4-19
DS35-W00 May. 2007
CLUTCHCLUTCH
CLUTCHCLUTCH
CLUTCH
TRANSMISSIONTRANSMISSION
TRANSMISSIONTRANSMISSION
TRANSMISSION
ENGINEENGINE
ENGINEENGINE
ENGINE
HSTHST
HSTHST
HST
FRONT AXLEFRONT AXLE
FRONT AXLEFRONT AXLE
FRONT AXLE
STEERINGSTEERING
STEERINGSTEERING
STEERING
BARKEBARKE
BARKEBARKE
BARKE
ELECTRICELECTRIC
ELECTRICELECTRIC
ELECTRIC
INDEXINDEX
INDEXINDEX
INDEX
HYDRAULICHYDRAULIC
HYDRAULICHYDRAULIC
HYDRAULIC
GENERALGENERAL
GENERALGENERAL
GENERAL
REAR AXLEREAR AXLE
REAR AXLEREAR AXLE
REAR AXLE
CK22/CK22H
C. DIFFERENTIAL LOCK
When resistance to the right and left tires is different
due to ground conditions or type of work, the wheel
with less resistance slips and prevents the tractor
moving ahead.
To compensate for this, the differential lock restricts
the differential action and causes both rear axles to
rotate as a unit.
When the differential lock pedal is stepped on, it causes
the differential lock fork (10) and differential lock clutch
(7) are moved toward the spiral bevel gear (1).
The differential lock clutch (7) is engaged with the teeth
of the differential case (4) to cause the differential case
(4) and differential lock clutch (7) to rotate as a unit.
Therefore, the differential pinions (3) are prevented from
rotating on their axes so that they move around the
center of the differential side gears (5) as in the case of
the tractor going straight ahead.
Thus, the rotation of the spiral bevel pinion is transmit-
ted to the both rear axles evenly.
When the drive wheels regain equal traction, the lock
will disengage automatically by the force of differential
lock pedal return spring.
(1) Spiral bevel gear
(2) Spiral bevel pinion
(3) Differential pinion
(4) Differential case
(5) Differential side gear
(6) Differential pinion shaft
(7) Differential lock clutch
(8) 11 gear shaft (RH)
(9) 11 gear shaft (LH)
(10) Differential lock fork
(11) Differential lock pedal
196W427A
TRANSMISSION - OPERATING PRINCIPLE
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