch to turn the machine’s electrical system On or the machine’s electrical system On or Off by connecting or disconnecting Off by connecting or disconnecting electrical power from the batteries. In electrical power from the batteries. In the lockout condition, a hinged, the lockout condition, a hinged, lockable latch covers the keyhole with lockable latch covers the keyhole with the key removed. With the switch in the key removed. With the switch in the Off position, all electrical systems the Off position, all electrical systems are disabled.are disabled.

Pinching or Crushing Pinching or Crushing HazardsHazards

Peterson grinders many points Peterson grinders many points during operation and maintenance during operation and maintenance that can pinch or crush. Some of that can pinch or crush. Some of these include the Compression Roll these include the Compression Roll Housing, Anvil Housing’s moving Housing, Anvil Housing’s moving parts, Latching Detent System, parts, Latching Detent System, Feed Chains, Belt Rollers, and the Feed Chains, Belt Rollers, and the Rotor while it is coasting to a stop.Rotor while it is coasting to a stop.


The 4700B/6700B is designed with The 4700B/6700B is designed with Safety Locking Pins for the Safety Locking Pins for the Compression Roll housing to secure it Compression Roll housing to secure it in a lifted position to perform in a lifted position to perform maintenance. Use these Lock Pins any maintenance. Use these Lock Pins any time a person is going to be near the time a person is going to be near the rotor with the housing up. Ensure the rotor with the housing up. Ensure the machine is locked out and all stored machine is locked out and all stored energy is released. If the Pin becomes energy is released. If the Pin becomes stuck and can not be removed, never stuck and can not be removed, never go inside or under any component to go inside or under any component to remove or loosen the Pin.remove or loosen the Pin.


Safety Pin Operation Handle

Safety Pin


Refer to the Owner/Operator Refer to the Owner/Operator manual for complete safety manual for complete safety information regarding pinching information regarding pinching and crushing hazards. Failure to and crushing hazards. Failure to follow the safety guidelines can follow the safety guidelines can result in serious bodily injury or result in serious bodily injury or death!death!

Stored Energy ReleaseStored Energy Release

Some systems retain stored energy Some systems retain stored energy after the engine is shut down and the after the engine is shut down and the Main Disconnect Switch is locked out. Main Disconnect Switch is locked out. Accidental release of this energy could Accidental release of this energy could cause serious injury or death. Some cause serious injury or death. Some sources of stored energy are: rotor sources of stored energy are: rotor while coasting to a stop, compression while coasting to a stop, compression roll while lifted, pressurized gases and roll while lifted, pressurized gases and fluids, batteries, and hot engine fluids, batteries, and hot engine surfaces.surfaces.

Fire Safety and Fire Safety and HazardsHazards

Regular cleaning and maintenance is Regular cleaning and maintenance is the primary means of reducing the the primary means of reducing the risk of fire hazard. Frequently clean risk of fire hazard. Frequently clean combustible materials from the combustible materials from the engine, exhaust system, and other engine, exhaust system, and other hot surfaces. Daily cleaning is hot surfaces. Daily cleaning is essential to avoiding fires and essential to avoiding fires and extending the life of operating extending the life of operating components.components.


Ignitable materials that are likely Ignitable materials that are likely to be present include wood dust, to be present include wood dust, chips, diesel, gas, hydraulic oil, chips, diesel, gas, hydraulic oil, lubricants, and rubber products.lubricants, and rubber products.


In addition to daily cleaning, In addition to daily cleaning, ensure all fire suppression ensure all fire suppression equipment is present and equipment is present and serviceable. Ensure all personnel serviceable. Ensure all personnel working around the machine are working around the machine are trained in fire prevention and the trained in fire prevention and the use of fire suppression use of fire suppression equipment.equipment.


All new Peterson grinders come All new Peterson grinders come equipped with a fire extinguisher, equipped with a fire extinguisher, hand operated water can, water hand operated water can, water spray sprinkler system, and a self spray sprinkler system, and a self contained water pump spray contained water pump spray system.system.


The fire extinguisher can be used to The fire extinguisher can be used to put out small electrical, combustible put out small electrical, combustible liquid, and wood product fires. The liquid, and wood product fires. The hand operated water can is not hand operated water can is not intended as a fire fighting tool, it is intended as a fire fighting tool, it is designed to help reduce the risk of designed to help reduce the risk of fire by soaking combustible fire by soaking combustible material. Do not use the water can material. Do not use the water can for electrical or combustible liquid for electrical or combustible liquid fires.fires.

Hand Operated Water Hand Operated Water CanCan


The water spray sprinkler system is The water spray sprinkler system is a preventative measure in fire a preventative measure in fire safety. It is designed to spray water safety. It is designed to spray water on material as it is being processed on material as it is being processed by the machine. The system is not by the machine. The system is not designed to wet the material designed to wet the material sufficiently to prevent it from sufficiently to prevent it from burning. It is supplied from a burning. It is supplied from a regular garden hose and is not self regular garden hose and is not self contained.contained.


The self-contained water pump spray The self-contained water pump spray system is comprised of a tank, gas system is comprised of a tank, gas powered pump, and a hose with powered pump, and a hose with nozzle. Do not use this system to fight nozzle. Do not use this system to fight electrical or combustible liquid fires. It electrical or combustible liquid fires. It is designed to fight fires in organic is designed to fight fires in organic material and used to wash wood material and used to wash wood debris, dust, and other combustible debris, dust, and other combustible materials from the recycler.materials from the recycler.

Self-Contained Water Self-Contained Water Pump Spray SystemPump Spray System

Job Site SafetyJob Site Safety

Moving machinery, flying objects, Moving machinery, flying objects, noise levels, and eye injury noise levels, and eye injury hazards are all present around the hazards are all present around the 4700B during operation. Do not 4700B during operation. Do not allow personnel to enter the area allow personnel to enter the area without being trained and aware without being trained and aware of these dangers. Make available of these dangers. Make available and enforce the use of Personal and enforce the use of Personal Protective Equipment (PPE).Protective Equipment (PPE).


PPE includes but is not limited to, PPE includes but is not limited to, eye protection approved for flying eye protection approved for flying debris impact, hearing protection, debris impact, hearing protection, heavy soled shoes with toe heavy soled shoes with toe protection, hard hats, and high protection, hard hats, and high visibility vests or other highly visible visibility vests or other highly visible clothing. Check with local clothing. Check with local authorities as there may be authorities as there may be additional safety equipment additional safety equipment required depending on location.required depending on location.


Be aware of the Operating and Be aware of the Operating and Hazard Zones as described in the Hazard Zones as described in the Owner/Operator Manual. Set up Owner/Operator Manual. Set up your job site with these zones your job site with these zones considered to help avoid injury or considered to help avoid injury or damage to persons or property damage to persons or property nearby.nearby.

Refer to the Refer to the Owner/Operator Owner/Operator

Manual!Manual! For complete Safety Information, refer For complete Safety Information, refer

to the Owner/Operator manual provided to the Owner/Operator manual provided with your Peterson grinder. If you do with your Peterson grinder. If you do not have this manual, contact your not have this manual, contact your servicing dealer to purchase one. servicing dealer to purchase one. Follow all Safety procedures and train Follow all Safety procedures and train all operators and maintenance all operators and maintenance personnel on Safety Guidelines to personnel on Safety Guidelines to prevent damage to the machine, serious prevent damage to the machine, serious bodily injury or death.bodily injury or death.

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Grinder Safety General Safety Overview and Information