Vinten Protouch Pro-6HDV System - Replacing the Components of the Bottom Clamp Assembly

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Replacing the components of the bottom clamp assembly
29 To dismantle the bottom clamp it is necessary to remove the oval leg.
Dismantling - current clamps
30 Remove the clamp knob as follows (Fig 6.7):
30.1 Turn the clamp knob (23) counterclockwise to the ‘OFF’ position.
30.2 Using a suitable instrument, such as a flat-bladed screwdriver, carefully remove the knob cap
(26).
30.3 Remove the screw (25), washer (24) and clamp knob (23).
30.4 Remove the grubscrew (16).
31 Remove the oval leg as follows (Fig 6.7):
31.1 Remove the screw (21) securing the foot (22) to the oval leg tube (15).
31.2 Slide the leg upwards until the T-piece is at about the midway position.
31.3 Flex the leg tubes outwards and disengage the T-piece towards the rear. Pull the oval leg
backwards and upwards out of the bottom clamp.
32 Remove the bottom clamp as follows (Fig 6.7):
32.1 Remove the lower clamp assembly (20), the cam moulding (19), the bottom clamp shaft (18) and
the washer (17) from the bottom clamp moulding.
Assembly - current clamps
33 Install the bottom clamp as follows (Fig 6.7):
33.1 Apply Chesterton 622 grease to the cam surface of the cam moulding (19) and the washer (17).
33.2 Install the washer (17), the bottom clamp shaft (18), the cam moulding (19) and the lower clamp
assembly (20) in the bottom clamp moulding.
34 Install the oval leg as follows (Fig 6.7):
34.1 Working from the rear, insert the oval leg (15) in the bottom clamp moulding, taking care not to
damage the surface of the lower clamp assembly (20).
34.2 Push the leg down until the T-piece is at about the midway position. Flex the leg tubes outwards
and engage the T-piece with the legs.
34.3 Refit the foot (22) on the oval leg tube (15) and secure with the screw (21).
35 Install the clamp knob as follows (Fig 6.7)
NOTE: The design of the bottom clamp has been modified
At Serial No. 03515, the shaft was fitted with a locking thread insert and the 2 x M5
grubscrews, were changed to 1 x M5 x 10 mm