DH3340GF20031X, 3.2 - Differential Lock 31 - Location of Components, Pneumatic System

DH3340GF20031X, 3.2 - Differential Lock 31 - Location Of Components, Pneumatic System

Location of components - Pneumatic system





Fig. 1

M 14/1 Gasoline engine auxiliary vacuum pump
67 Diesel engine vacuum pump
a Vacuum reservoir 0.4 liters
b Front/rear axle lock pressure booster unit

Location of components - Pneumatic system





Fig. 2

Function diagram for diesel models (transfer case and rear axle lock engaged)

a engaged
b Shift pressure
c Supply pressure
d Hydraulic pressure
1 Transfer case
2 Transfer case lock electric switchover valve Y68
3 Replaceable filter at electric switchover valve
4 to engine vacuum pump
5 Check valve
6 Rear axle lock electric switchover valve Y68/1
7 Front axle lock electric switchover valve Y68/2
8 Brake vacuum reservoir: in frame cross member 4.4 liters aux. vacuum reservoir 1.8 liters
9 to brake servo unit
10 Differential locks vacuum reservoir 0.4 liters
11 Front axle lock pressure booster unit
12 Hydraulic connection to front axle lock
13 to hydraulic system reservoir
14 Hydraulic connection to rear axle lock
15 Rear axle lock pressure booster unit
16 Right wheelhouse

Location of components - Pneumatic system





Fig. 3

Function diagram gasoline models (transfer case and rear axle lock engaged)

a engaged
b Shift pressure
c Supply pressure
d Hydraulic pressure
1 Transfer case
2 Transfer case lock electric switchover valve Y68
3 Replaceable filter at electric switchover valve
4 to engine intake manifold
5 Check valve
6 Rear axle lock electric switchover valve Y68/1
7 Front axle lock electric switchover valve Y68/2
8 Brake vacuum reservoir: in frame cross member 4.4 liters aux. vacuum reservoir 1.8 liters
9 to brake servo unit
10 Differential locks vacuum reservoir 0.4 liters
11 Front axle lock pressure booster unit
12 Hydraulic connection to front axle lock
13 to hydraulic system reservoir
14 Hydraulic connection to rear axle lock
15 Rear axle lock pressure booster unit
16 Right wheelhouse
17 Electric auxiliary vacuum pump M14/1