REPAIR SHEET
BRAND
DESCRIPTION
BLACK MAX
MODEL NO.
BM4CSSAC
BM4CSSACC
BM4CSSACVNM
BM4CSSACVNMC
MFG. NO.
090432502 095432502
090432503 095432553
090432504 095432554
090432505
30cc 4-Cycle
Straight Shaft
String Trimmer
HART CONSUMER PRODUCTS, INC.
P.O. Box 1348, Anderson, SC 29622 1-800-726-5760 www.blackmaxtools.com
The model number and manufacturing location will be found on a label attached to the product. Always mention this information in all communications regarding this product and when ordering parts.
8-11-20 (Rev:04)
BM4CSSAC, BM4CSSACC, BM4CSSACVNM, BM4CSSACVNMC
FIGURE A
16
18
15
19
20
SEE FIGURE B
13
21
12
23
22
7
24
11
6
10
9
5
8
4
25
28
3
29
2
5
14
26
30
1
27
31
32
17
34
33
2
BM4CSSAC, BM4CSSACC, BM4CSSACVNM, BM4CSSACVNMC
PARTS LIST — FIGURE A
KEY NO.
PART NO.
KEY NO.
PART NO.
1
205285001
Boom Clamp Assembly
1
19
518142010
Top Cover
1
2
205286001
Upper Boom Assembly (Inc. Key Nos. 1 and 3)
1
20
310302001
Oil Cap/Dipstick (Inc. Key No. 21)
1
3
941705045
Warning Label
1
21
570400001
O-Ring
1
4
760961002
Switch (Momentary Contact)
1
22
901723001
Air Filter
1
5
308888005
Control Handle Assembly (Inc. Key No. 6)
1
23
940647090
Choke Label
1
6
660563002
Screw (M4 x 20 mm, T20 Torx Pan Hd.)
4
24
205288001
Air Filter Cover (Inc. Key No. 23 and 25)
1
941166059
Starting Label
1
DESCRIPTION
QTY.
DESCRIPTION
QTY.
7
532525005
Trigger Lock
1
25
8
690140011
Compression Spring
1
26
518548001
Bottom Cover
1
9
570234019
Rear Handle
1
27
T660619001
Screw (#6-19 x 1/2 in., Pan Hd. T.F.)
2
678029002
Hex Nut (M6)
1
10
660697002
Bolt (M6 x 20 mm, T27 Torx Button Hd.)
1
28
11
660925011
Screw (M4 x 8 mm, T25 Torx Pan Hd. T.F.)
1
29
532524005
Throttle Trigger
1
12
870301002
1
30
690694002
Torsion Spring (Throttle Trigger)
1
13
660466001
Screw (M4 x 12 mm, T20 Truss Hd.)
3
31
205287001
Lead Assembly (Inc. Key No. 4)
1
14
526764002
Front Handle
1
32
308842022
Throttle Cable
1
15
311551001
Muffler Housing (Inc. Key No. 16)
1
33
308991003
Front Handle Assembly (Inc. Key Nos. 14, 17 & 34)
1
16
940654088
Combustion Warning Label
1
34
518949001
Wing Nut (1/4-20)
1
17
660643008
Screw (1/4-20 x 40 mm, Hex Hd.)
1
Not Shown:
18
660510008
Shoulder Screw (M4 x 11 mm, T25 Torx Pan Hd.)
1
995000950
* Spark Plug (Champion RY4C)
* Standard Hardware Item – May Be Purchased Locally
3
Operator’s Manual
BM4CSSAC, BM4CSSACC, BM4CSSACVNM, BM4CSSACVNMC
FIGURE B
19
20
21
17
18
14
22
23
24
25
30
31
26
13
10
1
27
28
29
26
29
11
33
2
39
42
12
8
9
43
7
6
34
41
36
35
32
SEE FIGURE A
44
37
4
3
15
5
46
40
16
45
4
38
BM4CSSAC, BM4CSSACC, BM4CSSACVNM, BM4CSSACVNMC
PARTS LIST — FIGURE B
KEY NO.
PART NO.
DESCRIPTION
QTY.
KEY NO.
PART NO.
DESCRIPTION
QTY.
