3M AT-DIS7_PROHD manual 3MA0021, 3MB0005, 3MA0010, 3MA0041, 3MA0042, 3MA0019, 3MA0938, 3MA0039

Page 1

SERVICE INSTRUCTIONS FOR 3M™ 12,000 RPM 5 in. (127 mm) and 6 in. (150 mm)

RANDOM ORBITAL SANDERS

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.

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

34-8700-5191-8

Revision 10/03/07

Image 1
Contents 3MB0005 3MA00213MA0010 3MA0041Shaft Balancer and Spindle Disassembly Motor DisassemblyHousing Disassembly Changing GripsII. This section from Section I for CV Ex- haust machines Housing AssemblyFor 5 and 6 in and 150 mm machines Motor Assembly Spindle, Bearing Shield and Shaft Balancer AssemblyTesting III. This section for SGV Exhaust machinesLow Power and/or Low Free Speed Symptom Possible Cause SolutionInternal air leakage in the Motor Housing Disassemble the Sander and clean