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Copyright © 2016 Clayton Associates, Inc. • 1650 Oak St. • Lakewood, NJ 08701

800-248-8650 • www.VacuumSanding.com

5

Clayton Service Tools and Accessories

When a Clayton ROS needs to be serviced, we offer a tool kit to make the disassembly/assembly fast and easy. The Service 

Tools are highly recommended for use with the Overhaul Service Kit. NOTICE: To receive any expressed or implied warranty, 

the tool must be repaired by an authorized Clayton Service Center. The 5 in. and 6 in. TwoHAND™ Random Orbital Sanders 

Service Instructions section provided are for use after completion of the warranty period.

 UNIVERSAL SERVICE TOOL KIT

T-6 MOTOR LOCK RING 

WRENCH/SPINDLE PULLER 

T-8 MOTOR FACE PLATE 

BEARING REMOVAL TOOL 

T-13 BEARING 

PRESS TOOL

T-9 12 mm ID 

BEARING PULLER

T-1 ROS SPINDLE 

BEARING PRESS TOOLS

DISASSEMBLY INSTRUCTIONS

Motor Disassembly:

To prevent damage to the motor assembly the following 

sequence must be followed:

1.  Remove the Pad with the 24 mm Pad Wrench.

2.  Unscrew the Lock Ring with the T-6 Motor Lock Ring 

Wrench/Spindle Puller Tool.  The motor assembly and 

Lock Ring can now be lifted out of the Motor Housing.

3.  Remove the Retaining Ring and the O-Ring from the 

Cylinder.

4.  Remove the Rear Endplate. This requires supporting 

the Rear Endplate using a Bearing Separator and light

-

ly pressing the shaft through the Bearing and the Rear 

Endplate.  Remove the Cylinder and the five Vanes and 

Rotor from the shaft of the Shaft Balancer.  Remove the 

Keys then press off the Front Endplate (with Bearing),  

O-Ring and the Lock Ring.  It may be necessary to 

remove the Bearing with a Bearing Separator if it came 

out of the Front Endplate and stuck to the shaft of the 

Shaft Balancer.

5.   Remove and discard Dust Shield from the Shaft Bal

-

ancer.

6.  Remove the bearing(s) from the endplates by using the  

T-8 Bearing Removal Tool to press out the bearings. 

Shaft Balancer and Spindle Disassembly:

1.  With a thin screwdriver pick out the slotted end of the 

Retaining Ring and peel out.

2.  Screw the threaded end of the T-6 Motor Lock Ring 

Wrench/Spindle Puller Tool into the Spindle until hand 

tight.  Apply a gentle heat from a propane torch or hot 

air gun to the large end of the Shaft Balancer until it is 

about 212° F (100° C) to soften the adhesive. Do not 

over heat.  Remove the spindle assembly by using the 

slider to pull the spindle assembly outward.  Allow the 

parts to cool until they are safe to handle.  Do not “bang 

out” the spindle assembly using the T-6 Motor Lock 

Ring Wrench/Spindle Puller Tool because this could 

damage the Bearing.

3.  The AirSHIELD™ components are held in place by 

the light press fit of the Retainer.  These components 

can be damaged during removal and may need to be 

replaced if removed.  To remove the Retainer, use an 

NOTICE: To receive any expressed or implied warranty, the 

tool must be repaired by an authorized Service Center. 

The 5 in (127 mm.) and 6 in. (150 mm) TwoHAND™ Ran

-

dom Orbital Sander Service Instructions section provided is 

for use after completion of the warranty period.

Service Instructions

PN 673-B0537 Clayton General Rebuild Kit Contents

Item

Part No.

Description

Qty.

1

673-A0040 External Retaining Ring

1

17

673-A0090

Retaining Ring

1

2

673-A0021 Bearing – 2 Shields

1

59

673-A0628

O-Ring

1

5

673-A0042

O-Ring

1

54

673-A0043

O-Ring

1

14

673-A0122

Filter

1

15

673-A0121 Check Valve

1

16

673-A0120 Valve Retainer

1

41

673-A0500 Exhaust Gasket

1

35

673-A0655 Valve Stem Assembly

1

40

673-A0730 Airline Seal Assembly

1

6

673-B0118

Rotor

1

7

673-A0445 Vanes

5

8

673-A0041

Key

2

10

673-A0019

Bearing

1

18

673-A0751

Bearing

1

19

673-A1767

Spacer

1

56

673-A0039

Internal Retaining Ring

1

60

673-A0776 Muffler 

2

27

673-A0032 Muffler Insert 

1

37

673-A0009 Valve Seat

1

38

673-A0007 Valve

1

39

673-F0094 Valve Spring

1

N/A 673-A2152 5/6 in. TwoHand ROS Instructions

1

Clayton

 General Rebuild Kit

The Clayton General Rebuild Kit PN 673-B0537 contains 

all the replacement parts that naturally wear over time 

and a straightforward manual to make servicing a Clayton 

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 im

-

proper assembly.

