Tilt Mechanism - Vinten Vision 5LF Maintenance Manual

Contents
3.3 Turn the platform slide clamp lever (4) upwards and separate the platform from RH side plate (7).
Collect the slide clamp strip (11) as it is released.
3.4 Remove the platform slide release (26) by feeding it up through the platform.
3.5 If required, unscrew and remove slide clamp screw (3). Unscrew grub screw (5) and remove
slide clamp lever (4).

Tilt mechanism

4 To remove the tilt mechanism, proceed as follows
4.1 Remove the platform
WARNING!: Ensure that balance knob is turned fully counter-clockwise before remov-
ing the tilt mechanism.
4.2 Remove two screws (23) and two screws (25), noting that screws are secured with Loctite.
NOTE: When the tilt mechanism is pulled off the head the balance mechanism will be under
spring tension.
4.3 Pull the tilt mechanism off the head. Retain shims (9) and shims (29).
4.4 It is not necessary to remove the mechanism housing cover (22) from the mechanism housing
assembly (17) unless replacement of the bearing (11) or access to the balance mechanism or RH side
plate is required. The cover is secured by three screws (7). The bearing (11) is a press fit in the housing
and is secured with Loctite. Heat the housing to 80$ ° C to facilitate removal.
5 To dismantle the tilt mechanism, proceed as follows
NOTE: This unit contains Vinten Fluid No. 3. A good supply of clean rag should be to hand.
5.1 Remove the tilt drag knob cap (23). Remove the screw (24) and pull off the tilt drag knob (25).
5.2 Remove three screws (26) securing tilt drag knob retainer (27). Remove the retainer, the tilt drag
knob boss (11) (complete with drag knob retaining shaft (14)) and the two thrust washers and the thrust
race (10), noting orientation of components for assembly. The drag knob retaining shaft (14) is secured
in the tilt drag knob boss (11) with Loctite.
5.3 On the pan and tilt brakes, prise off the covers (19), remove the screws (18) and washers (17)
and pull off the knobs (16). Unscrew the two brake shafts (20 and 25), noting their orientation.
NOTE: Early brake shafts (to Serial No. 2945) are solid. Later brake shafts are fitted with spring
and friction elements (21 and 22) to improve performance. Early brake shafts should be
replaced by later brake shafts and spring and friction elements.
(Fig
(Para 3).
First
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6.2):
(Fig 6.3):
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