3M Power Hammer 000 RPM 100 mm 4 in User Manual

3
Cut-Off Wheel Tool INSTRUCTIONS MANUAL  
25,000 RPM 76 mm (3 in), 20,000 RPM 100 mm (4 in), 12,000 RPM 115 mm  
(4.5 in), 12,000 RPM 125 mm (5 in), and 10,000 RPM 152 mm (6 in)  
Important Safety Information  
Please read, understand and follow all safety information contained in these instructions prior to the use of this tool.  
Retain these instructions for future reference.  
Intended Use  
These pneumatic tools are designed to be used with the appropriate size Type 1 and Type 41 abrasive Cut-Off Wheel for cutting metals. It should only be used for  
such cutting applications and within its marked capacity and ratings. Only accessories specifically recommended by 3M should be used with this tool. Use in any  
other manner or with other accessories could lead to unsafe operating conditions.  
Do not operate tool in water or in an excessively wet application.  
Do not use cut-off wheels that have a Max RPM less than the marked RPM Rating on the tool.  
Explanation of Signal Word Consequences  
Indicates a potentially hazardous situation which, if not avoided, may result in death or serious injury  
and/or property damage.  
Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate  
injury and/or property damage.  
WARNING:  
CAUTION:  
WARNING  
To reduce the risks associated with impact from abrasive product or tool breakup, sharp edges, hazardous pressure, rupture, vibration and noise:  
• Read, understand and follow the safety information contained in these instructions prior to the use of this tool. Retain these instructions for future  
reference.  
• Only personnel who are properly trained should be allowed to service this tool.  
• Practice safety requirements. Work alert, have proper attire, and do not operate tools under the influence of alcohol or drugs.  
• Operators and other personnel must always wear protection for eyes, ears, and respiratory protection when in the work area or while operating this  
product. Follow your employer’s safety policy for PPE’s and/or ANSI Z87.1 or local/national standards for eyewear and other personal protective equipment  
requirements.  
• Wear leather apron or other protective apparel, taking into consideration the type of work being done.  
• Never exceed marked maximum input pressure (90psi / .62Mpa / 6.2Bars).  
• Proper eye protection must be worn at all times.  
• Tool shall not be operated in the presence of bystanders.  
• If you notice any abnormal noise or vibration when operating the product, immediately discontinue its use and inspect for worn or damaged components  
(mounting hardware, abrasive product, etc). Correct or replace the suspect component. If abnormal noise or vibration still exists, return the tool to 3M for  
repair or replacement. Refer to warranty instructions.  
• Never operate this tool as a cut-off wheel tool without all guards or safety features in place and in proper working order.  
• Prior to use, ensure guard is oriented to protect the operator from flying fragments and is properly secured.  
• Do not remove or disable safety feature of on-off control device.  
• Make sure the tool is disconnected from its air source before servicing, inspecting, maintaining, cleaning, and before changing abrasive product.  
• Only use wheel retainers and wheel arbors supplied by 3M.  
• Prior to use, or if dropped or jammed, inspect wheel retainers and wheel arbors and abrasive product for possible chips, cracks or other damage, and  
insure the abrasive product is correctly secured. If damaged, replace with new abrasive product and wheel retainers and wheel arbors available from 3M.  
