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M10
129

6

DISASSEMBLY/ASSEMBLY INSTRUCTIONS

Always wear eye protection when operating or perform-
ing maintenance on this tool.
Always turn off the air supply and disconnect the air
supply hose before installing, removing or adjusting
any accessory on this tool or before performing any
maintenance on this tool.

Never apply excessive pressure by a holding device which
may cause distortion of a part.

Apply pressure evenly to parts which have a press fit.

Apply even pressure to the bearing race that will be press
fitted to the mating part.

Use correct tools and fixtures when servicing this tool.

Don’t damage ‘‘O” rings when servicing this tool.

Use only genuine ARO replacement parts for this tool.
When ordering, specify part number, description, tool mod-
el number and serial number.

MOTOR DISASSEMBLY

Remove sanding pad (24).

Remove retaining ring (28).

Remove spindle assembly (27) (includes bearing). NOTE:
Do not attempt to remove bearing from spindle.

Remove lock ring (24) and pull motor and seal (19) from
housing.

Remove retaining ring (15).

Using special brass blocks to fit around o.d. of cylinder,
clamp around cylinder and press shaft of counterbalance
thru bearing (16) and end plate (17).

Remove blades (21), rotor (20) and key (25).

Remove end plate (22) and bearing (16).

MOTOR ASSEMBLY

Grease and assemble ‘‘O” ring (23) to lock ring (24).

Assemble lock ring (24) over counterbalance (26).

Assemble bearing (16) into end plate (22), pressing on out-
er race of bearing.

Assemble end plate (22) onto shaft of counterbalance,
pressing on inner race of bearing.

Install key (25) in key slot.

Assemble rotor (20) to counterbalance, aligning keyway to
key (25).

Assemble five rotor blades (21) to rotor slots.

Assemble cylinder (18) over rotor, aligning roll pin in cylin-
der with slot in end plate.

Assemble bearing (16) into end plate (17), pressing on out-
er race of bearing.

Assemble end plate (17), with bearing (16), to counterbal-
ance, pressing on inner race of bearing. NOTE: Align slot in
end plate with roll pin in cylinder.

Install retaining ring (15) to groove in counterbalance, with
bow in ring positioned as shown on parts illustration page.

Assemble seal (19) to grooves in cylinder.

Assemble motor to housing, aligning seal (19) with air inlet.

Tighten lock ring (24), securing motor assembly.

Lubricate needle bearing, contained in counterbalance,
with ARO 33153 grease.

Assemble spindle assembly (27) to counterbalance, se-
curing with retaining ring (28).

Assemble sanding pad (29) to tool and tighten securely.

THROTTLE DISASSEMBLY

Remove vacuum adapter (12)(if applicable) by pressing in
on tabs and pulling vacuum adapter out.

Models RS2( )A–VLV: Remove eductor assembly (31)(if
applicable). To remove, unthread upper section, press in
on tabs of lower section and pull assembly from housing.

Remove inlet adapter (9), releasing spring (8) and valve
(7). NOTE: Do not remove seat (6) unless damage is evi-
dent.

Remove muffler (11), releasing muffler tube (10).

To remove valve stem (2), remove roll pin (4) and lever (3).

THROTTLE ASSEMBLY

Coat valve stem (2) with ARO 29665 spindle oil and as-
semble into housing with hole in valve stem in line with
housing to accept valve (7).

Assemble seat (6) into housing with rounded corners into
housing first.

Coat valve (7) with ARO 29665 spindle oil and assemble
into housing, securing valve stem (2).

Assemble spring (8) into housing.

Assemble inlet adapter (9) to housing, securing throttle
components.

Assemble lever (3) to housing, securing with roll pin (4).

Assemble vacuum adapter (12) or plug (13) to housing. To
assemble vacuum adapter, push into housing until tabs on
vacuum adapter snap into slots in housing. To assemble
plug, push into housing until it is flush with port opening.

Models RS2( )A–VLV: Assemble eductor assembly (31) to
housing. To assemble, insert tapered section of eductor
assembly into housing while aligning threaded section with
housing. Using a wrench on flats, tighten threaded section
securely. Tabs will snap into slots in housing.

Содержание RS2**A-***

Страница 1: ...teriorated air hoses and fittings Be sure all hoses and fittings are the correct size and are tightly secured See Dwg TPD905 1 for a typical piping arrangement Always use clean dry air at 90 6 2 bar 620 kPa psig maximum air pressure Dust corrosive fumes and or excessive moisture can ruin the motor of an air tool Do not lubricate tools with flammable or volatile liquids such as kerosene diesel or j...

Страница 2: ...l or polishing bonnet with these tools Do not use any grinding wheel bur or metal removing accessory other than a sanding pad with these tools Never use an accessory having a maximum operating speed less than the free speed of the Sander in which it is being used These Sanders will operate at the free speed specified on the nameplate if the air supply line furnishes 90 psig 6 2 bar 620 kPa air pre...

Страница 3: ... one or two strokes of ARO Part 33153 grease through the end of the spindle 27 to lubricate the needle bearing which is in the end of the counterbalance 26 The sanding pad 29 must be removed from the spindle to allow injection of the grease Do not mark any nonmetallic surface on this tool with customer identification codes Such actions could affect tool performance MAIN LINES 3 TIMES AIR TOOL INLE...

Страница 4: ... RS2 A C V 10 11 NOT USED ON MODELS RS2 A VLV n 16 n 15 14 1 23 n 16 22 n 21 29 n 28 n INCLUDED IN SERVICE KIT NO 49837 K INCLUDED WITH MODELS RS2 A VLV ONLY INSTALL RETAINING RING 15 AS SHOWN BOWED AWAY FROM BEARING FACE WITH ROUNDED O D ON THIS SIDE 31 USED ON MODELS RS2 A VLV NOT SHOWN K 49973 DISPOSABLE BAG 3 K 49975 BAG COVER STANDARD MODELS EU MODELS K 49979 ADAPTER K 49982 HOSE K 49986 COLL...

Страница 5: ...VINYL FACE RS26A CLV EU 49936 48878 49099 1 6 VINYL FACE RS26A CSV 48274 1 48266 1 49099 6 VINYL FACE RS26A CSV EU 49936 48266 1 49099 1 6 VINYL FACE RS26A PSD 48274 1 48266 1 49880 6 DUCK FACE RS26A PSV 48274 1 48266 1 49879 6 VINYL FACE RS26A PSV EU 49936 48266 1 49879 1 6 VINYL FACE RS26A VLV 48274 1 48878 49099 6 VINYL FACE RS26A VLV EU 49936 48878 49099 1 6 VINYL FACE MODELS WITH EU SUFFIX AR...

Страница 6: ... 17 with bearing 16 to counterbal ance pressing on inner race of bearing NOTE Align slot in end plate with roll pin in cylinder Install retaining ring 15 to groove in counterbalance with bow in ring positioned as shown on parts illustration page Assemble seal 19 to grooves in cylinder Assemble motor to housing aligning seal 19 with air inlet Tighten lock ring 24 securing motor assembly Lubricate n...

Страница 7: ...M10 129 7 ...

Страница 8: ...PN 49999 451 ...

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