Spicer Speciality Axle Division - Technical Publications
SUN GEAR AND BRAKE DRUM ASSEMBLY
Fit sun gear thrust washer (60) then sun gear (61) onto outer drive shaft (102).
Secure sun gear with circlip (62).
Slide planet carrier assembly into position ensuring that gears mesh correctly.
Fit washers (65) and planet carrier setscrews (66) to secure planet carrier assembly and tighten
to 110 - 125 lbs. ft. (149 - 170 Nm.).
Refit planet carrier relief valve (69).
Charge hub with oil (see lubrication instructions in front of this manual for correct amount and
Fit oil level plug (68) and washer (67) and tighten .
With brake drum (1) suitably supported slide into position on hub.
Fit brake drum retaining setscrew (70) and tighten to 72 - 80 lbs. ft. ( 98 - 109 Nm) torque setting.
Adjust brakes hard against brake drum then back off just enough to allow wheels to revolve without
Interfaces between brake drum and hub must be free from dirt, including liner material
debris, rust and paint.
Failure to keep interfaces clean, can and will cause brake drum to distort upon
tightening of wheel nuts. For further details see BS AU50 : Part 2 : Section 7A : 1995.
Fig. No. 35
Manual No. 1785 Issue A
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