Original Instructions  
1
 
Parts Page  
PARTS LIST FOR PT# FOR 20233, 25000 RPM, 3”, & 20234, 20000, RPM, 4”  
CUT-OFF TOOLS  
Fig. #  
1
1
2
3
4
5
6
7
3M Part Number  
06570  
06594  
06585  
06584  
06565  
06579  
06609  
06510  
06639  
06561  
06643  
06563  
06601  
06560  
06527  
06508  
06567  
06568  
06638  
06558  
06543  
06511  
06556  
06501  
06598  
06642  
06559  
06566  
06557  
06552  
06553  
06554  
06555  
06608  
06604  
06605  
06607  
06522  
06610  
Description  
3” Cut-off Wheel Guard  
4” Cut-off Wheel Guard  
Wheel Retainer  
Wheel Arbor  
Retainer  
O-Ring 7/8” x 1/4” x 3/16”  
O-Ring  
Ball Bearing 3/8” X 7/8” X 9/32”  
Front End Plate  
Rotor  
Vane, Set of 5  
Cylinder (25,000 RPM)  
Cylinder (20,000 RPM)  
Rear End Plate  
Wave Washer .440” X .618” X .008”  
Ball Bearing  
Washer .251” X .468” X .063”  
Screw #8-32 X 3/8” But Hd Cap  
Housing  
Torr Pin, 3/16” X 7/8”  
O-Ring  
O-Ring  
Regulator  
Screw, 6-32 X 3/4” Set Soc Hex  
Housing Cover  
Lever  
8
9
10  
11  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
34  
35  
36  
Groove Pin, 1/8” X 7/8” Type E  
Warning Label  
Muffler  
Throttle Valve Seat  
Throttle Valve  
Taper Spring  
Screen  
O-Ring, 1/16” X 5/8” X 3/4”  
Rotatable Exhaust Defl ector  
Inlet Bushing  
Inlet Bushing, 3/8” NPT (4”)  
7/8” Wrench  
3/16” Hex Wrench  
3
 
Parts Page  
PARTS LIST FOR PT# FOR 20243, 12000 RPM, 4 1/2”, 20235, 12000 RPM, 5”,  
& 20236, 10000 RPM, 6” ANGLE CUT-OFF TOOLS  
3M Part  
Fig. # Used  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
Number  
06652  
06653  
06520  
06655  
06609  
06510  
06639  
06562  
06643  
06563  
06601  
06560  
06527  
06508  
06567  
06568  
06638  
06558  
06543  
06511  
06556  
06501  
06598  
06642  
06559  
06566  
06557  
06552  
06553  
06554  
06555  
06608  
06604  
06607  
06524  
06544  
Description  
Angle Head Spacer  
Angle Head Clamp Nut  
Pin, 1/8” x 1/4”  
Lock Ring  
O-Ring  
Ball Bearing 3/8” X 7/8” X 9/32”  
Front End Plate  
Rotor  
Vane, Set of 5  
Cylinder (12,000 RPM)  
Cylinder (10,000 RPM)  
Rear End Plate  
Wave Washer .440” X .618” X .008”  
Ball Bearing  
Washer .251” X .468” X .063”  
Screw #8-32 X 3/8” But Hd Cap  
Housing  
Torr Pin, 3/16” X 7/8”  
O-Ring  
O-Ring  
Regulator  
Screw, 6-32 X 3/4” Set Soc Hex  
Housing Cover  
Lever  
Fig. #  
1
1
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
3M Part Number  
06597  
06595  
06596  
06590  
06589  
06651  
06648  
06644  
06504  
06542  
06550  
06649  
06654  
06503  
06526  
06523  
06650  
Description  
4 1/2” Cut-off Guard  
5” Cut-off Guard  
6” Cut-off Guard  
Wheel Retainer  
Wheel Arbor  
Output Spindle  
Groove Pin, 1/8” X 7/8” Type E  
Warning Label  
Muffler  
Throttle Valve Seat  
Throttle Valve  
Taper Spring  
Gear Spacer and Ball Bearing  
Spriral Bevel Gear Set  
Elastic Stop Nut 9/16”-18  
Ball Bearing  
Wave Washer  
HD Angle Head  
Hex Head Plug Bolt (2)  
Jam Nut  
Handle  
Grease Fitting  
Screen  
O-Ring, 1/16” X 5/8” X 3/4”  
Rotatable Exhaust Defl ector  
Inlet Bushing, 3/8” NPT (4”)  
5/8” Wrench  
Angle Head Cap  
Adjustable Spanner Wrench  
4
 
Product Configuration/Specifications:  
Model  
Number  
Side  
Handle  
Wheel  
Size  
Speed  
RPM  
Product  
Net WT. kg. (lb.) mm (in.)  
