1. Digging unit guard/marker
2. Connecting arm
3. Chain arm connector
4. Chain arm
5. Chain lock # 1
6. Cover
7. Hexagon head cap screw M16x100
8. Pin
9. Frame
10. Chain lock # 2
11. Chain
12. Flat washer M8
13. Spring washer M8
14. Hexagonal screw M6x25
15. Flat washer M6
16. Self-locking nut M6
17. Hexagonal screw M8x55
a) Connect the chain arm (4) to the arm connector (3).
b) Lock the chain (11) on the arm (4) to the wheel with chain lock no. 1 (5)
and no. 2 (10) and secure with a pin (8).
c)
Tighten the installed chain (11) by tightening the hexagonal head cap
screw (7).
d) Attach the digging unit guard/marker (1) to the connecting arm (2) using
the flat washer (12), the spring washer (13) and the screw (17).