1
525485011
Starter Grip
1
25
570710015
Breather Hose (120 mm)
1
2
900849002
Starter Rope
1
26
308826002
Check Valve
3
3
660466001
Screw (M4 x 18 mm, T20 Torx Soc. Hd.)
4
27
901666003
Shield Sleeve (M6 x 50 mm)
1
4
660970001
Screw (M4 x 16 mm, T20 Torx Soc. Hd.)
4
28
570710002
Breather Hose (24 mm)
1
5
310304008
Starter Housing Assembly
1
29
570710003
Breather Hose (34 mm, Crankcase)
2
6
300960002
Clutch Assembly
1
30
901657003
Heat Dam Gasket
1
7
638090001
Washer (ID9.63 x OD50.75 x 1.10t)
1
31
531999001
Heat Dam
1
8
638284002
Spacer
1
32
940680023
Hot Surface Label
1
9
310305001
Starter Housing Assembly
1
33
660629003
Screw (M5 x 23 mm, T25 Torx Pan Hd.)
2
10
660968001
Screw (M4 x 19 mm, T20 Torx Pan Hd.)
2
34
900809013
Heat Shield w/Gasket (Carburetor)
1
11
309263002
Ignition Module
1
35
309375002
Carburetor
1
12
650017001
Washer (ID9.75 x OD20 x 1.6t)
1
36
570710004
Breather Hose (50 mm)
1
13
309011001
Flywheel Assembly
1
37
308398011
Air Box Base Assembly
1
14
661143001
Screw (M5 x 42 mm, T25 Torx Truss Hd.)
3
38
660454015
Screw (M5 x 44 mm, T20 Torx Hd.)
2
15
526450001
Throttle Cable Guide
1
39
309962032
Short Block Assembly
1
16
660970008
Shoulder Screw (M4 x 19 mm, T25 Torx Truss Hd.)
1
40
660925003
Screw (M4 x 12 mm, T20 Torx Hd.)
9
17
309320002
Muffler Assembly
1
41
340205001
Oil Pan (Inc. Key No. 32)
1
18
901702001
Muffler Gasket
1
42
570709002
Oil Pan Gasket
1
19
660780002
Screw (M4 x 27 mm, T20 Torx Truss Hd.)
1
43
310976001
Fuel Filter
1
20
570400002
O-Ring
1
44
310816017
Fuel Cap Assembly
1
21
640306001
Cam Cover
1
45
310585012
Fuel Tank w/Cap (Inc. Key Nos. 43-44)
1
22
901705003
Cam Cover Gasket
1
46
660970002
Shoulder Screw (M4 x 14 mm, T25 Torx Truss Hd.)
2
23
678850001
Wire Clamp
1
Not Shown:
24
570401002
Breather Fitting
1
120900188
5
High Altitude Kit
BM4CSSAC, BM4CSSACC, BM4CSSACVNM, BM4CSSACVNMC
16
FIGURE C
15
8
11
12
7
14
6
17
10
5
4
9
3
2
13
1
PARTS LIST — FIGURE C
KEY NO.
QTY.
KEY NO.
1
311759012 Trimmer Head Assembly (.095) (Inc. Key Nos. 2-8)
PART NO.
DESCRIPTION
1
10
308210009 Gear Case Assembly
1
2
530366001 Lower Housing
1
11
660642001 Screw (1/4-20 x 1-1/4 in., Hex Washer Hd. S.T.)
1
3
530455001 Bump Knob (Light Gray)
1
12
660736001 Screw (10-24 x 5/8 in., Hex Washer Hd. S.T.)
1
4
530670001 Spool
1
13
308473004 Grass Deflector Assembly (Inc. Key No. 14)
1
5
529803001 String Guide
1
14
660738002 Screw (1/4-20 x 1-1/4 in., Hex Washer Hd.)
1
6
678749001 Compression Spring
1
15
940657165 Warning Icon Label
1
7
662568002 Hex Nut (M8, L.H. Thread)
1
16
518019004 Storage Hanger Cap
1
8
530001004 Upper Housing
1
17
205273008 Straight Shaft Assembly (Inc. Key No. 15)
1
9
678011001 Flanged Washer
1
6
PART NO.
DESCRIPTION
QTY.
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