Height  
Length  
mm (in.)  
*Noise Level dBA **Vibration Level **Uncertainty K  
2
2
2
Pressure (Power)  
m/s (ft/s )  
11.1 (36.5)  
19.8 (65.1)  
8.1 (26.6)  
8.1 (26.6)  
8.1 (26.6)  
m/s  
4.44  
20233  
20234  
20243  
20235  
20236  
NA  
NA  
3”  
4”  
25,000  
20,000  
12,000  
12,000  
10,000  
0.95 (2.09)  
1.02 (2.25)  
1.49 (3.30)  
1.57 (3.47)  
1.67 (3.69)  
76,2 (3.00) 196 (7.75)  
82,5 (3.25) 196 (7.75)  
133 (5.25) 222 (8.75)  
133 (5.25) 222 (8.75)  
133 (5.25) 222 (8.75)  
83.5 (95.1)  
7.92  
3.24  
3.24  
3.24  
83.5 (95.1)  
1
Yes  
Yes  
Yes  
4 /2”  
83.5 (95.1)  
5”  
6”  
83.5 (95.1)  
83.5 (95.1)  
* Declared noise levels; measurements carried out in accordance with standard EN ISO 15744:2002.  
** Declared vibration levels in accordance with EN12096; measurements carried out in accordance with standard EN ISO 8662-4;1997.  
The noise and vibration values stated in the table are from laboratory testing in conformity with stated codes and standards and are not sufficient risk evaluation  
for all exposure scenerios. Values measured in a particular work place may be higher than the declared values. The actual exposure values and amount of risk  
or harm experienced to an individual is unique to each situation and depends upon the surrounding environment, the way in which the individual works, the  
particular material being worked, work station design, as well as upon the exposure time and the physical condition of the user. 3M cannot be held responsible  
for the consequences of using declared values instead of actual exposure values for any individual risk assessment.  
Operating / Maintenance Instructions  
The tool is intended to be operated as a hand held tool. It is always recommended that while using the tool, operators stand on a solid floor, in a secure position  
with a firm grip and footing. Be aware that the tool can develop a torque reaction. See the section “SAFETY PRECAUTIONS”.  
Use a clean lubricated air supply that will give a measured air pressure at the tool of 6.2 bar (90 psig) when the tool is running with the lever fully depressed. It  
is recommended to use an approved 10 mm (3/8 in) x 8 m (25 ft) maximum length airline for the 3 in. Cut-Off Wheel Tool and a 12.7 mm (1/2 in) x 8 m (25 ft)  
maximum length airline for the 4 in. and larger Cut-Off Wheel Tools. Connect the tool to the air supply as shown in Figure 1. Do not connect the tool to the airline  
system without an easily accessible air shut off valve. It is strongly recommended that an air filter, regulator and lubricator (FRL) be used as shown in Figure 1 as  
this will supply clean, lubricated air at the correct pressure to the tool. In any case appropriate air pressure regulators shall be used at all times while operating  
this tool where the supply pressure exceeds the marked maximum of the tool. Details of such equipment can be obtained for your tool distributor. If such  
equipment is not used, the tool should be manually lubricated. To manually lubricate the tool, disconnect the airline and put 2 to 3 drops of suitable pneumatic  
motor lubricating oil such as 3M™ Air Tool Lubricant PN 20451, Fuji Kosan FK-20 or Mobil ALMO 525 into the hose end (inlet) of the tool. Reconnect tool to the air  
supply and run tool slowly for a few seconds to allow air to circulate the oil. If the tool is used frequently, lubricate it on a daily basis or lubricate it if the tool starts  
to slow or lose power. It is recommended that the air pressure at the tool be 6.2 bar (90 psig) while the tool is running so the maximum RPM is not exceeded. The  
tool can be run at lower pressures but should never be run higher than 6.2 bar (90 psig). If run at lower pressure the performance of the tool is reduced.  
