Manitowoc National Crane 1300A Service And Maintenance Manual

National Crane 01-22-2019 Control # 051-08 2-13
1300A HYDRAULIC SYSTEM
2
Swing, Outriggers, and Pump Section P3
1. Select an outrigger and remove the retract line from the
outrigger extend cylinder.
2. Install a tee connector with a pressure gauge in the
retract line (Figure 2-7).
3. Start engine and set throttle to governed rpm.
4. Activate the retract function for the selected outrigger
and adjust the relief valve for the swing, outriggers, and
pump section P3 to 3000 (+100/-0) psi (20684 kPa)
(+689/-0).
5. Shutdown the engine and disconnect the pressure
gauge and reconnect the stabilizer retract line.
Swing, Outriggers, and Pump Section P3
Alternate Method
1. Connect a pressure gauge to the quick disconnect test
port (2) on the main control valve (Figure 2-3)
2. Start the engine and set the throttle to governed rpm.
3. Activate the swing park brake.
4. Move the swing control lever and adjust the relief valve
for the swing, outriggers, and pump section P3 to 3000
(+100/-0) psi (20684 kPa) (+689/-0).
5. Shut down the engine and remove the gauge.
Single Front Outrigger (SFO)
1. Disconnect the SFO extend and retract lines
(Figure 2-9). Cap the retract line and install a gauge in
the extend line.
NOTE: Install a gauge in each line and set the extend and
retract pressures as described below with extend/
retract switch.
2. Start engine and set at governed rpm.
3. Depress the front outrigger extend/retract switch to
extend.
4. Adjust the extend relief valve on the Single Front
Outrigger (SFO) port block to 500 psi (+100/-0) (3447
kPa) (+689/-0).
5. Shut down the engine.
6. Remove the gauge from the extend line and install in the
retract line. Cap the extend line.
7. Adjust the retract relief valve on the Single Front
Outrigger port block to 1750 psi (+100/-0) (12065 kPa)
(+689/-0)
8. Shutdown the engine, remove the gauge and cap, and
reconnect the SFO hydraulic lines.
R
JE
BE
To
Outrigger
Manifold
R = Retract
JE = Jack Extend
BE = Beam Extend
Outrigger Jack
Cylinder
Outrigger
Extension
Cylinder
FIGURE 2-7
Swing, Outrigger, Pump Section
P3 Relief Valve
FIGURE 2-8
Front Outrigger Manifold

Manitowoc National Crane 1300A Specifications

General

Brand	Manitowoc
Model	National Crane 1300A
Category	Construction Equipment
Language	English