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  5. Service Instructions

3M RANDOM ORBITAL SANDERS Service Instructions

Summary of RANDOM ORBITAL SANDERS

  • Page 1

    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 eas...

  • Page 2

    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...

  • Page 3

    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...

  • Page 4

    34-8700-5191-8 4 revision 10/03/07 into the mounting hole of the swivel exhaust assembly and housing until the end of the screw is flush with the inside surface of the housing. Place the nut into the cavity of the housing and thread the screw into the nut until tight. Move onto the “spindle, bearing...

  • Page 5

    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...