Spider CT Repair
wc_tx000553gb.fm 88
7.7 Installing the Spider
See Graphic: wc_gr003154
7.7.1 Install the setscrews (61) into the spider so that all but one thread is
threaded into the spider.
7.7.2 Apply Alvania #2 or equivalent to the grease fittings (41) and install
them into the spider.
7.7.3 Coat the bearing sleeve of the blade lift ring assembly (9, 10, 28, 88)
with anti-seize compound and slide the blade lift ring assembly over
the spider (8).
7.7.4 Slide the spider assembly onto the output shaft. Check for free
movement of the blade lift ring over the spider.
7.7.5 Apply Loctite 243 or equivalent to the screw (55); use the screw and
the washer (72) to secure the spider to the output shaft. Torque the
screw to 25 Nm (18 ft.lbs.).
7.7.6 Install the cap plug (40).
7.7.7 Slide the yoke (12) around the blade lift ring. Attach the yoke to the
gear box with the clevis (43) and the cotter pin (45).
7.7.8 Reinstall the blade arms and the blades. See sections Replacing the
Blades and Replacing the Arms.
7.7.9 Reposition the trowel on a flat surface.
7.7.10 Thread the pitch control cable into the yoke and attach the locknut.
Tighten the locknut until the cable is snug with the blades lying flat (0°
pitch).
7.7.11 Balance the blades. See section Balancing the Blade Pitch.
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