fann 35A - Figure 5-3 Bob and Bob Shaft

Model 35 Viscometer Instruction Manual
208878 Revision N, February 2013 20
5.4.2 Bob Removal and Replacement
The bob shaft end is tapered and fits into a matching tapered hole in the bob. Refer
to Figure 5-3.
1. Rotate the rotor clockwise and gently pull it down to remove it.
2. To remove the bob, twist it clockwise while pulling down.
3. To install the bob, twist it clockwise while pushing upward.
Figure 5-3 Bob and Bob Shaft
Bob Shaft
Bob (Type B-1 hollow
shown