OWNERS MANUAL BLOCK BUSTER MINI MASONRY SAW MODELS BBM307 YBM307 A PRODUCT OF NORTON COMPANY Revised 9-2003
Shown In Standard Configuration Shown With Dust Collecting & Dust Vacuum System A PRODUCT OF NORTON COMPANY
WARRANTY Norton warrants to the purchaser that each unit will be free from defects in materials or workmanship for one hundred eighty (180) days from the original purchase date from Norton when used for commercial, institutional or professional use: or for thirty (30) days from the original purchase date from Norton when used for rental purposes.
BBM307/YBM307 OWNER'S MANUAL CONTENTS Safety Precautions PAGE 5-6 Specifications and Features 7 Items Included 8 Cutting Angle Spring Lock Pin 9 Dust Collection Pan 10 Conveyor Cart Assembly 11 Electric Motor 12 Electrical Safety 12-15 Carbon Brush 16 Air Filter 17 Conveyor Cart Assembly Figure 1 18 Conveyor Cart Assembly Figure 2 19 Frame and Dust Collecting Pan 20 Cutting Table Guide Rails 21 Cutting Table Assembly 22 Dust Guard Assembly (Optional) 23 Electrical System 24
Use Only Norton Diamond Blades Safety Precautions Important! The following safety precautions must always be observed. Hazard Symbols Keep all guards in place when operating any piece of equipment Keep hands, feet, hair, and clothing away from all rotating parts Never tamper with the governor components of settings to increase the maximum speed. Severe personal injury and damage to the motor or equipment can result if operated at speed above maximum. Always obey the maximum speed rating of blade.
Lift Here Lift Here Machine Lifting Points: Only lift machine by the approved lifting points. 1. Before mounting any blade on the saw, the blade should be inspected for any damage which might have occurred during shipment, handling or previous use. 2. The blade collars and arbors should be cleaned and examined for damage before mounting the blade. 3. The blade must be properly fitted over the arbor. 4.
Specifications and Features BBM307/YBM307 Specifications Horse Power 3 HP (2,238 kW) Peak Volts 115 -volts Amps 14 A Hertz (Cycles) 60 Hz Motor Type Air Cooled Carbon Brush Bearing Type Heavy Duty Sealed Blade Shaft Speed 3,600 rpm Maximum Blade Size 14 in (356mm) Arbor Size 1 in (25.
Items Included The compact BBM307/YM307 Masonry saws are shipped completely assembled and ready for use except for the diamond blade. Inspect the saw for shipping damage. If any damage is found, contact the shipper immediately and file a freight claim. The Norton Company is not responsible for any freight related damages. Remove the saw from the shipping container.
Cutting Angle Spring Lock Pin The BBM307/YBM307 Block Buster Mini Masonry saw is designed with three different cutting heights for jam cutting, a moving head for chop (or plunge cutting), and a moving cart combined with the moving head for step cutting to help make any cutting task easier. Before adjusting the cutting height always disconnect the electrical power supply.
Dust Collection Pan The Dust Collection Pan is assembled to the machine from the factory. The following procedure is to remove or to replace the Dust Collection Pan Assembly: 1. Remove Conveyor Cart (see page 11 Conveyor Cart Assembly for instructions) and then remove the four (4) sets of Hardware (Bolt, Lock Washer, and Washer) from each corner of the machine frame and remove the rails from the frame (see Figure 2-1: Removing the Rails). Note the orientation of the Hardware and the Rails. 2.
Conveyor Cart Assembly The BBM307 Conveyor Cart Assembly is specially designed with the following unique features: · Dust extraction. The rear of the Conveyor Cart is designed to help extract dust out of the back of the machine when dry cutting · Four heavy duty rolling wheels with bearings, roll smooth and provide for a long life. · Conveyor Cart mounting bracket helps to prevent the Conveyor Cart from falling off the machine during use or transportation.
Electric Motor The BBM307/YBM307 Block Buster Mini Masonry Saw electrical information: Motor Specifications: Voltage: 115-volt Cycles: 60Hz Amperage: 14Amp Horsepower: 3HP Peak Watts: 2,238 watt Extension Cords: Most motor trouble is the result of too small gauge or too long of extension cord. Cords must be one piece and as short as possible. Cords should be no longer than shown in the following table.
Electrical Safety This tool is intended for use on a circuit that has an outlet that looks like the one shown below: Grounding Instructions: In the event of a malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk of electric shock. This tool is equipped with an electric cord having an equipment-grounding conductor and a grounding plug.
Electrical Safety 12. SECURE WORK. Use clamps or vise to hold work when practical. It’s safer than using your hand and it frees both hands to operate tool. 13. DON’T OVERREACH. Keep proper footing and balance at all times. 14. MAINTAIN TOOLS WITH CARE. Keep tools sharp and clean for best and safest performance. Follow instructions for lubricating and changing accessories. 15. DISCONNECT TOOLS before servicing; when changing accessories, such as blades, bits, cutters, and the like. 16.
Electrical Safety Position of Saw: 1. To avoid the possibility of the receptacle getting wet, position the saw on one side of a wall mounted receptacle to prevent water from dripping onto the receptacle or plug. The user should arrange a “Drip Loop” in the cord connecting the saw to a receptacle. The “Drip Loop” is that part of the cord below the level of the receptacle, or the connector if an extension cord is used, to prevent water traveling along the cord and coming in contact with the receptacle. 2.
Carbon Brush The BBM307/YBM307 Block Buster Mini Masonry Saw uses a high horsepower low amperage air over brush motor. Replace the brushes when the motor begins to lose power. Brushes typically need to be replaced During the life of the saw. Replace the brushes when over 2/3 of their original length is used (when the over all length of the brush is less than 7/16” (11.1mm). It is normal for the brushes to wear down. Brush Replacement: 1. Disconnect the electrical supply 2. Remove the Air Filter. 3.
Air Filter The BBM307/YBM307 Block Buster Mini Masonry Saw is equipped with a specially designed air filter to help protect the motor from damage due to dust intake. For Best Performance: · Clean Air Filter Before Each Use · Inspect Air Filter and Replace Filter if Damaged · Do Not Use the Machine with a Dirty, Damaged, or Missing Air Filter · Reinstall the Filter Before Use To clean the Air Filter: 1. Carefully remove the Air Filter from the Motor Air In-Take Cover opening.
