Manitowoc 2250 Service And Maintenance Manual

Reference Only
ELECTRIC SYSTEM 2250 SERVICE/MAINTENANCE MANUAL
3-48
Published 11-06-15, Control # 040-13
Swing (Crane)
1. Handle command in percent from neutral (+ right, – left).
For certain operating conditions the handle command is
set to neutral by the controller even if the handle is not in
neutral.
2. Crane swing pump command in percent from neutral (+
right, – left).
3. Measured pump pressure swing right (port B) in psi.
4. Measured pump pressure swing left (port A) in psi.
NOTE: Banks 5-7 appear only on current production
cranes without a swing lock.
5. Measured swing brake pressure (0-750 psi)
6. MAX-ER 2000 shorting plug status:
0 = MAX-ER 2000 enabled
1 = MAX-ER 2000 shorting plug installed
2 = MAX-ER 225 enabled
4 = MAX-ER 225 shorting plug installed
7. MAX-ER 2000 travel status:
0 = travel disabled
1 = travel enabled
MAX-ER 2000 travel status is determined by swing
brake pressure and MAX-ER shorting plug status. If
swing pressure is less than 150 psi AND MAX-ER
shorting plug is absent, travel is disabled.
8. Swing limiter sensor status (appears only if equipped
with swing limiter):
+ = swing right
- = swing left
Track (Crane Crawlers)
1. Right handle command in percent from neutral (+
forward, – backward). For certain operating conditions
the handle command is set to neutral by the controller
even if the handle is not in neutral.
2. Right pump command in percent from neutral (+
forward, – backward).
3. Left handle command in percent from neutral (+ forward,
– backward. For certain operating conditions the handle
command is set to neutral by the controller even if the
handle is not in neutral.
4. Left pump command in percent from neutral (+ forward,
– backward).
5. Measured system pressure right track in psi.
6. Measured system pressure left track in psi.
7. Command to parking break (1 release, 0 engage).
Mast Accumulator
1. Accessory disable valve stroke (0 to 100%).
2. Control requirement:
0 = No Demand
1 = Accessory Disable Valve Enable Input
2 = MAX-ER Wagon Controls
3 = MAX-ER Luffing Jib Stop Cylinders
4 = Mast Stop Cylinders
3. Accumulator Pressure (psi).
4. Accessory Pump Pressure (will display if equipped).
MXR (MAX-ER 2000)
1. Counterweight Level Indicator (+ = degrees high on right
side or
- = degrees low on left side).
2. Backhitch Load (US Tons + = tension, and - =
compression).
3. MAX-ER Switches (see below).
SWING
1 2 3 4
6
7
5
8
1
5
2
6
3
7
4
TRACK
1
3
2
ACCUM
4
1
6
2
7
3 4
MXR
8
5
9
MAX-ER Switches 0 1 2 3 4 5 6 7
Left strap cylinder limit switch (normally
closed)
Counterweight raise remote control
switch (normally open)
Counterweight lower remote control
switch (normally open)
Dark shaded boxes indicate ON; white boxes OFF.

Manitowoc 2250 Specifications

General

Brand	Manitowoc
Model	2250
Category	Construction Equipment
Language	English