Manitowoc 18000, Service Maintenance Manual, Page: 51 / 316

Reference
Only
Manitowoc
Published 12-05-17, Control # 035-23
1-39
18000 SERIVCE/MAINTENANCE MANUAL INTRODUCTION
1
the load holding pressure in pressure memory. After control
handle center switch opens, node-6 controller sends a zero
output voltage to disable boom hoist brake solenoid valve HS-6. Drum brake solenoid valve shifts to block pilot
pressure to brakes and opens a line to tank. Brakes apply
before drum pump de-strokes.
C
ROTATION
P22-04 (W1P52-04)
W56-b
DRUM 4
W64-d
W64-c
W56-D
W64-U
W64-W
P23B (W1P53-B)
W56-C
MAXIMUM
BOOM ANGLE
LIMIT
BRAKE
GND
AI
DO
GND
DO
DO
GND
BOOM HOIST
CONTROL HANDLE
HS
6
BOOM HOIST
SENDER
W56-J
W56-R
W56-E
DI
24V
GND
BOOM HOIST
P12-15
P22-07 (W1P52-07)
PARK BRAKE
DI
P21-19 (W1P51-19)
5 VOLTS P21-31 (W1P51-31)
AI P21-15 (W1P51-15)
GND P21-22 (W1P51-22)
THROTTLE
ENGINE
DO P22-31 (W1P52-31)
NODE 2
INDICATOR
PUMP
LOWER
W54-L
W54-K
RAISE
CONTROL
W54-M
W54-S
GND
GND
DO
DO
EDC
DRUM 4-1
PUMP
LOWER
W54-T
W54-V
RAISE
CONTROL
W54-U
W54-W
GND
GND
DO
DO
EDC
DRUM 4-2
W56-V
W56-n
W56-p
W56-j
SPEED SENSOR
GND
5 VOLTS
EC1A
SS
EC1B
NODE 5
W64-X
DRUM 4-1
W64-Z
GND
DO
M/C
MOTOR
CONTROL
W64-a
DRUM 4-2
W64-b
GND
DO
M/C
MOTOR
CONTROL
PRESSURE
DRUM 4 MOTOR
NO
NC
W64-V
DRUM 4
PAWL
MOTOR
0
CRANE DISPLAY
10 AMP
6C8 6A
CB4
ENGINE
STOP
6C8A
P12-24
SYSTEM FAULT
ALARM
P11-07
P11-09
OPERATING LIMIT
LIGHT
GND
START
STOP
ENGINE
RUN
3
7
X
24 VOLTS
ALARM
LIGHT
CAB
PWR
50 AMP
CB7
6C13
CAN POWER
8C WCP
P12-37
P12-38
CB8
NODE 0
NODE 1
(Master)
50 AMP
CAB POWER
6C14
DO
DO
GND
DO
DI
B A
D
B
C
A
D
A
A
B
B
P22-31 (W1P52-31) DO
HANDLE
K1 K2
PM
K1
K2
PAWL OUT
PAWL IN
NODE 6
P21-31 (W1P51-31)
P21-06 (W1P51-06)
P21-22 (W1P51-22) GND
AI
5 VOLTS
FIGURE 1-26
18CSM1-124