Ryobi BS904 Quick setup guide

RYOBI
9 in. Band Saw
Model No. BS904
Repair Sheet

2
RYOBI 9 in. BAND SAW – MODEL NUMBER BS904
FIGURE A
84
1
23
56
4
13
17
7
26
22
23
24
25
3
21
21
20
22
23
24
25
28
29
30
16
16
31 87
32
33
34
35
36
82
83
40
SEE
FIGURE D
SEE
FIGURE B
SEE
FIGURE D
SEE
FIGURE C
SEE
FIGURE C
41
42
46
45
43
44
19
18
9
17
16
15
11
12 13
10
14 12
54
47
39
37
62
55
56
58
57
59
60 61
53
86
85
52
53
50
51 89
49
48
77
76
88
41
76
77
76
88
41
76
78
80
79
81
27
75 17
74
73
72
90
12
71
70
66
65 64
67 63
68 69
38
38
8

3
RYOBI 9 in. BAND SAW – MODEL NUMBER BS904
The model number will be found on a label attached to the motor housing. Always mention the model number in all correspondence regarding your
BAND SAW or when ordering repair parts.
PARTS LIST FOR FIGURE A
KEY PART
NO. NUMBER DESCRIPTION QTY.
KEY PART
NO. NUMBER DESCRIPTION QTY.
1 089120406707 Table Assembly .................................................... 1
2 089120406014 Lock Screw (M8 x 25 mm) ................................... 1
3 089120406015 Washer (ID8.4 × OD24 x 2t) ................................. 2
4 089120406018 Bushing ................................................................ 2
5 089120406019 Rotate Bolt ........................................................... 1
6 089120406020 Compression Spring ............................................ 1
7 089120406021 Handle.................................................................. 1
8 089120406016 Screw (M6 × 14 mm, Hex Soc. Hd.) .................... 2
9 089120406081 Frame ................................................................... 1
10 089120406032 Handle.................................................................. 1
11 089120406033 Compression Spring ............................................ 1
12 089120406034 Washer (M8) ......................................................... 4
13 089120406035 Screw (M5 x 12 mm, Pan Hd.) ............................. 2
14 089120406036 Handle.................................................................. 1
15 089120406058 Screw (M5 x 8 mm, Pan Hd.) ............................... 2
16 089120406078 Screw (M5 x 10 mm, Pan Hd.) ............................. 5
17 089120406048 Washer (M5 ) ........................................................ 5
18 089120406080 Dust Exhaust Port ................................................ 1
19 089120406087 Filter ..................................................................... 1
20 089120406702 Motor.................................................................... 1
21 089120406086 Screw (M8 × 20 mm, Hex Soc. Hd.) .................... 2
22 089120406082 Screw (M5 x 7 mm, Pan Hd.) ............................... 2
23 089120406084 Spring Washer (M￠5.3)........................................... 2
24 089120406085 Washer (M5) ......................................................... 2
25 089120406083 External Tooth Washer......................................... 2
26 089120406128 Indicator ............................................................... 1
27 089120406110 Tracking View Window ......................................... 1
28 089120406102 Power Cord .......................................................... 1
29 089120406103 Cord Clamp.......................................................... 2
30 089120406104 Switch Box........................................................... 1
31 089120406711 Switch (Inc. Key No. 87)....................................... 1
32 089120406101 Screw (M5 x 10 mm) ............................................ 1
33 089120406100 Washer (ID5.3 × OD15 x 1.2t) .............................. 1
34 089120406099 Pulley.................................................................... 1
35 089120406088 Screw (M6 x 16 mm, Hex Hd.) ............................. 4
36 089120406089 Hex Nut (M6) ........................................................ 4
37 089120406706 Lower Wheel Assembly........................................ 1
38 089120406067 Tire ....................................................................... 2
39 089120406704 Lower Blade Guide Assembly.............................. 1
40 089120406130 Blade Safe Cover ................................................. 1
41 089120406117 Screw (M4 x 8 mm) ............................................ 10
42 089120406129 Restrainer............................................................. 1
43 089120406055 Screw (M6 × 8 mm, Hex Soc. Hd.) ...................... 2
44 089120406002 Washer (ID6.3 x OD16 x 1.5t)............................... 1
45 089120406038 Slide Plate ............................................................ 1
46 089120406039 Square Nut ........................................................... 1
47 089120406703 Upper Blade Guide Assembly.............................. 1
48 089120406118 Gear ..................................................................... 1
49 089120406119 Set Screw (M4 x 4 mm)........................................ 1
50 089120406120 Handle Seat ......................................................... 1
WARNING: Improper repair of a double insulated tool can result in damage to the double insulation system possibly causing electrical shock or
electrocution. Any repairs requiring disassembly of your tool requires safety testing and should only be performed by a Ryobi Authorized Service
Center. For the service center nearest you call 1-800-525-2579.