Recommended Airline  
Recommended Maximum  
Air Pressure  
Size - Minimum  
Hose Length  
25 feet  
10 mm  
12.7 mm  
3/8 in  
1/2 in  
8 meters  
Maximum Working Pressure 6.2 bar  
90 psig  
NA  
Recommended Minimum  
NA  
Lubricate the angle head every 6-8 working hours with premium grease with the following properties:  
-High and low temperature performance  
-Shear stable  
-Anti-wear protection  
-Low viscosity base flare for high speed application  
-Very low coefficient of friction  
Fuchs Renolit AX S2 or equal is recommended. Grease gun and grease available from your grease supplier.  
5
 
Closed Loop Pipe System  
Sloped in the direction of air flow  
Safety Precautions  
Drain Leg  
Ball Valve  
1. Read all instructions before using this tool. All operators must be  
fully trained in its use and aware of these safety rules.  
2. The tool RPM should be checked on a regular basis (at shift change).  
3. Make sure the tool is disconnected from the air supply. Select a  
suitable abrasive cut-off wheel and secure it to the mounting shaft  
using the wheel retainer and wheel arbor supplied with the tool.  
Be careful to center the cut-off wheel on the wheel arbor before  
tightening the wheel retainer nut. Do not over tighten the wheel  
retainer or you will crack the wheel.  
4. Always wear required safety equipment when using this tool.  
5. Always remove the air supply to the tool before fitting, adjusting or  
removing the abrasive cut-off wheel.  
6. Always adopt a firm footing and grip and be aware of torque  
reaction developed by the tool.  
To Tool Station  
Filter  
Ball  
Valve  
Regulator  
Lubricator  
Ball Valve  
Air Flow  
Air Dryer  
Drain Valve  
7. Use only 3M approved spare parts.  
Air Hose  
8. Always ensure the material being worked is firmly fixed to avoid  
movement.  
To Coupler  
at or near Tool  
Air Compressor  
and Tank  
9. Check hose and fittings regularly for wear. Do not carry the tool by  
its hose; always be careful to prevent the tool from being started  
when carrying the tool with the air supply connected.  
10. Dust can be highly combustible. Keep working area clean.  
11. If tool is serviced or rebuilt check to ensure that the maximum tool  
RPM is not exceeded and that there is no excessive tool vibration.  
12. Do not exceed maximum recommended air pressure. Use safety  
equipment as recommended.  
Figure 1  
3M™ Cut-Off Wheel  
3M™ Cut-Off Wheels are designed for use on the 3M™ Cut-Off Wheel Tools.  
Cut-Off Wheel Tool Model number 20235 is designed for use with 5” diameter  
and 125 mm diameter abrasive wheels. When mounting new unused abrasive  
wheels, ensure the true wheel diameter is no larger than 127.5 mm and no  
smaller than 122.5 mm.  
13. Prior to installing any abrasive cut-off wheel, always check that it’s  
marked maximum operating speed is equal or higher than the rated  
speed of this tool.  
14. The tool is not electrically insulated. Do not use where there is a  
possibility of contact with live electricity, gas pipes, and/or water  
pipes.  
See 3M ASD Accessory catalog 61-5002-8098-9 and Fantastic Finishes &  
More catalog 61-5002-8097-1 for additional Back-Up Pads and Accessories.  
15. Take care to avoid entanglement with the moving parts of the tool  
with clothing, ties, hair, cleaning rags or loose hanging objects. If  
entangled, stop air supply immediately to avoid contact with moving  
tool parts.  
16. Keep hands clear of the spinning cut-off wheel during use.  
17. If the tool appears to malfunction, remove from use immediately and  
arrange for service and repair.  
Cut-Off Tools  
Removing and Mounting  
Cut-Off Wheels on tool  
1. Disconnect air line from tool.  
18. Do not allow the tool to free spin without taking precautions to  
protect any persons or objects from the rupture of the abrasive  
cut-off wheel.  
19. Immediately release the start handle in the event of any disruption  
of pressure; do not attempt to re-start until the disruption has been  
corrected.  
