Balance Mechanism; Pan Drag Mechanism - Vinten Vision 100 Maintenance Manual

Contents
4 To dismantle the mechanism housing cover and RH side plate, proceed as follows:
4.1 Referring to
RH side plate out off the bearing.
4.2 If required, remove three screws (11) and Skiffy washers (19) securing bearing (10) in
mechanism housing cover (17). The bearing is retained with Loctite 641.
4.3 Referring to
the platform insert and slide clamp block (8).
4.4 Remove screw (7) securing platform clamp knob (6) to platform knob shaft (5). Remove knob and
screw shaft out of RH side plate.
4.5 Referring to
illumination wiring (23).

Balance mechanism

5 To remove the balance mechanism, proceed as follows:
5.1 Referring to
assembly (1). Disengage the potentiometer from the adjustment slide and lift clear.
5.2 Referring to
it to rest on the neck of balance knob assembly (1).
5.3 Remove screw (12) from actuator shaft (8).
5.4 Pull assembled balance knob (1), adjustment slide (4) and actuator shaft (8) out of mechanism
housing.
5.5 Remove thrust bearing (2) from mechanism housing.
5.6 Unscrew and remove balance knob (1) from adjustment slide (4). If required, drive out pin (5) to
separate adjustment slide and actuator shaft (8).
5.7 Lift the spring actuator assembly (16), spring (15), buffer (14), spring end cap (13) and screw (12)
out of the mechanism housing. Retain all shims (6).

Pan drag mechanism

6 To remove the pan drag mechanism, proceed as follows
6.1 Remove the RH side plate and balance mechanism.
6.2 Turn pan brake knob (1) fully counter-clockwise to release the pan brake.
6.3 Remove one screw (7) and three screws (8) securing pan module (26) to mechanism housing
(9). Note length and position of screws.
6.4 Carefully pull the pan module out of the mechanism housing.
6.5 Remove pan drive shaft (12), with dowel pin (11) and shim washer(s) (13), from mechanism
housing (9). Retain shims.
Fig 6.5, remove three screws (11) securing RH side plate (18) in bearing (10). Pull
Fig 6.2, remove two screws (11) securing platform insert (3) to RH side plate. Pull off
Fig 6.3, prise LED lens (14) out of mechanism housing cover (15), if required, to free
Fig 6.6, remove screw (4) securing potentiometer (2) to mechanism housing
Fig 6.5, remove spiral ring (21) from the groove in mechanism housing (3) and allow
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