32 Assembly
MAN1272 (10/22/2019)
7. Insert thumb tube (4) into thumb channel and
secure together using pin (8) and klik pin (9).
8. Rotate thumb tube up and connect to the thumb
bracket using pin (6). Secure pin with hex bolt (15)
and lock nut (16).
NOTE: Thumb compatible with 15”, 18”, and 24”
buckets.
Figure 30. Mechanical Thumb Installation
Figure 31. Mechanical Thumb Installed
Hydraulic Thumb
Hydraulic thumb installed only at factory. See page 51
for parts list.
1. Thumb BH85 / BH100
2. Thumb channel
3. Thumb bucket
4. Thumb tube
5. Pin 1.50 x 11.32
6. Pin 1.00 x 7.75
7. Pin 1.00 x 9.85
8. Swivel hitch pin 1 x 4-1/4 in.
9. 1/4 x 1-3/4 klik pin
13. HHCS 1/2 NC x 6-1/2
14. Lock nut 1/2 NC flange
15. HHCS 5/16 NC x 2-1/4 GR5
16. Lock nut 5/16 NC
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