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30.2.2
Adjust adjustable axle (87)
30.2.3
Tighten locking screw (5) and recheck block for stability.
30.2.4
Repeat
30.3 Refit two plunger (carriage assemblies) (25), springs (26) and spring plugs (27) removed at
Para
24.7. Ensure ends of spring plugs (27) are flush with front face of balance mechanism block (166).
30.4 Continue refitting procedure at
31
If it has been necessary to change any of the buffer pads proceed as follows:
31.1 Temporarily attach platform assembly (38) by a reversal of procedure at
31.2 Using two sets of feeler gauges measure clearance between loading bars (119) and (130) and
load beam (174) and note dimensions, which should be approximately equal. Care must be exercised
to ensure no bias is put onto loading bars during this operation.
31.3 Remove platform assembly as detailed at
31.4 Peel laminations from new load beam shims (13)
Para
31.2.
31.5 Assemble shims into position and retain each with two M5 button head screws (14) passed
through load beam into respective loading bar. Do not tighten screws at this stage. Final tightening is
performed during refitting of end plate/adjustment shaft assembly.
31.6 Continue refitting at
32
If no buffer pads have been changed proceed as follows:
32.1 Refit shims removed at
32.2 Retain shims with two M5 button head screws (14) passed through load beam into each loading
bar. Do not tighten screws at this stage. Final tightening is performed during refitting of end plate/
adjustment thread assembly.
33
Continue the mechanism block assembly refitting as follows:
33.1 Refit cross members as detailed at
33.2 Refit main spring and end plate/adjustment thread assembly as detailed at
33.3 Refit front cover as detailed at
33.4 Refit top cover as detailed
33.5 Refit platform assembly as detailed at
Base assembly
34
The base assembly (either spherical (266,
removing the four M5 socket cap head screws
refitted by a reversal of this procedure.
(Fig
Para 30.2.1
to
Para 30.2.3
Para 31
or
Para
33.
Para
24.9, ensuring same orientation as removed.
Para
23.
Para
17.
atPara
15.
Para
Fig
6.12) or flat
(Fig 6.1
First
Page
6.3) until block ceases to rock.
if necessary.
Para 32
as appropriate.
Para 9.2
to
Para
9.4.
(Fig
6.2) to achieve dimensions noted at
13.
(276,Fig
6.13) is removed by unscrewing and
item D) and lifting the head from the base. The base is
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Para 9.2
to
Para
9.4.
Para
19.
33
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