Vinten Vector 70 Maintenance Manual page 38

Pan and tilt head
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19
To install the pan drag/brake mechanism in the base, proceed as follows
19.1 Position the assembled pan drag/brake mechanism in the base, ensuring pan drag coupling
aligns with base knob boss, holes in drag plate subassembly align with holes in base and 'O' ring on
brake boss locates correctly in base. Secure with four 25 mm. long screws (11) and three 20 mm.
screws (12) noting that longer screws are installed to the rear of the base.
19.2 Instal washer (22) and pan drag knob shaft disc (20) on pan drag knob shaft (22) and secure with
pin (13).
19.3 Position assembled pan drag knob shaft in base, ensuring end of shaft locates over coupling in
pan drag mechanism. Secure with three screws (19).
19.4 Install knob boss on shaft, engaging slot with pin (13). Fit knob over boss and secure with
washer (15) and screw (16). Install bung (17).
Balance adjuster assembly (Vector 70)
NOTE: The balance adjuster was improved at Serial No. 3307. The earlier balance adjuster
(3354-14) should be replaced with the redesigned balance adjuster (3554-54).
20
To assemble the balance adjuster assembly, proceed as follows
20.1 Using Easyrun 50 grease, lubricate track rollers (1), shims (2) thread of adjuster shaft (11) and
running surfaces of housing (7) and carriage (9).
NOTE: If bevel gear (14) or adjuster shaft (11) require replacement, both items must be replaced
and drilled to accept pin (15).
20.2 If removed, fit lift-off stop pin (16) in housing (7) using Loctite 601. Ensure pin is correctly
oriented.
20.3 If removed, install two bearing (6) in housing (7), ensuring bearings are correctly seated and
secure with Loctite 641.
20.4 Assemble four track wiper mouldings (3) in four track wiper outers (4). Slide each assembly onto
a track roller (1).
20.5 Position a shim (2) on each side of two track rollers/wipers and install in the housing (7), ensuring
wiper blades face outwards. Install two 18 mm. roller axles (5), ensuring ends of axles are slightly
under-flush with the sides of the housing. Apply Loctite 222E to threads of two grubscrews (8) and
secure each axle.
20.6 Position a shim (2) on each side of two track rollers/wipers and install in the carriage (9),
ensuring wiper blades face downwards. Install a 15 mm. roller axle (10) on side of carriage adjacent to
lift-off stop pin (15) and a 18 mm. roller axle (5) on side of carriage opposite to lift-off stop pin. Ensure
roller axle (5) protrudes 4.5 mm.
secure each axle.
20.7 Screw the adjuster shaft (11) into the carriage (9) to the mid position. Position the assembly in
the housing (7), locating the end of the adjuster shaft in the end bracket on the housing.
20.8 If removed, push the bush (13) into the housing.
(Fig
6.7). Apply Loctite 222E to threads of two grubscrews (8) and
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