SPECIFICATIONS
AU103170 H5B 78
Standard 260 Digging Chain, 2 Pitch, 6” - 10” Digging Widths (50,000 lb)
Mixed - Cup and Carbide Cutters Assembly
BS99G078
1. HOLDER - CARBIDE BIT, RIGHT HAND, CENTER CUT (AND 10 INCH CUT), IF REQUIRED
2. HOLDER - CARBIDE BIT, LEFT HAND, CENTER CUT (AND 10 INCH CUT,) IF REQUIRED
3. CUTTING TOOTH - LEFT HAND
4. CUTTING TOOTH - RIGHT HAND
5. HOLDER - CARBIDE BIT, LEFT HAND, 6 INCH CUT (AND 8 INCH CUT), IF REQUIRED
6. HOLDER - CARBIDE BIT, RIGHT HAND, 6 INCH CUT (AND 8 INCH CUT), IF REQUIRED
7. SPACER - TUBE, INSIDE MOUNT - USED WITH CUTTING TOOTH
8. SPACER - TUBE, INSIDE MOUNT - USED WITH CARBIDE HOLDER
9. SPACER - TUBE, OUTSIDE MOUNT
10. SPACER - FLAT - FOR 8 INCH CUT, IF REQUIRED
11. BOLT - HEX HEAD 5/8 X 3 INCH CENTER, 4 INCH CARBIDE CUT, AND 6 INCH CUTTING TOOTH CUT
12. BOLT - HEX HEAD 5/8 X 3-3/4 INCH, 6 INCH CARBIDE CUT, AND 8 INCH CUTTING TOOTH CUT, IF REQUIRED
13. BOLT - HEX HEAD 5/8 X 4-3/4 INCH, 8 INCH CARBIDE CUT, IF REQUIRED
14. BOLT - HEX HEAD 5/8 X 8-1/2 INCH, 10 INCH CARBIDE CUT, IF REQUIRED
15. BOLT - HEX HEAD 5/8 X 6-1/2 INCH, 10 INCH CUTTING TOOTH CUT, IF REQUIRED
16. LOCKNUT -5/8 INCH
17. ADAPTER FOR 10 INCH CARBIDE CUT (IF REQUIRED)
18. ADAPTER FOR 10 INCH CUTTING TOOTH 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
15.24 cm (6 INCH) CUT
15.24 cm (6 INCH) CUT
20.32 cm (8 INCH) CUT
25.40 cm (10 INCH) CUT
16
5
2
1
10
12
11
9
12
CENTER CUT
10.16 cm (4 INCH) CUT
20.32 cm (8 INCH) CUT
15
15.24 cm (6 INCH) CUT
25.40 cm (10 INCH) CUT
20.32 cm (8 INCH) CUT
20.32 cm (8 INCH) CUT
15.24 cm (6 INCH) CUT
13
6
5
17
5
14
3
18
4
8
3
4
5
6
7