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NATIONAL CRANE
08-19-2022 Control # 092-13
7-13
600H SERVICE MANUAL
OUTRIGGERS
7
JACK CYLINDER
The jack cylinders extend down to provide stability for crane
operation. The cylinder barrel extends down out of the jack
support tube. This protects the cylinder rod and reduces
problems caused by dirt and mud.
Removal
1.
With a lift, raise the truck until there is enough clearance
to remove the jack cylinder from the jack support tube.
2.
Extend the outrigger beam until the access hole on top
of the outrigger beam is accessible.
3.
Tag and disconnect the hydraulic hoses to the jack
cylinder.
4.
Remove the check valve from top of the jack cylinder.
NOTE:
The weight of the jack cylinder is about 119 lbs (54
kg) dry.
5.
Remove the two anchor bolts from the jack cylinder.
6.
Lower the jack cylinder out of the jack support tube.
Installation
1.
Apply grease (EP-MPG) to the ID of the jack support
tube.
1.
Place the jack cylinder under the jack support tube and
jack up the cylinder.
2.
Bolt the jack cylinder to the top of the outrigger beam.
3.
Reinstall the check valve.
4.
Reconnect the hydraulic hoses as per removal tags.
FIGURE 7-15
Anchor Bolts for
Jack Cylinder
Top of Outrigger
Beam
Access
Hole
Check
Valve
Wiper Ring
Jack
Cylinder
REFERENCE ONLY
Содержание 600H
Страница 1: ...Service Manual National Crane 600H R E F E R E N C E O N L Y...
Страница 6: ...THIS PAGE BLANK R E F E R E N C E O N L Y...
Страница 38: ...INTRODUCTION 600H SERVICE MANUAL 1 26 08 19 2022 Control 092 13 THIS PAGE BLANK R E F E R E N C E O N L Y...
Страница 54: ...HYDRAULIC SYSTEM SERVICE MANUAL 600H 2 16 08 19 2022 Control 092 13 THIS PAGE BLANK R E F E R E N C E O N L Y...
Страница 136: ...BOOM 600H SERVICE MANUAL 4 62 08 19 2022 Control 092 13 R E F E R E N C E O N L Y...
Страница 138: ...HOIST 600H SERVICE MANUAL 5 2 08 19 2022 Control 092 13 THIS PAGE BLANK R E F E R E N C E O N L Y...
Страница 168: ...OUTRIGGERS 600H SERVICE MANUAL 7 18 08 19 2022 Control 092 13 THIS PAGE BLANK R E F E R E N C E O N L Y...
Страница 182: ...LUBRICATION 600H SERVICE MANUAL 8 14 08 19 2022 Control 092 13 THIS PAGE BLANK R E F E R E N C E O N L Y...
Страница 226: ...CRANE INSTALLATION 600H SERVICE 9 44 08 19 2022 Control 092 13 THIS PAGE BLANK R E F E R E N C E O N L Y...
Страница 228: ...SCHEMATICS 600H SERVICE MANUAL 10 2 08 19 2022 Control 092 13 THIS PAGE BLANK R E F E R E N C E O N L Y...
Страница 231: ...R E F E R E N C E O N L Y...
Страница 232: ...R E F E R E N C E O N L Y...