Vinten Vision 11 Maintenance Manual page 30

Contents
8.3 Pull the tilt brake disc (3) off the LH side plate (6). If required, remove the bearing (4) from the tilt
brake disc.
8.4 Unscrew and remove the brake shaft (7).
8.5 Pull the calliper (13) out of its housing, taking care to retain the one outer and two inner brake
pads (12, 14).
Balance mechanism
9 To remove the balance mechanism
9.1 Remove the tilt drag unit assembly
9.2 Pull the bearing needle roller (29) out of the mechanism housing (44).
9.3 Pull the Spirol pin (40) out of the adjustment slide (30).
9.4 Remove screw (38) from actuator shaft (33).
9.5 Remove spiral ring (16) from the groove in mechanism housing (44) and allow it to rest on the
neck of balance knob assembly (17).
9.6 If the dowel pin (31) has been properly centralised, it will be possible to pull the balance knob
(17), adjustment slide (30) and actuator shaft (33) out of the mechanism housing. The balance knob
may then be unscrewed from the adjustment slide and two thrust washers (14) and the thrust bearing
(15) removed.
9.7 If the assembled balance mechanism cannot be pulled out of the mechanism, unscrew the
balance knob assembly (17) and remove from the mechanism housing, together with two thrust
washers (14) and the thrust bearing (15). Manoeuvre the assembled adjustment slide (30) and actuator
shaft (33) out of the mechanism housing.
9.8 Lift the spring actuator assembly (34), spring (35), buffer (36), spring end cap (37) and screw
(37) out of the mechanism housing. The buffer (36) is retained in the end cap (37) with Loctite 495.
9.9 If required, drive out pin (31) to separate adjustment slide and actuator shaft. Remove glacier
bearing (32)
Pan unit assembly
10 To remove the pan unit assembly
10.1 Remove the tilt drag unit assembly
mechanism (Para
10.2 Remove the pan brake knob
10.3 Remove one screw (42), one screw (43) and one screw (22) securing pan drag unit (21) to
mechanism housing (44). Note length and position of screws.
10.4 Carefully lift the pan drag unit off the mechanism housing and brake shaft.
(Fig 6.2):
(Para
(Fig 6.2):
(Para
9).
(See "Brake knob adjustment" on page
First
Page
5) and the tilt brake unit assembly
5), the tilt brake unit assembly
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(Para 7).
(Para 7) and the balance
21.).
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