SPECIFICATIONS
77 AU103170 H5B
Standard 260 Digging Chain, 2 Pitch, 8” - 12” Digging Widths (50,000 lb)
Cup Cutter Assembly
BS99G078
1. CUTTING TOOTH - RIGHT HAND
2. CUTTING TOOTH - LEFT HAND
3. SPACER - TUBE, OUTSIDE MOUNT
4. SPACER - TUBE, INSIDE MOUNT
5. SPACER - FLAT
6. BOLT - HEX HEAD 5/8 X 3-3/4 INCH GR8 ZINC PLATED
7. BOLT - HEX HEAD 5/8 X 3 INCH GR8 ZINC PLATED
8. LOCKNUT - PREV TRQ 5/8 GR8 ZINC PLATED DIRECT
9. BOLT - HEX HEAD 5/8 X 6-1/2 INCH GR8 ZINC PLATED
10. BOLT - HEX HEAD 5/8 X 8-1/2 INCH GR8 ZINC PLATED
11. ADAPTER FOR 10 INCH CUT (IF REQUIRED)
12. ADAPTER FOR 12 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.
1
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
30.48 cm (12 INCH) CUT
2
6
12
3
7
6
11
10
10
5
4
7
CENTER CUT
10.16 cm (4 INCH) CUT
20.32 cm (8 INCH) CUT
8
9
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