3M Pneumatic Orbital Sander 28528 Parts

Having trouble with your 28528 3M pneumatic orbital sander or does it need some maintenance? Quickly and easily find the part you need below using the schematic and numbered table.

Item	Part #	Description
1	28113	External Retaining Ring
2	55185	Bearing 10mm x 22mm x 6mm deep Groove Ball (2 Shields 6900ZZ)
3	55174	Rear Endplate Elite
4	30347	Cylinder Assembly
5	28115	O-Ring 5mm x 2mm
6	28170	Machined Rotor
7	28099	Vane
8	28114	3mm x 13mm Woodruff Key
9	30326	Front Endplate
10	28106	12mm x 28mm x 8mm Bearing - 2 Shields
11	28118	O-Ring 39 4mm
12	30337	Lock Ring 50mm Thread
13	55186	Front Bearing Dust Shield
14	55197	Shaft Balancer 70mm x 198mm 1/8 in. (3mm) Orbit Elite
15	28132	Filter
16	28131	Duckbill Check Valve
17	28130	Valve Retainer
18	28127	Retaining Ring
19	28148	12mm x 28mm x 16mm Double Row Angular Contact Bearing - 1 Seal
20	28103	Spacer 12.1mm x 18.0mm x 0.2mm
21	55187	Spindle Bearing Dust Shield
22	28104	Belleville Washer
23	55162	Spindle Assembly
24	28105	Retaining Ring
25	28125	Spacer 6.5mm x 20mm x 0.2
26	28126	Spacer 6.5mm x 20mm x 0.4
27	55204	2 1/2 in. (65mm) Grip Elite
27	55205	2 3/4 in. (69mm) Grip Elite
27	55206	3 in. (76mm) Grip Elite
28	55184	3M 10,000 OPM 3mm (1/8 in.) Orbit Lever Elite
29	28109	Lever Spring Pin
30	28097	Valve Stem Assembly
31	28102	Valve Sleeve
32	28112	Internal Retaining Ring
33	28116	O-Ring 9mm x 1.5mm
34	55172	Speed Control Elite
35	28144	Hex Socket Button Head Machine Screw M4 x 12
36	28123	M4 Washer 4.3 Inner Diameter (ID) x 9 Outer Diameter (OD) x 0.8 Thick
37	55215	Right Hand Housing - 2 3/4 in. x 7 3/4 in. (70mm x 198mm) Elite
38	55199	Inner Housing Machined
39	55214	Left Hand Housing - 2 3/4 in. x 7 3/4 in. (70 x 198mm) Elite
40	55196	Screw Button Head Torx M4 x 20mm
41	30321	Screw Button Head Torx M4 x 15mm

Item	Part #	Description
42	30322	Screw Button Head Torx M4 x 30mm
43	55213	Mini Pad Support Assembly
44	55164	Shroud Seal for 70mm x 198mm Orbital Sander
45	28142	Hex Socket Countersunk Head Machine Screw M4 x 6mm
46	55200	70mm x 198mm Pad Backing - Clear Machined
47	28143	Hex Socket Countersunk Head Machine Screw M4 x 10mm
48	28124	Socket Flat Countersunk Machine Screw M6 x 14mm
49	28531	1 pad supplied with each tool
50	28147	2.5mm Hex Wrench
51	28116	O-Ring 9mm x 1.5mm
52	55195	Exhaust Chamber - 10,000 OPM
53	55165	O-Ring 9.5mm x 1mm
54	28098	Valve Seat
55	28096	Valve
56	28101	Valve Spring
57	55166	Non-Vacuum Cover Elite
58	55175	O-Ring 28mm x 1mm
59	55191	Internal Muffler Assembly
60	55176	O-Ring 24mm x 1mm
61	55173	Self-Generating Vacuum Exhaust Cap Elite
62	55179	Muffler Elite
63	55201	End Cap Elite
64	55171	Inlet Bushing Assembly Elite
65	20209	3/8 in. x 4 foot Air Line with 1/4 in. Compression Fittings
66	55202	Snap-in Vacuum Cover Plate - 70mm x 198mm Orbital Sander
67	55167	Central Vacuum Swivel Exhaust Fitting - 3/4 in. 19mm Hose
68	55168	Central Vacuum Swivel Exhaust Fitting - 1 in. /28mm Hose
69	55193	Self-Generating Vacuum Swivel Exhaust Fitting - 3/4 in. 19mm Hose 10,000 OPM
70	NA	NA
71	55194	Self-Generating Vacuum Swivel Exhaust Fitting - 1 in. /28mm Hose 10,000 OPM
72	28146	1 in. /28mm Hose Seal
73	NA	Tag with instructions for 3M 3/4 in. 19mm Hose Seal
74	20453	3M Filter Bag Adaptor 1 in. External Hose Thread x 1 in. OD
75	20452	3M Clean Sanding Filter Bag (5 in. x 12 in.)
76	28302	1 in. Double Bag Vacuum Fitting
77	20338	Vacuum Bag Insert
78	28303	3M Vacuum Bag Cover
79	28301	1 in. x 6 foot Vacuum Hose
80	20341	Hose End Adaptor - 1 in. /28mm Hose Thread x 1 1/2 in. OD