SECTION 4 - MACHINE OPERATION
3121615
– JLG Lift –
4-13
4.8
RE-SYNCHRONIZE THE LOWER LIFT CYLINDER
Level Override Valve
A pull type control valve allows the operator to adjust the tower
lift cylinder and the upright cylinder if the upright cylinder is not
fully retracted when boom is in the stowed position. This valve is
located in the engine compartment area.
To Operate:
1.
Pull the red knob
2.
Using the ground control raise the lower boom 6 feet.
3.
Release the knob.
4.
Fully lower the boom.
5.
Repeat if necessary.
Summary of Contents for 600A
Page 2: ...NOTE This manual also applies to a machine with the following Serial Number 0300176207 ...
Page 28: ...SECTION 1 SAFETY PRECAUTIONS 1 14 JLG Lift 3121615 NOTES ...
Page 66: ...SECTION 3 MACHINE CONTROLS AND INDICATORS 3 22 JLG Lift 3121615 NOTES ...
Page 73: ...SECTION 4 MACHINE OPERATION 3121615 JLG Lift 4 7 Figure 4 3 Grade and Sideslope ...
Page 90: ...SECTION 4 MACHINE OPERATION 4 24 JLG Lift 3121615 Figure 4 9 Lifting Chart ...
Page 138: ...SECTION 6 GENERAL SPECIFICATIONS OPERATOR MAINTENANCE 6 34 JLG Lift 3121615 NOTES ...
Page 141: ......