
Reference
Only
INTRODUCTION
18000 SERIVCE/MAINTENANCE MANUAL
1-22
Published 12-05-17, Control # 035-23
Main Pressure Monitoring
Load drums, boom hoist, luffing jib, swing, and track screens
display and monitor system pressure. The system pressure
displayed on system screen is charge pressure or greater.
System pressure can also be checked at each pressure
sender diagnostic coupler with a 10,000 psi (689 bar) high
pressure gauge, when pump is stroked.
Accessory Systems
Crane Setup or Setup Remote mode must be selected and
confirmed before the accessory system components can be
enabled. The accessory pump (Current Production,
) supercharge pumps (Past Production,
) is the source of hydraulic pressure for the
a c c e s s o r y s y s t e m a n d h i g h p r e s s u r e a c c e s s o r y
components.
The accessory system items that are electrically enabled
with hand-held radio remote control include:
•
Rotating bed jacking cylinders (four)
•
Boom hinge pin cylinders
•
Front and rear adapter frame pin cylinders
•
Mast pins cylinders
•
Mast raising cylinders
•
Rigging winch (Drum 7)
•
Engine speed
Each hydraulic solenoid valve of the accessory system is
open circuit type where return fluid goes directly to tank.
Accessory system and high pressure accessory pressure
senders monitor each accessory system pressure.
Right and left crawler pin cylinders are enabled by spring
centered hand levers at front of lowerworks.
ACCESSORY
PUMP
MANIFOLD
THERMAL
BYPASS VALVE
PRESSURE
SENDER
PUMP
MANIFOLD
PUMP DRIVE
ACCESSORY
PUMP
SUCTION
SUCTION
PUMP
MANIFOLD
ENGINE DRIVE
ACCESSORY
PUMP
CASE HEAT VALVES
TANK
P
U
M
P
C
A
S
E
T
O
TA
N
K
R
E
T
U
R
N
M
A
N
IF
O
LD
PRESSURE
HIGH
OIL
COOLER
Current Production
FIGURE 1-15
ACCESSORY PUMP
SUPERCHARGE
TO SUPERCHARGE
MANIFOLD
SUCTION
MANIFOLD
0-3,000 PSI
(210 BAR)
(7 BAR)
100 PSI
TO SUCTION
MANIFOLD
ACCESSORY
SUPERCHARGE/
SUPPLY
ACCESSORY
PRESSURE
SENDER
SUPPLY
HIGH PRESSURE
Past Production
FIGURE 1-16
RETURN TO
FILTER
Содержание 18000
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