CHAPTER 4 8454
4-56
D569-W02 May-2003
TURNING THE CORNER
<The Condition of not Engaged the Diff. Lock Gear>
The power from the engine on spiral bevel pinion (7)
rotates spiral bevel gear (2). When turning a corner,
the outer wheel must travel farther than the inner one.
While differential pinions (4) rotate with the differential
case (3), they spin on differential pinion shaft to trans-
mit more rotation to one differential side gear than to
the other. As one differential gear shaft rotates faster,
the other rotates slower by the same amount.
6.2 OPERATION
TRAVELING STRAIGHT AHEAD
<The Condition of Engaged the Diff. Lock Gear>
Rotation of the spiral bevel pinion (7) is transmitted to
the spiral bevel gear (2) bolted to the differential case
(3). When road resistance to the right and left wheels
are equal, the differential pinions (4), and differential
side gears (1), (5) are carried around by the spiral bevel
gear (2), and differential case (3) rotate as a unit. Dif-
ferential gear shaft (6), (8) receive the same rotation
and both wheels travel at the same speed.
(1) Differential Side Gear (5) Differential Side Gear
(2) Spiral Bevel Gear (6) Differential Gear Shaft
(3) Differential Case (7) Spiral Bevel Pinion
(4) Differential Pinion (8) Differential Gear Shaft
(1) Differential Side Gear
(2) Spiral Bevel Gear
(3) Differential Case
(4) Differential Pinion
(5) Differential Side Gear
(6) Differential Gear Shaft
(7) Spiral Bevel Pinion
(8) Differential Gear Shaft
569W491A
569W492A
www.mymowerparts.com
K&T Saw Shop 606-678-9623 or 606-561-4983
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