3M 28631 Instructivo página 2

PARTS LIST FOR PN 28631, 3,500 RPM, ROTARY BUFFER
Fig 3M PN Description QTY
1 55773 MOTOR SPACER ASSEMBLY 1
2 A0040 RETAINING RING 1
3 A0021 BEARING 1
4 B0017 REAR ENDPLATE 1
5 B0005 ROTOR 1
6 A0010 VANE 5
7 A0041 KEY 1
8 A0042 O-RING 1
9 A0005 CYLINDER ASSEMBLY 1
10 B0016 FRONT ENDPLATE 1
11 A0019 BEARING 1
12 55774 MOTOR SHAFT ASSEMBLY 1
3M 3 in. Rotary Buffer
Parts Page
Fig 3M PN Description
13 55775 MOTOR SPACER
14 55776 PLANET GEAR
15 55777 NEEDLE BEARING
16 55778 RING GEAR
17 A0045 O-RING
18 55779 MACHINED SPINDLE HOUSING
19 55780 PLANETARY SPINDLE ASSEMBLY 1
20 55781 BEARING
21 55782 SPACER
22 55783 BEARING
23 55784 RETAINING RING
24 55785 RETAINING RING
3
Fig 3M PN Description
25 30332 THREADED PLUG
26 28568 RH HOUSING
27 A0032 MUFFLER
28 30320 SEAL
29 28569 SEAL
30 30306 INLET CAPTIVE RING
31 30305 0-RING
32 30317 MUFFLER
33 30312 O-RING
34 28570 INLET/EXHAUST END CAP
ASSEMBLY
35 30321 SCREW
36 A0013 INLET BUSHING ASSEMBLY
37 30331 HANGER
38 30328 SPACER RING
39 30356 MOTOR HOUSING
40 30300 SPRING PIN
41 30313 VALVE STEM ASSEMBLY
42 A0015 VALVE SLEEVE
43 A0009 VALVE SEAT
44 A0007 VALVE
45 A0014 VALVE SPRING
Product Configuration / Specifications: 3,500 RPM Rotary Buffer
Model Pad Size
Number mm (in.)
28631 77 (3)
* Declared noise levels; measurements carried out in accordance with standard EN ISO 15744:2008.
** Declared vibration levels in accordance with EN12096; measurements carried out in accordance with standard EN ISO 28927-3 2009.
IMPORTANT NOTE: 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 scenarios. 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.
PRIOR TO THE OPERATION
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. 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, 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
Size - Minimum
QTY
10 mm 3/8 in
1
3
3
1
1
1
1
1
1
1
1
Revision 062612 3M 3 in. Rotary Buffer
QTY Fig 3M PN
2 46 30315
1 47 55786
1 48 30309
1 49 30307
1 50 30304
1 51 30351
1 52 30314
2 53 30310
1 54 55787
1 55 55788
56 20350
4
1 57 30334
1 58 30322
2 59 A0043
1 60 30330
1 61 A0039
1 62 28572
1
1
1
1
Speed RPM Net Wt. Height Length mm
kg. (lb.) mm (in.) (in.)
3,500 1.1 (2.42) 121 (4.75) 248 (9.75)
Operating / Maintenance Instructions
Recommended Maximum Hose Length
8 meters 25 feet
4
Description QTY
AIRLINE SEAL ASSEMBLY 1
THROTTLE LEVER 1
TUBING CLAMP 1
INLET TUBING 1
EXHAUST GASKET 1
EXHAUST NOZZLE 1
SCREW 3
EXHAUST TUBING 1
BUFFER SHROUD 1
13 mm PAD WRENCH 1
LOW PROFILE HOOKIT™ DISC 1
PAD, 3 in.
SIDE HANDLE 1
SCREW 7
O-RING 1
SPEED CONTROL 1
RETAINING RING 1
LH HOUSING 1
*Noise Level **Vibration **Uncertainty
dBA Pressure Level m/s ² K m/s ²
(Power) (ft/s ²)
80.0 (86.5) 0.39 (1.28) 0.53
Air Pressure
Maximum Working Pressure 6.2 bar 90 psig
Recommended Minimum N/A N/A
Revision 062612