SPECIFICATIONS
79 AU103170 H5B
Standard 260 Digging Chain, 2 Pitch, 6” - 10” Digging Widths (50,000 lb)
Rock and Frost (Carbide Cutters) Assembly
BS99G077
1. HOLDER - CARBIDE BIT, RIGHT HAND, CENTER CUT AND 4 INCH CUT
2. HOLDER - CARBIDE BIT, LEFT HAND, CENTER CUT AND 4 INCH CUT
3. HOLDER - CARBIDE BIT, RIGHT HAND, CENTER AND 5 INCH CUT (AND 10 INCH CUT, IF REQUIRED)
4. HOLDER - CARBIDE BIT, LEFT HAND, CENTER AND 5 INCH CUT (AND 10 INCH CUT, IF REQUIRED)
5. HOLDER - CARBIDE BIT, RIGHT HAND, CENTER AND 6 INCH CUT (AND 8 INCH CUT, IF REQUIRED)
6. HOLDER - CARBIDE BIT, LEFT HAND, CENTER AND 6 INCH CUT (AND 8 INCH CUT, IF REQUIRED)
7. SPACER - TUBE, INSIDE MOUNT
8. SPACER - TUBE, OUTSIDE MOUNT
9. SPACER - 1/2 INCH FLAT - FOR 8 INCH CUT, IF REQUIRED
10. BOLT - HEX HEAD 5/8 X 3 INCH
11. BOLT - HEX HEAD 5/8 X 3-3/4 INCH
12. BOLT - HEX HEAD 5/8 X 4-3/4 INCH, 8 INCH CUT, IF REQUIRED
13. BOLT - HEX HEAD 5/8 X 8-1/2 INCH, 10 INCH CUT, IF REQUIRED
14. LOCKNUT -5/8 INCH
15. ADAPTER FOR 10 INCH CUT (IF REQUIRED)
NOTE:
Repeat the tooth sequence shown until the chain is complete.
NOTE:
If additional information is needed, see your Astec dealer for part numbers and quantities of items shown when
replacing worn or missing parts.
CENTER CUT
10.16 cm (4 INCH) CUT
12.7 cm (5 INCH) CUT
20.32 cm (8 INCH) CUT
25.40 cm (10 INCH) CUT
14
5
10
1
12
8
CENTER CUT
10.16 cm (4 INCH) CUT
20.32 cm (8 INCH) CUT
14
12.7 cm (5 INCH) CUT
15.24 cm (6 INCH) CUT
9
6
6
13
3
4
7
2
2
1
3
4
5
15.24 cm (6 INCH) CUT
14
14
11
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