Manitowoc National Crane 1300A Service And Maintenance Manual

National Crane 01-22-2019 Control # 051-08 7-5
1300A OUTRIGGERS
7
4. Insert the rod end of the extension cylinder into the
keyhole to secure the end of the rod.
5. Reinstall the keeper in the keyhole.
6. Reinstall the outrigger beam as described in Outrigger
Beam Removal on 1.
STABILIZER CYLINDER
The four stabilizer cylinders extend down to provide stability
for crane operation. The cylinder barrel extends down out of
the stabilizer support tube. This protects the cylinder rod and
reduces problems caused by dirt and mud.
Removal
1. With a lifting device, raise the truck until there is enough
clearance to remove the stabilizer cylinder (6) from the
stabilizer support tube (4).
2. Extend the outrigger beam until the access hole (1) on
top of the outrigger beam is accessible.
3. Tag and disconnect the hydraulic hoses to the stabilizer
cylinder.
4. Remove the check valve (2) on top of the cylinder.
NOTE: The weight of the stabilizer cylinder is about 119 lbs
(54 kg) dry.
5. Place a jack under the stabilizer cylinder and jack up the
cylinder to relieve the pressure on the lock plates.
6. Unbolt and remove the lock plates (3).
7. Lower the jack until the stabilizer cylinder clears the
stabilizer support tube.
Installation
1. Apply grease (EP-MPG) to the ID of the stabilizer
support tube.
1. Place the stabilizer cylinder under the stabilizer support
tube and jack up the cylinder until there is enough
clearance to slide the lock plates into position.
2. Insert the lock plates and secure with the bolts.
3. Reinstall the check valve.
4. Reconnect the hydraulic hoses as per removal tags.
WEAR PAD ADJUSTMENT
There are 7 adjustable wear pads on each outrigger. Three
wear pads are on the outrigger box and can be accessed
from the outside. Four wear pads are on the outrigger beam
and are adjusted from inside the outrigger beam. See items
(7) and (8) in Figure 7-1. To adjust the wear pads following
procedure:
2
3
5
6
4
FIGURE 7-5
1
Item Component
1 Access Hole
2 Check Valve
3 Retaining Clips
4 Stabilizer Support Tube
5 Wear Rings
6 Stabilizer Cylinder

Manitowoc National Crane 1300A Specifications

General

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