4
RYOBI 9 in. BAND SAW – MODEL NUMBER BS904
The model number will be found on a label attached to the motor housing. Always mention the model number in all correspondence regarding your
BAND SAW or when ordering repair parts.
PARTS LIST FOR FIGURE A CONTINUED
KEY PART
NO. NUMBER DESCRIPTION QTY.
KEY PART
NO. NUMBER DESCRIPTION QTY.
WARNING: Improper repair of a double insulated tool can result in damage to the double insulation system possibly causing electrical shock
or electrocution. Any repairs requiring disassembly of your tool requires safety testing and should only be performed by a Ryobi Authorized Ser-
vice Center. For the service center nearest you call 1-800-525-2579.
51 089120406121 Wavy Washer (M6) ............................................... 1
52 089120406122 Handle.................................................................. 1
53 089120406031 Screw (M5 × 10 mm, Hex Soc. Hd.) .................... 4
54 089120406123 Square Cover ....................................................... 1
55 089120406024 Set Screw (M5 x 6 mm)........................................ 1
56 089120406025 Eccentric Shaft..................................................... 1
57 089120406030 Blade Tensioner Lever.......................................... 1
58 089120406026 Washer (ID16 × OD21 x 0.3t) ............................... 1
59 089120406027 Sleeve .................................................................. 1
60 089120406028 Eccentric .............................................................. 1
61 089120406029 Screw (M6 x 16 mm, Hex Soc. Hd.)..................... 1
62 089120406705 Upper Wheel Assembly........................................ 1
63 089120406062 Bracket................................................................. 1
64 089120406061 Spring Washer (M10)............................................ 1
65 089120406060 Hex Nut (M10) ...................................................... 1
66 089120406072 Bracket................................................................. 1
67 089120406073 Screw (M5 × 8 mm, Hex Soc. Hd.) ...................... 1
68 089120406070 Pin (8 × 90) ........................................................... 1
69 089120406071 Check Ring........................................................... 2
70 089120406074 Bolt (M8 x 80 mm, Special).................................. 1
71 089120406075 Compression Spring ............................................ 1
72 089120406077 Handle.................................................................. 1
73 089120406113 Frame Cover (Lower)............................................ 1
74 089120406112 Blade Brush ......................................................... 1
75 089120406111 Screw (M4.8 x 10 mm) ......................................... 1
76 089120406115 Hinge.................................................................... 4
77 089120406116 Hex Nut (M4) ........................................................ 8￠
78 089120406107 Frame Cover (Upper)............................................ 1
79 089120406902 Logo Label ........................................................... 1
80 089120406108 Door Lock ............................................................ 2
81 089120406109 Screw (M4.2 x 6 mm) ........................................... 1
82 089120406096 Belt (130 x 10￠) ...................................................... 1
83 089120406124 Blade (62 in. x 6 mm x 0.3t) ................................. 1
84 089120406701 Miter Gauge Assembly......................................... 1
85 089120406131 Hex Wrench (M2)..................................................1
86 089120406132 Hex Wrench (M4)..................................................1
87 089120406106 Switch Key ........................................................... 1
88 089120406134 Screw (M4 x 10 mm) ............................................ 8
89 089120406133 Washer (ID6 x OD12 x 0.5t).................................. 1
90 089120406708 Guide Height Knob Assembly
(Inc. Key Nos. 48-52, 54 and 59) ......................... 1
Not Shown:
089120406901 Warning Label ...................................................... 1
089120406903 No Hands Label ................................................... 1
089120406904 Data Label............................................................ 1
089120406905 Blade Adjust Label............................................... 1
089120406906 Blade Order Label................................................ 1
089120406907 Height Lock Label ................................................ 1
990000198 Operator's Manual
11-19-12
(Rev:01)

