Spicer Speciality Axle Division - Technical Publications
INITIAL PREPARATION BEFORE FITTING ASSEMBLED SPIRAL BEVEL WHEEL
(CROWNWHEEL) AND DIFFERENTIAL
Secure pinion and casing assembly in a suitable diff. build stool.
Clean and deburr bevel casing legs (19) and bevel casing straps (12).
Fit bearing cups (14 & 44) into relevant half bores of bevel casing (19).
Check bevel casing strap studs (18), if any have been removed, replace then tighten to
88 - 98 lbs ft.(119 - 133Nm.).
Carefully fit bevel casing straps (12) down studs (18) to locate on bearing cups (14 & 44).
Check alignment of matching marks on bevel casing legs and straps (19 & 12) to ensure that straps are
not transposed, bearing cups (14 & 44) should rest snugly in bores.
on no account should extra pressure e.g. hammer be used .
Fit diff. strap washers (11) and temporary plain nuts onto bevel casing strap studs (18) then tighten to
105 lbs ft. (142Nm.).
Fit bearing adjusting nuts (13 & 45) which should be free to turn with hand pressure only, if not, it may
be because of cross threading. Remove and deburr.
Check freedom of diff. bearing adjusting nuts (13 & 45) by unscrewing and refitting.
To assist this operation, tap bevel casing straps (12) lightly on top with a 2lb hammer. See fig. no. 5.
adjusting nut (13 & 45)
Fig No. 5
Having checked fitting of adjusting nuts (13 & 45), remove bevel casing straps (12), bearing
cups (14 & 44) and adjusting nuts (13 & 45).
Manual No. 1785 Issue A
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