38
23.4 Position the RH side plate/mechanism cover (10) so that the trunnion of the spring actuator
assembly engages correctly with the needle roller bearing in the RH side plate. Ensure platform halves
are correctly aligned.
23.5 Secure the mechanism cover (10) to the mechanism housing (13) using two screws (12) and
Loctite 222E. Tilt the platform and install screw (4) using Loctite 222E.
23.6 Referring to
, check the end float on pan drive shaft (15). This should be maximum
0.1 mm. Remove RH side plate/mechanism cover and add or remove shims washers (16) as required.
23.7 Refer to
. Using a 5 mm hexagonal wrench though the hole in the mechanism housing,
tighten screw (12) until spring (15) is lightly clamped, then tighten a further two full turns.
23.8 Secure balance knob (1) in mechanism housing with circlip (21).
23.9 Referring to
, install screw (20) using Loctite 222E.
23.10 Install nut (1) using Loctite 222E.
23.11 Push platform slide release shaft (15) fully to the right against the pressure of the spring (14) and
push slide release button (18) fully into the tilt module assembly (17). Release platform slide release
shaft (15) to secure button.
23.12 Apply self-adhesive platform label (2).
23.13 Install platform slide (24) and screw in platform knob shaft (5) until platform slide is held securely.
Position platform knob clamp in the 6 o’clock position and secure with screw (7) and Loctite 222E.
23.14 Apply self-adhesive mechanism housing label (22).
Final assembly
24
Install the pan drag knob as follows
24.1 Use the drag knob boss (16) to turn the pan drive shaft (12) fully counter-clockwise.
24.2 Install two springs (22) and balls (21) in the mechanism housing cover (25). Install the drag knob
boss (16) on the pan drive shaft (12) so that its stop is to the right and abutting the stop on the
mechanism housing cover (15).
24.3 Install the pan drag knob (19) on the pan drive shaft (12) so that ‘0’ on the knob aligns with the
indicator on the mechanism housing cover (15). Secure knob with washer (17) and screw (19), using
Loctite 222E.
24.4 Confirm operation of the drag mechanism by turning knob fully clockwise, then counter-
clockwise.
24.5 Install drag knob plug (18).