KitchenAid KSM75 Service Manual page 20

Stand Mixer Service Manual LIT4177310-C
Fig. 54 Removal of vertical shaft from bottom cover.
Fig. 55 Bevel center gear being lifted for inspection.
E. Check the lower center bearing for wear.
This is an oilless bearing and should be in good
condition.
If it is worn, the gearcase bottom cover will have
to be replaced, since the bearing is an integral part.
F. If the attachment hub bevel gear was replaced,
then the bevel center gear on the bottom cover
must also be replaced.
G. Place the same washer on lower center bearing.
Place the gear assembly on top of the center
bearing. Insert the end of the vertical center shaft
opposite the "O" ring into the bottom cover
(Fig. 54).
KITCHENAID
Push shaft upward and insert the pin (Fig. 53).
Center pin in shaft and lower shaft into gear
assembly.
Turn shaft until pin seats in gears, and gears and
shaft turn together. Wipe all excess lubricant from
bottom of vertical shaft on "O" ring.
H. Check the worm gear and pinion gear (Fig.56).
Worm Gear
Fig. 56 Check worm gear and pinion before reassemble.
Shim washer
To replace these gears, drive out the groove pin
(Fig. 57).
Fig. 57 The drive pin must be removed to change the
Make a note of the positions of fiber washers.
They will be installed the same way with the new
gears. From the top of the worm gear bracket, drive
out the pinion shaft.
NOTE: The pinion on pre May 6th, 2002,
K45SS models, have 11 teeth. On all other units
the pinion has 10 teeth.
Page 17
Pinion gear and shaft
gears.
2005 KitchenAid
Drive pin