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31.18 Install the clamp ring (3) on the tilt encoder housing (27) and secure with three screws (19) using
Loctite 222E. Tighten screws (19) sufficiently to eliminate any clearance in bearings (4) and (5).
31.19 Install the drive arm (31) on the tilt encoder drive gear (30) and secure with three screws (32).
31.20 If removed, position socket wiring assembly (10) in the tilt encoder drive cover (9). using Loctite
222, secure using locking nut.
31.21 Connect socket wiring assembly (10) to the tilt encoder (7), feeding longer wires through the tilt
housing (27).
31.22 Position the tilt encoder drive cover (9) on the tilt housing (27) and secure with four screws (28).
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32.1 Position the pan encoder on the main assembly, ensuring pan drive screws engage in the clips
(29). Secure with four screws (20).
32.2 Connect socket wiring assembly (10) to the pan encoder (7)
32.3 Manoeuvre the assembled tilt mechanism on the housing (25) and secure with four screws (17).
Final assembly
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Complete the assembly of the balance mechanism as follows
:
33.1 With the head in the upright position, turn balance knob (22) counter-clockwise until balance
adjustment stop (7) drops into position. Apply another turn to the balance knob, then tighten screw (26).
33.2 Secure balance knob assembly (22) to mechanism housing (27) with three screws (25) and one
screw (23).
33.3 Apply self-adhesive balance label (24).
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Install the pan drag knob as follows
34.1 Temporarily install the drag knob assembly (6) on pan drag shaft (5) and ensure that the drive
shaft (5) is turned fully clockwise, to zero. Remove the drag knob assembly.
34.2 Lubricate two springs (10) and balls (9) with white bearing grease and install in mechanism
housing cover (4).
34.3 Install drag knob assembly (6) on pan drag shaft (5) so that stop on boss abuts stop on
mechanism housing cover. Secure knob assembly with screw (8). Install drag knob plug (7).
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Install the tilt drag knob as follows
35.1 Temporarily install the drag knob boss (11), washer (14) and screw (17) on tilt drag shaft (3) and
ensure that the drive shaft (3) is turned fully clockwise, to zero. Remove the drag knob boss, washer
and screw.
35.2 Lubricate two springs (9) and balls (10) with white bearing grease and install in outrigger (6).
35.3 Install drag knob boss (11) on pan drag shaft (3) so that stop on boss abuts stop on outrigger.