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Balance mechanism
13
To remove/dismantle the balance mechanism, proceed as follows:
13.1 Remove the platform
(Para 7)
and tilt drag mechanism
13.2 Referring to
13.2.1
Remove three screws (5) securing RH cover plate (7).
13.2.2
Remove three screws (5) securing LH cover plate (23). Disconnect and remove the
battery.
13.2.3
Remove four screws (5) securing brake lever guide assy (6) and brake lever cover
plate (4).
13.2.4
Remove two screws (5) securing switch cover plate (8). Remove screw (9) securing
PCB to base and carefully remove switch cover plate PCB and battery connector. Note the
position of the LED and carefully manipulate it from its location
13.3 Referring to
out the two top pins (31). An M3 screw may be installed in the pins to assist in removal. Note the
position of and retain all shims (17).
13.4 On the mechanism housing (10), slacken the two top grubscrews (8) and pull out the two pins
(9). An M3 screw may be installed in the pins to assist in removal. Note the position of and retain all
shims (17).
13.5 Remove the two platform pivot blocks (5). If required, the plain bearings (6) may be removed by
slackening screws (3).
13.6 At the RH and LH actuators (42, 34), slacken screws (32).
13.7 Pull the bevel pinion shaft (37) sharply outwards to unseat the RH actuator shaft (36) and
bearing (11).
13.8 At the bevel pinion (41) unscrew the two grubscrews (40) until the shaft (37) can be pulled out of
the mechanism housing.
13.9 Remove the RH actuator shaft (36), complete with bearing (11), two snap rings (38) and flanged
bush (39). Dismantle as required.
13.10 Turn the tilt drag shaft (29) to align the holes and remove three screws (27). Pull out the tilt drag
shaft, complete with omniseal (28), tilt drag shaft seal plate (26), bearing (24) and snap ring (23).
Dismantle as required, noting the orientation of omniseal (28). Remove and discard gasket (25).
13.11 Lift out the vertical track member (7) together with the RH and LH actuators (42, 34). To remove
the actuators, slacken grubscrews (8) and pull out the two lower pins (31). An M3 screw may be
installed in the pins to assist in removal. Note the position of and retain all shims (17).
13.12 If required, the plain bearings (6) may be removed from the actuators (34, 42) by slackening
screws (33).
(Para
3), spring-loaded flap
(Para
11).
Fig
6.3, remove all base cover plates as follows:
Fig
6.6, on the vertical track member (7), slacken the two top grubscrews (8) and pull
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