Wacker Neuson 28Z3 Service Manual

3-40 SHB 28Z3 EN – Edition 2.0 * 28z3s313.fm
Pump 3 Function
Movement Symbol Measuring port Pressure limiting valve
Specified values
1st meas-
urement
2nd meas-
urement
Engine
speed
Pressure in bar (psi)
Stabiliser blade
UP
Measuring port
MP 3
(pump)
Primary pressure limiting
valve PPLV 3
(main valve block)
max. 206
-4/+2
(2988
-58/+29
)
min. 185
-4/+2
(2683
-58/+29
)
DOWN
max. 206
-4/+2
(2988
-58/+29
)
min. 185
-4/+2
(2683
-58/+29
)
Auxiliary hydraulics
A (2)
max. 206
-4/+2
(2988
-58/+29
)
min. 185
-4/+2
(2683
-58/+29
)
B (2)
max. 206
-4/+2
(2988
-58/+29
)
min. 185
-4/+2
(2683
-58/+29
)
Swivel boom
Left
max. 206
-4/+2
(2988
-58/+29
)
min. 185
-4/+2
(2683
-58/+29
)
Right
max. 206
-4/+2
(2988
-58/+29
)
min. 185
-4/+2
(2683
-58/+29
)
3rd control cir- cuit (option)
Left
Measuring port
MP 3
(pump)
Primary pressure limiting
valve PPLV 3
(main valve block)
max. 206
-4/+2
(2988
-58/+29
)
min. 185
-4/+2
(2683
-58/+29
)
Right
max. 206
-4/+2
(2988
-58/+29
)
min. 185
-4/+2
(2683
-58/+29
)
Upper carriage rotation
Left
Measuring port
MP 3
Secondary pressure limiting
valve
SPLV
(gear motor)
max. 200
-4/+2
(2900
-58/+29
)
min. 180
-4/+2
(2611
-58/+29
)
Right
max. 200
-4/+2
(2900
-58/+29
)
min. 180
-4/+2
(2611
-58/+29
)
3.14 Test report

Wacker Neuson 28Z3 Specifications

General

Brand	Wacker Neuson
Model	28Z3
Category	Excavators
Language	English