Mechanism Housing Assembly - Vinten Vision 10LF Maintenance Manual

Contents
7.4 Remove the pan drag knob cap (1). Remove the screw (2) and pull off the pan drag knob (3).
7.5 Unscrew and remove the pan drag shaft (6), together with pan drag push rod (8). Retain washers
(7). The pan drag knob boss (5) is secured to the shaft with Loctite.
7.6 Slacken the pan drag lever screw (28) and lift the pan drag lever (29) and actuator shim (27) off
the drag actuator (12).
7.7 Remove screw (26) and washer (25) from end of bowl clamp stud (21)
7.8 Remove six screws (18) which secure the spherical base (17) to pan drag top plate (14). Gently
ease the base away from the top plate. When the base is removed it will contain most of the Vinten
Fluid No. 3. The bowl clamp stud (21) is secured to the base using Loctite. Remove and discard `O' ring
(16).
NOTE: The design of the pan drag top plate and spherical base changed from Serial No. 1197.
Ensure correct top plate, spherical base and 'O' ring are replaced.
7.9 Remove two screws (19) securing drag shoe assembly (15). Remove drag shoe assembly and
the pan drag actuator (12). Remove and discard `O' ring (11).
7.10 Remove pan drag top plate (14) and the thrust race and two thrust washers (13), noting
orientation of components for assembly. Note the orientation of omniseal (20), with the open side facing
towards the spherical base. Remove and discard the omniseal.
7.11 Remove two screws (22) securing pan bearing housing (10) to mechanism housing assembly
(9). Remove and discard `O' ring (21) from groove in pan bearing housing.
7.12 If required, remove bearing (24) from mechanism housing assembly. The bearing is secured with
Loctite.

Mechanism housing assembly

8 If required, the bearing
bearing is a press fit and is secured with Loctite.
Assembly
NOTE: It is important for correct operation of the head that torque settings, where given, are
achieved.
Mechanism housing assembly
9 If the bearing (Fig
may be installed without heating the housing. It is essential that a suitable press, fitted with a mandrel adaptor
and support ring to match the bearing, is used. Proceed as follows:
9.1 Remove all traces of adhesive from bearing and seating in mechanism housing assembly.
Degrease bearing seating and outer race of bearing.
(Fig 6.2, item 4) may be removed from mechanism housing assembly. The
6.2, item 4) has been removed from mechanism housing assembly a replacement
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