5
RYOBI 9 in. BAND SAW – MODEL NUMBER BS904
FIGURE B
1
2
3
4
5
6
7
8
9
10
11

6
RYOBI 9 in. BAND SAW – MODEL NUMBER BS904
The model number will be found on a label attached to the motor housing. Always mention the model number in all correspondence regarding your
BAND SAW or when ordering repair parts.
PARTS LIST FOR FIGURE B
KEY PART
NO. NUMBER DESCRIPTION QTY.
1 089120406008 Table Insert................................................................. 1
2 089120406009 Table........................................................................... 1
3 089120406010 D-Nut.......................................................................... 1
4 089120406012 Washer (M6) ............................................................... 1
5 089120406011 Spring Washer (M6).................................................... 1
6 089120406013 Wing Screw (M6)........................................................ 1
7 089120406089 Hex Nut (M6) .............................................................. 1
8 089120406125 Screw (M6 x 23 mm, Hex Hd.)................................... 1
9 089120406017 Saw Table Bracket (Trunnion)..................................... 1
10 089120406022 Spring Washer (M8).................................................... 4
11 089120406023 Screw (M8 × 14 mm, Hex Soc. Hd.) .......................... 4
WARNING: Improper repair of a double insulated tool can result in damage to the double insulation system possibly causing electrical shock or
electrocution. Any repairs requiring disassembly of your tool requires safety testing and should only be performed by a Ryobi Authorized Service
Center. For the service center nearest you call 1-800-525-2579.

7
RYOBI 9 in. BAND SAW – MODEL NUMBER BS904
1
2
34
5
2
6
UPPER WHEEL ASSEMBLY
LOWER WHEEL ASSEMBLY
3
3
9
10
2
5
11
3
6
2
8
7
FIGURE C

8
RYOBI 9 in. BAND SAW – MODEL NUMBER BS904
The model number will be found on a label attached to the motor housing. Always mention the model number in all correspondence regarding your
BAND SAW or when ordering repair parts.
PARTS LIST FOR FIGURE C
KEY PART
NO. NUMBER DESCRIPTION QTY.
1 089120406063 Shaft........................................................................... 1
2 089120406064 Ball Bearing (6000-2RZ)............................................. 4
3 089120406065 Retaining Ring............................................................ 4
4 089120406066 Blade Wheel (Upper) .................................................. 1
5 089120406067 Tire ............................................................................. 2
6 089120406069 Retaining Ring............................................................ 2
7 089120406090 Shaft........................................................................... 1
8 089120406091 Pulley.......................................................................... 1
9 089120406093 Blade Wheel (Lower) .................................................. 1
10 089120406098 Spring Washer (M5).................................................... 3
11 089120406097 Screw (M5 x 16 mm) .................................................. 3
WARNING: Improper repair of a double insulated tool can result in damage to the double insulation system possibly causing electrical shock or
electrocution. Any repairs requiring disassembly of your tool requires safety testing and should only be performed by a Ryobi Authorized Service
Center. For the service center nearest you call 1-800-525-2579.

9
RYOBI 9 in. BAND SAW – MODEL NUMBER BS904
7
3
2
1
14
13
8
8
12
11
10
9
4
56
6
17
4
18
16 11
15
10
9
8
FIGURE D

10
RYOBI 9 in. BAND SAW – MODEL NUMBER BS904
The model number will be found on a label attached to the motor housing. Always mention the model number in all correspondence regarding your
BAND SAW or when ordering repair parts.
PARTS LIST FOR FIGURE D
KEY PART
NO. NUMBER DESCRIPTION QTY.
1 089120406040 Guide Bar ................................................................... 1
2 089120406127 Sliding Blade Guard ................................................... 1
3 089120406126 Screw (M4 x 10 mm) .................................................. 1
4 089120406054 Pin (5 × 14) ................................................................. 4
5 089120406052 Guide Block (Upper)................................................... 1
6 089120406051 Screw (M4 x 6 mm) .................................................... 4
7 089120406049 Thrust Bearing Shaft (Upper) ..................................... 1
8 089120406048 Washer (M5 ) .............................................................. 4
9 089120406047 Ball Bearing (606-2RZ)............................................... 2
10 089120406046 Screw (Special) .......................................................... 2
11 089120406031 Screw (M5 × 10 mm, Hex Soc. Hd.) .......................... 2
12 089120406044 Screw (M5 × 16 mm, Hex Soc. Hd.) .......................... 1
13 089120406042 Blade Guard Shield .................................................... 1
14 089120406041 Compression Spring .................................................. 1
15 089120406045 Screw (M5 × 12 mm, Hex Soc. Hd.) .......................... 1
16 089120406057 Guide Block (Lower)................................................... 1
17 089120406053 Guide Block (Lower)................................................... 1
18 089120406050 Thrust Bearing Shaft (Lower) ..................................... 1
WARNING: Improper repair of a double insulated tool can result in damage to the double insulation system possibly causing electrical shock or
electrocution. Any repairs requiring disassembly of your tool requires safety testing and should only be performed by a Ryobi Authorized Service
Center. For the service center nearest you call 1-800-525-2579.