TM 5-2420-230-24-1
Spicer Speciality Axle Division - Technical Publications
GLEASON GEARS
Typical preferred tooth contact
(pinion member left hand in all cases shown)
HEEL
TP22
TOE
Pinion
CONVEX SIDE
CENTRAL TOE
CONTACT
TOE
HEEL
Crownwheel
CONCAVE SIDE
CENTRAL TOE
CONTACT
CONCAVE SIDE
CONVEX SIDE
CENTRAL TOE
CENTRAL TOE
CONTACT
CONTACT
Fig. C
Fig. B
PROFILE ERROR
PROFILE ERROR
To correct, move pinion away from
To correct, move pinion towards
crownwheelin direction of arrow A.
crownwheel in direction of arrow A.
To maintain backlash, move crownwheel
To maintain backlash, move crownwheel
towards pinion in direction of arrow B.
away from pinion in direction of arrow B.
A
A
Error
Error
CONVEX SIDE
CONVEX SIDE
HIGH TOE
B
LOW HEEL
CONTACT
B
CONTACT
CONCAVE SIDE
CONCAVE SIDE
HIGH HEEL
LOW TOE
CONTACT
CONTACT
CONCAVE SIDE
CONVEX SIDE
CONCAVE SIDE
CONVEX SIDE
HIGH HEEL
HIGH TOE
LOW TOE
LOW HEEL
CONTACT
CONTACT
CONTACT
CONTACT
Manual No. 1785 Issue A
Page No.C18
Spicer Speciality Axle Division
J-82
