Midmark Preva - Page 102

Maintenance
Preva
95
Figure 83
17. Carefully remove the tubehead from the yoke.
Figure 84
18. Remember to transfer the friction ring from the original tubehead to the new
tubehead. The friction ring will either be on the shaft of the original tubehead
or in the yoke assembly
Figure 85
19. Feed the connectors and ground wires of the pre-assembled yoke cable
assembly through the opening of the yoke collar.
Friction Ring