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17.44 Screw the brake shaft in as far as it will go and install brake knob (17) on the shaft. The arm of
the brake knob should be fitted to the splines so that it is vertical when the brake is fully applied.
17.45 Apply Loctite 222E to the thread of screw (18) and secure the brake knob to the tilt brake shaft.
17.46 Fit brake knob cap (19), securing it with Silcoset 153 adhesive.
17.47 Lubricate the needle bearing in boss of tilt drag housing with white bearing grease.
18 Install the tilt unit assembly as follows (Fig 6.2):
18.1 If bearing (17) has been removed from mechanism housing cover (30), remove all traces of old
adhesive from the bearing seating in the mechanism cover and the outer race of the bearing and
degrease both surfaces.
18.2 Apply Loctite 641 to the bearing seating and install bearing (17) in the mechanism housing cover,
taking care that Loctite does not contaminate the bearing and ensuring that the bearing is correctly
seated. Allow the Loctite to cure.
18.3 Degrease four threaded holes in lower part of LH side of mechanism housing (16).
18.4 Install the mechanism housing cover (30) on the mechanism housing (16) and secure it with
three screws (33).
18.5 Degrease the threads of two screws (29), one screw (31) and one screw (32).
18.6 Assemble the tilt unit to the mechanism housing, engaging the trunnion of the balance
mechanism in the needle roller bearing in the tilt unit and taking care that the pan brake cup is not
dislodged from its bore in the mechanism housing.
18.7 Apply Loctite 222E to the threads of two screws (29), one screw (31) and one screw (32) and
secure the tilt unit to the mechanism housing. Ensure that both screws (29) (12mm lg) are installed at
the rear of the head, screw (31) (25mm lg) is installed nearest to the base at the front of the head and
that screw (32) (20mm lg) is installed close to the pan brake boss at the front of the head. Align the
external surfaces of the outrigger and the mechanism housing before tightening the screws.
18.8 Referring to Fig 6.4, install the pan brake components as follows:
18.8.1 Degrease threaded hole in splined end of pan brake shaft (16) and one screw (18).
18.8.2 Install a spring element (20) and friction element (21) in the pan brake shaft (16).
18.8.3 Apply M204G grease to the conical point of pan brake shaft (16) and white bearing
grease to the threaded part.
18.8.4 Using a flat-bladed screwdriver through the hole for the pan brake shaft, push the pan
brake cup (Fig 6.4 item 33) down to contact the pan brake disc.
18.8.5 Screw the brake shaft in as far as it will go and install brake knob (17) on the shaft. The
arm of the brake knob should be fitted to the splines so that it is vertical when the brake is fully
applied.
18.8.6 Apply Loctite 222E to the thread of screw (18) and secure brake knob to pan brake
shaft.
18.8.7 Fit brake knob cap (19), securing it with Silcoset 153 adhesive.
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