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Summary of Contents for Onfloor OF20SH
- Page 1 Operation Manual & Parts List OF20SH & OF20SL Multi-Purpose Floor Machine HESE NSTRUCTIONS Address: 777 South Street, Newburgh, New York 12550-0606 TEL: 877.356.6703 / 845.565.6623 Internet Address: www.onfloor.com / sales@onfloor.com...
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Page 2: Table Of Contents
Machine Maintenance ...................... 17 OF20SL Handle & Base Assembly Drawing & Parts List ............18 OF20SH Handle & Base Assembly Drawing & Parts List ............19 OF20SL & SH Outer Bowl Drawing & Parts List ..............20 OF20SL & SH Inner Bowl Drawing & Parts List ..............21 Troubleshooting Guide ...................... -
Page 3: General Instructions
General Instructions READ & FOLLOW ALL INSTRUCTIONS BEFORE USING THIS FLOOR MACHINE This floor machine will afford you many years of trouble-free operating satisfaction if it is given proper care. All parts have passed rigid quality control standards before being assembled to produce the finished product. -
Page 4: Silica Vacuum Warning
The use of a dust extraction device should always be used when grinding/sanding dry with Onfloor equipment. To achieve a high level of dust collection, use an industrial HEPA vacuum cleaner. -
Page 5: Important Safety Instructions
13) DO NOT use around flammable or combustible liquids such as gasoline or use in areas where they may be present. 14) Replace damaged or worn parts immediately with genuine Onfloor equipment parts to maintain safety and protect your limited warranty. -
Page 6: Electrical Connections
OF20SH The OF20SH floor machines are for use on a nominal 208-240 volt single phase circuit. The Machine is NOT designed for 230 volt three phase use. The 5 hp machines are built with a male 30 amp plug (NEMA L6-30) on the cord. -
Page 7: Operating Instructions
Operating Instructions 1) Clear the floor of any materials or objects. 2) Select and install the accessory tools required for the job. (See p 8 for installation instructions.) 3) Move the handle from the upright “storage” position to the angled “operating” position and lock in place with the quick release pin. -
Page 8: Installation & Changing Of Accessory Tools
Installation & Changing of Accessory Tools When installing or changing tools, turn OFF the Machine and disconnect the power cord from the electrical outlet Before Installation or Changing Attachments: 1. Unplug the machine from the wall outlet. 2. Ensure that the handle is in the storage position (straight up) and locked in place with the quick release pin. -
Page 9: Belt Changing Instructions
Belt Changing Instructions 1) Unplug the machine from power source. 2) Place handle in the straight up position and lock in place using the quick release pin. 3) Using handle, tilt the machine back until handle is resting on the floor. 4) Remove tools from machine. -
Page 10: Inner Bowl Removal Instructions
Inner Bowl Removal Instructions This procedure requires a set of retaining ring plyers and safety glasses to complete. If you do not have retaining ring plyers they can be purchased at Lowes, Home Depot, Harbor Freight and other tool stores for about $20. -
Page 11: Inner Bowl Bearing Replacement
This job requires a set of retaining ring plyers, safety glasses and the proper replacement bearings. The bearings used here are 6009 bearings with double seals. These are available from Onfloor, part number 245666. It is very important to wear the safety glasses especially when removing and installing the retaining rings. - Page 12 and slowly drive the bearing until it is flush with the top of the casting. Now there are 2 ways to proceed. One is to find a round object (large socket, steel tube, steel rod, etc.) that will contact the outer race and also fit through the opening in the casting and use this object to further tap the bearing to the bottom of the cavity.
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Page 14: Pulley Bearing Replacement
The bearings used here are 6203 bearings with double seals. These are available from Onfloor, part number 245321. It is very important to wear the safety glasses especially when removing and installing the retaining rings. If you do not have retaining ring plyers they can be purchased at Lowes, Home Depot, Harbor Freight, and other tool stores for about $20. - Page 15 practical using 2 pieces of 2 x 4 lumber or 2 pieces of equal thickness steel. When pressing the old bearings out it is acceptable to use almost any device as a pushing tool as long as it will fit through the center opening without touching the pulley.
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Page 17: General Safety Precautions
General Safety Precautions This machine is designed for surfacing concrete and sanding wood floors. All operators and maintenance personnel should read and understand the safety procedures with this floor machine. 1) All personnel in the immediate work area must wear safety glasses with side shields whenever the machine is in operation. -
Page 18: Of20Sl Handle & Base Assembly Drawing & Parts List
OF20SL Handle & Base Assembly Drawing & Parts List PART PART ITEM DESCRIPTION ITEM DESCRIPTION HANDLE ASSY LO SPEED 115 VOLT 296791 SCREW, #10-24 X 1 335169 QUICK RELEASE PIN W/CABLE 456896 SWITCH BOX PLATE 281903 CIRCUIT BREAKER, 25 AMP 607495 SCREW, #8-32 X 1/2 385387... -
Page 19: Of20Sh Handle & Base Assembly Drawing & Parts List
OF20SH Handle & Base Assembly Drawing & Parts List PART PART ITEM DESCRIPTION ITEM DESCRIPTION HANDLE ASSY 230 VOLT HI SPEED 296732 GROMMET 490199 QUICK RELEASE PIN W/CABLE 456896 SCREW, #10-24 X 1 335169 SWITCH COVER PLATE 221767 SWITCH BOX PLATE... -
Page 20: Of20Sl & Sh Outer Bowl Drawing & Parts List
OF20SL & SH Outer Bowl Drawing & Parts List PART PART ITEM DESCRIPTION ITEM DESCRIPTION 2 HP MOTOR ASSY, 115 V (1760 RPM) 299774 ROUND HEAD SCREW, 1/4-20 X 3/4 342831 5 HP MOTOR ASSY, 230V (3450 RPM) 299782 SOCKET CAP SCREW 1/4-20 X 5/8 457310 GASKET, CAP 349496... -
Page 21: Of20Sl & Sh Inner Bowl Drawing & Parts List
OF20SL & SH Inner Bowl Drawing & Parts List PART PART ITEM DESCRIPTION ITEM DESCRIPTION 20" INNER BOWL W/SHAFTS, BEARINGS, 288527 SMALL BEARING SPACER 490474 SPACER BOWL BEARING 6009 2RS 245666 FLAT WASHER 16 MM OD 490636 LARGE BEARING SPACER 490571 NUT, NYLOK 5/8-11 490628... -
Page 22: Troubleshooting Guide
Troubleshooting Guide Problem: Motor will not run 1) Possible Cause: Power cord is not plugged in properly or damaged. Possible Solution: Plug in power cord properly or replace power cord if damaged. 2) Possible Cause: Blown fuse or tripped circuit breaker at the wall panel. Possible Solution: Replace fuse or reset circuit breaker. -
Page 23: Warranty Information
Warranty Information We guarantee to the original purchaser this floor machine against defects in material and workmanship for a period of 1 year from the date of delivery. Please note the following conditions pertaining to this warranty. 1) This warranty does not apply to any repair arising by reason of misuse, neglect, or abuse, or to proprietary parts.
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