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MAIN BOOM
TELESCOPE CYLINDER
UPRIGHT
MAIN BOOM
UPRIGHT LEVEL CYLINDER
LIFT CYLINDER
BARREL END PIN
MAIN LIFT CYLINDER
BARREL END PIN
NOTE: The Upright weighs approximately 1175 lbs. (535 kg).
5. Before extending the tower boom, support the tower
boom from the bottom.
6. Extend the Tower Boom to get access to the Upright
level cylinder rod end pin by using an external auxiliary
pump.
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SECTION 5 - BASIC HYDRAULIC INFORMATION AND SCHEMATICS
UPRIGHT LEVEL
CYLINDER
7. Tag, disconnect and cap the hydraulic lines of the
Upright level Cylinder barrel.
8. Attach a suitable lifting device to support the Upright
Level Cylinder.
9. Remove mounting hardware from the upright level cyl-
inder rod end and remove the pin.
10. Remove the Upright Level Cylinder from the Tower Fly
Boom. Place the upright level cylinder in a suitable work
area.
5-65
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Troubleshooting