20. When tool is not in use, store in a clean, dry environment free of  
debris and in a manner that ensures that the cutting-off wheel is  
not damaged.  
21. Fixture workpiece such that the cut slot is kept at a constant or  
increasing width during the operation.  
2. Use the hex wrench for the 3” and 4” cut-off tool and the flat wrench for  
the 4-1/2”, 5”, and 6” cut-off tools to secure the tool spindle.  
3. Use the flat wrench for the 3” and 4” cut-off tool and the adjustable  
spanner wrench for the 4-1/2”, 5” and 6” cut-off tools to turn the outer  
wheel retainer counter clockwise.  
4. After the old cut-off wheel has been removed from the tool, inspect  
the threaded shaft to ensure that the threads are free of debris and  
undamaged.  
5. Place the new cut-off wheel on the shaft with the center hole aligned on  
the centering lip of the wheel arbor.  
6. Secure the tool spindle and wheel retainer with the appropriate  
wrenches and tighten the wheel retainer. Be careful not to over tighten  
the wheel retainer or the cut-off wheel could be damaged.  
22. Operate tool in a well lit work area.  
23. Recycle or dispose of tool according to Local, State, and Federal  
regulations.  
6
 
with all applicable operating instructions, safety precautions, and other  
procedures stated in the operating manual to be entitled to warranty coverage.  
3M shall have no obligation to repair or replace any tool or part that fails due to  
normal wear, inadequate or improper maintenance, inadequate cleaning, non-  
lubrication, improper operating environment, improper utilities, operator error  
or misuse, alteration or modification, mishandling, lack of reasonable care, or  
due to any accidental cause. If a tool or any part thereof is defective within this  
warranty period, your exclusive remedy and 3M’s sole obligation will be, at 3M’s  
option, to repair or replace the tool or refund the purchase price.  
Limitation of Liability: Except where prohibited by law, 3M and seller will not  
be liable for any loss or damage arising from the 3M product, whether direct,  
indirect, special, incidental or consequential, regardless of the legal theory  
asserted, including warranty, contract, negligence or strict liability.  
Submitting a Warranty Claim: Contact your dealer when submitting a warranty  
claim in accordance with the restrictions listed above. Please note that all  
warranty claims are subject to manufacturer’s approval. Be sure to keep your  
sales receipt in a safe place. This must be submitted when filing a warranty  
claim, within 1 year from the date of purchase.  
Product Use: All statements, technical information and  
recommendations contained in this document are based up on tests or  
experience that 3M believes are reliable. However, many factors beyond  
3M’s control can affect the use and performance of a 3M product in  
a particular application, including the conditions under which the 3M  
product is used and the time and environmental conditions in which the  
product is expected to perform. Since these factors are uniquely within  
the user’s knowledge and control, it is essential that the user evaluate  
the 3M product to determine whether it is fit for a particular purpose and  
suitable for the user’s method of application.  
Warranty and Limited Remedy: 3M warrants this tool against defects  
in workmanship and materials under normal operating conditions for one  
(1) year from the date of purchase. 3M MAKES NO OTHER WARRANTIES,  
EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED  
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR  
PURPOSE OR ANY IMPLIED WARRANTY ARISING OUT OF A COURSE  
OF DEALING, CUSTOM OR USAGE OF TRADE. User is responsible for  
determining whether the 3M tool is fit for a particular purpose and  
suitable for user’s application. User must operate the tool in accordance  
Product Repair after Warranty Has Expired  
3M does not offer repair service for product out of warranty.  
3
Abrasive Systems Division  
3M Center, Building 223-6N-02  
St. Paul, MN 55144-1000  
© 3M 2008  
3M is a trademark of 3M Company.  
34-8701-2621-5  
7
 
Contact: Michelle Dumas  
Creator: deZinnia  
Spec # 34-8701-2621-5  
Structure: SS-12395  
Ink: Black  
Date: 06/27/08  
Version 1  
8
 

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