44
23.2.3
Install washer (12) and washer (11) and secure with nut (10),
23.2.4
Install cap (9).
23.3 Position pan brake lever (16) and tilt brake lever (19) in support cap (1) and install brake lever
pivot pin (21).
, connect tilt brake bell crank (8) and connecting link (43) using pin (44).
Secure with self-locking ring (9).
, pass connecting link (22) through slot in support cap (1) and between brake
levers (16, 19).
23.6 Position tilt brake link arm (18) on connecting link (22) and install pin (17).
23.7 Position pan brake fork end (6) on pan brake link arm (5). Install pin (4) and secure with self-
locking ring (3).
23.8 Position assembled pan brake link arm in support cap (1). Install shims (15) between each of the
components in the support cap, align all pivot holes and slots and install link arm pivot pin (20), noting
orientation. Secure with grubscrew (24).
23.9 Install the pan brake push rod (2) between the cup on the pan brake link arm (5) and the cup on
the pan brake lever (16).
23.10 Install the tilt brake push rod (23) between the cup on the tilt brake link arm (18) and the cup on
the tilt brake lever (19).
23.11 Position the pan brake rocker arm (7) in the support cap pivot (1). Apply Loctite 222E to the
threaded stud of the spring assembly (8) and pass it through the rocker arm and screw it into the pan
brake fork end (6).
23.12 Check moving parts for freedom and fit. Add or remove shims (15) as required.
24
To assemble the LH support cap, proceed as follows
24.1 install two bushes (19) in LH support cap (18 or 20).
25
Install the balance mechanism and end caps as follows:
, calculate the shims required between the upper and lower drive
arms and the two support caps as follows:
25.1.1
Measure the width across the support cap bearing faces on the base - dimension G.
NOTE:
Self locking ring (3) is installed inside the pan brake fork end (6), on the outside of the pan
brake link arm (5).
NOTE:
The pan brake push rod (2) is longer than the tilt brake push rod (23).
NOTE:
Final adjustment of the pan brake spring assembly is carried out after assembly of the
head.