Vinten Vision 11 Maintenance Manual page 29

Pan and tilt head
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6
To dismantle the tilt drag unit assembly:
6.1
Referring to
6.2
Referring to
mechanism side cover.
6.3
Referring to
(25). Separate RH side plate and attached electrical wiring from tilt drag housing. If required, remove
the electrical wiring and LED (20) and the LED housing (29).
6.4
Slacken the grub screw (4) and pull the tilt drag indicator assembly (3) off the tilt drag knob
assembly (5).
6.5
Unscrew the tilt drag knob assembly (5) and remove the steel ball (6), the spring (7), two thrust
washers (26) and the needle thrust bearing (27). Pull the 'O' ring (28) off the shaft of the tilt drag knob
assembly. Discard the 'O' ring (28).
6.6
Remove two plugs (8) from the face of the tilt drag housing (25).
NOTE: The tilt drag unit assembly contains 12 cc of Vinten Fluid No. 3. Be prepared to catch any
fluid that may leak from the assembly.
6.7
Pull apart the tilt drag housing (25) and the mechanism side cover (22).
6.8
Remove the drag actuator block (14) and two drag wedges (23) from inside the tilt drag housing.
6.9
Remove screw (13) and pull the drag shoe assembly (12) out of the tilt drag housing.
6.10 Pull out the tilt seal ring (10) and remove and discard the omniseal (9) and the 'O' ring (10).
6.11 Wipe all traces of Vinten Fluid No. 3 from components.
6.12 Carefully remove the snap ring (21) from the mechanism side cover (22). Pull out the bearing
(18), remove the seal shim (17) and remove and discard the omniseal (16).
Tilt brake unit assembly
7
To remove the tilt brake unit assembly:
7.1
Referring to
(11). The potentiometer may be disconnected from the electrical system and removed if required.
7.2
Referring to
housing (2).
7.3
Carefully pull the tilt brake unit assembly off the mechanism housing. Slight tapping of the LH
side plate may be necessary to free the assembly.
8
To dismantle the tilt brake unit assembly
8.1
Remove the tilt brake knob
8.2
Turn the tilt brake disc (3) until the brake disc is free of the calliper (13).
Fig
6.2, remove the blanking cap (12) from the tilt drag assembly
Fig
6.6, remove the wiring retainer (13) to free the electrical wiring from the
Fig
6.4, remove three screws (2) securing RH side plate (1) to the tilt drag housing
Fig
6.6, remove two screws (3) securing potentiometer (2B) to mechanism housing
Fig
6.5, remove two screws (1) securing tilt brake unit assembly to the mechanism
(Fig
(See "Brake knob adjustment" on page
6.5):
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