44
Figure 6-58
Align the drive end bracket and mount with
the cap screws. (Figure 6-59.) Insert two cap
screws with lock washers into the bearing
lock and tighten. Remove the guide pins and
replace with the remaining two cap screws
with lock washers. Torque bearing cap
screws to 25 lb.-ft (34 NM). Torque bracket
mounting cap screws per specifications
given in section 12.
Figure 6-59
CAUTION:
ON LARGE GENERATORS, A HOIST
AND LIFTING STRAP SHOULD BE
USED TOASSIST IN THE DRIVE END
BRACKET OR THE SAE ADAPTER
ASSEMBLY.
4. For single bearing generators, insert a
guide stud into the drive hub. Position all
spacers (if any), then all drive discs, one at a
time until all discs are installed. (Figure 6-
61.)
Figure 6-61
Make sure that all disc mounting holes at
the inner and outer diameter are properly
aligned. Secure the discs with the grade
eight 5/8-18 cap screws and hardened
washers. Torque to 192 ft-lb. (260 N-m).
Torque the bolts in sequence according to
Figure 6-62.
Figure 6-62
5. Install the outer bearing cap on the exciter
end. (Figure 6-63.) Align holes in inner and
outer bearing cap and install cap screws.
Torque to 25 lb.-ft (34 N-M) (Figure 6-64.)
