Wacker Neuson RD 27-100, Operator'S Manual

Page: 107 / 144

wc_tx000863gb_3.fm
RD 27 Schematics
Hydraulic Schematic
with Flow Divider
Sheet 1 of 2
wc_gr004930_A3 wc_gr004930_A3
a
b
P
NEUTRAL BRAKE
SOLENOID
MF
408 cc
R L
X
1
MF
408 cc
R L
X
1
REAR DRIVE MOTOR
FRONT DRIVE MOTOR
P
A B
Dr
S
FLOW DIVIDER
SEAT SWITCH
SOLENOID
350 bars 350 bars
a
b
L1
P
S
L2
b1
B A
350 bars 350 bars
PV
22 cc
2800 RPM
61.6 L/min
b2
a1
24 bars
P1
DRIVE PUMP
a2
FROM CONTROL -HYDRAULIC
PORT T
FROM REAR MOTOR VIBE
DRAIN PORT
FROM REAR DRIVE MOTOR
PORT 1
M1
MF
8.4cc
A
FRONT VIBE MOTOR
B
HYDRAULIC TANK
149
VIBRATION PUMP
34.2 L/min @ 1925 RPM
250 bars
P
STEERING
PUMP
21.6 L/min @
1925 RPM
149
PF
17.77cc
PF
11.23cc
M3
STEERING CYLINDER
C
VIBE ON/OFF
SOLENOID
M2
REAR VIBE MOTOR
MF
8.4cc
DRUM VIBE
SOLENOID
D
100 bars
L
R
170 bars
170 bars
OIL COOLER
150 bars
VIBRATORY VALVE
T
M1
CHARGE FILTER
FWD/REV CONTROL
1.7 bars
STEERING VALVE
125 cc
105 BARS
P
T
FROM OIL COOLER
FROM FRONT DRIVE MOTOR
FROM DRIVE PUMP PORT L2
P
T
BB
A
107