Summary of Contents for TwoHAND

Page 1: ...is declaration relates is in conformity with the following standard s or other normative document s EN ISO 15744 2008 Following the provisions of 89 392 EEC as amended by 91 368 EEC 93 44 EEC 93 68 EEC Directives and consolidating Directive 2006 42 EC Place and date of issue Name Signature or equivalent marking of authorized person Important Read these instructions care fully before installing ope...

Page 2: ...Copyright 2016 Clayton Associates Inc 1650 Oak St Lakewood NJ 08701 800 248 8650 www VacuumSanding com ii ...

Page 3: ...un 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 is 90 psig 6 2 bar while the tool is running The tool can run at lower pressures but never higher than 90 psig 6 2 bar 1 Read all instructions before using this to...

Page 4: ...1 13 17 18 19 20 21 22 14 15 16 23 24 25 26 27 28 29 32 31 33 34 36 35 37 38 39 40 41 42 43 44 45 46 47 48 49 25 50 53 52 54 55 56 52 53 57 58 59 61 60 62 63 52 51 64 TO VACUUM SYSTEM FOR CENTRAL VACUUM 65 66 67 68 30 12 69 70 ITEM NO TORQUE SETTINGS in lbs N m 12 55 65 6 2 7 3 43 21 30 2 4 3 4 52 27 30 3 0 3 4 53 29 33 3 3 3 7 63 60 72 6 8 8 1 ...

Page 5: ...OTTLE SAFETY LEVER ASSEMBLY 1 673 A2400 3 8 in ORBIT THROTTLE SAFETY LEVER ASSEMBLY 1 31 673 A2062 HANGER 1 32 673 A1865 SPACER RING 2 33 673 B0356 MOTOR HOUSING W SIDE HANDLE MOUNTING STUDS 1 34 673 A0031 LEVER SPRING PIN 1 35 673 A0655 VALVE STEM ASSEMBLY 1 36 673 A0015 VALVE SLEEVE 1 37 673 A0009 VALVE SEAT 1 38 673 A0007 VALVE 1 39 673 F0094 VALVE SPRING 1 40 673 A0730 AIRLINE SEAL ASSEMBLY 1 ...

Page 6: ...ED 12 19 05 12 000 RPM Muffler Kit P N 673 A2524 27 60 60 RAG 01 30 08 PWH 02 13 08 RELEASE FOR PRODUCTION A DESCRIPTION DATE R REVISION RECORD TOOLS INC RAG 01 30 08 PWH 02 13 08 KIT 36 0 MM MOTOR XX XX 0 05 0 1 XPA1878 P N TITLE DRWN BY DATE DUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN XX MATERIAL NA NA 0 5 X POLE PRECISION PROPERTY OF X POLE PRECISION TOOLS INC ANY REPRO ANGLES PROPRIETARY...

Page 7: ...e threaded end of the T 6 Motor Lock Ring Wrench Spindle Puller Tool into the Spindle until hand tight Apply a gentle heat from a propane torch or hot air gun to the large end of the Shaft Balancer until it is about 212 F 100 C to soften the adhesive Do not over heat Remove the spindle assembly by using the slider to pull the spindle assembly outward Allow the parts to cool until they are safe to ...

Page 8: ...move the Mufflers Captive Ring O Ring and O Ring from the End Cap 8a For NV and CV machines Remove the exhaust Tub ing Tubing Clamp and inlet Tubing from the motor housing assembly Separate the exhaust Tubing Tub ing Clamp and inlet Tubing from each other 8b For SGV machines Remove the inlet Tubing from the motor housing assembly 9 Unscrew the three Screws from the motor housing as sembly 10a For ...

Page 9: ...aft Place the Spacer onto the shoulder of the Spindle Note Be sure that the Dust Shield is past the shoulder where Spacer rests Place the Bearing on the Spindle with the seal side toward the Washer Note Make sure that both the inner and outer races of the Bearing are supported by the Bearing Press Tool when pressing them into place Press the Bearing to the Spacer using the T 1B Spindle Bearing Pre...

Page 10: ...ill hear and feel a click when the lead thread of the Lock Ring drops into the lead thread of the housing 11 Spin on a new Pad and hand tighten it using the Pad Wrench Testing Place 3 drops of quality pneumatic air tool oil directly into the motor inlet and connect the machine to a 90 psig 6 2 bar air supply A 12 000 RPM tool should run between 11 500 to 12 500 RPM when the air pressure is 90 psig...

Page 11: ...sembly and Motor Assembly Motor Parts Worn Overhaul Motor Contact authorized Service Center Worn or broken Spindle Bearings Replace the worn or broken Bear ings See Shaft Balancer and Spindle Disassembly and Spindle Bearings AirSHIELD and Shaft Balancer As sembly Air leakage through the Speed Control and or Valve Stem Dirty broken or bent Valve Spring Valve or Valve Seat Disassemble inspect and re...

Page 12: ...Copyright 2016 Clayton Associates Inc 1650 Oak St Lakewood NJ 08701 800 248 8650 www VacuumSanding com 10 ...

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