3M AT-DIS7_PROHD - Manual
3M AT-DIS7_PROHD – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – III. This section is for SGV Exhaust machines:; RANDOM ORBITAL SANDERS SERVICE INSTRUCTIONS
- Page 3 – ASSEMBLY INSTRUCTIONS; II. This section continued from Section I for CV Ex-; Press Tool Top
- Page 5 – Troubleshooting Guide
34-8700-5191-8
1
Revision 10/03/07
3M™ Overhaul Service Kit
The part number 20347,
3M™ Overhaul Service Kit, contains all the replacement parts that naturally
wear over time and a straightforward manual to make servicing a 3M™ sander simple. Overhauling the
Random Orbital Sander can be made even easier with the use of the above Service Tools. The Service
Tools also reduce the chance of improper assembly.
SERVICE INSTRUCTIONS FOR
3M™ 12,000 RPM 5 in. (127 mm)
and 6 in. (150 mm)
RANDOM ORBITAL SANDERS
Part Number
Description
Qty
3MA0040
EXTERNAL RETAINING RING
1
3MA0021
BEARING - 2 SHIELDS
1
3MB0005
ROTOR
1
3MA0010
VANE
5
3MA0041
WOODRUFF KEY
1
3MA0042
O-RING
1
3MA0019
BEARING - 2 SHIELDS
1
3MA0938
DOUBLE ROW ANGULAR CONTACT BEARING - 1 SEAL
1
3MA0039
INTERNAL RETAINING RING
1
3MA0062
INTERNAL MUFFLER
1
3MA0068
MUFFLER INSERT
1
3MA0007
VALVE
1
3MA0009
VALVE SEAT
1
3MA0014
VALVE SPRING
1
3MA0043
O-RING
1
3MA0008
VALVE STEM ASSEMBLY
1
3MA0166
MUFFLER HOUSING
1
3MA0016
SPACER
1
3MA1417
INSTRUCTIONS FOR 5 in. AND 6 in. ROS OVERHAUL SERVICE KIT
1
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Summary
34-8700-5191-8 2 Revision 10/03/07 DISASSEMBLY INSTRUCTIONS Changing Grips: 1. The Grip has two “tabs” that wrap around the body of the sander under the inlet and exhaust. Use a small screwdriver to pick out one of the “tabs” of the Grip, and then continue to go underneath the Grip with the screwdri...
34-8700-5191-8 3 Revision 10/03/07 B) Remove the Ø 1 in. (28 mm) Hose SGV Swivel Exhaust Assembly from the Housing and SGV Skirt Adapter or SGV Shroud Adapter. C) Pull the SGV Retainer out of the bore of the Swivel Exhaust Assembly and remove the two O-rings. D) Remove the Vacuum Shroud or Vacuum Sk...
34-8700-5191-8 5 Revision 10/03/07 Symptom Possible Cause Solution Low Power and/or Low Free Speed Insufficient Air Pressure Check air line pressure at the Inlet of the Sander while the tool is running at free speed. It must be 90 psig (6.2 Bar). Clogged Muffler(s) See the “Housing Disassembly” sect...
