SECTION 1 - SAFETY PRECAUTIONS
3121664
– JLG Lift –
1-11
1.4
TOWING, LIFTING, AND HAULING
• Never allow personnel in platform while towing, lifting, or
hauling.
• This machine should not be towed, except in the event of
emergency, malfunction, power failure, or loading/unloading.
Refer to the Emergency Procedures section of this manual for
emergency towing procedures.
• Ensure boom is in the stowed position and the turntable
locked prior to towing, lifting or hauling. The platform must be
completely empty of tools.
• When lifting machine, lift only at designated areas of the
machine. Lift the unit with equipment of adequate capacity.
• Refer to the Machine Operation section of this manual for lift-
ing information.
1.5
MAINTENANCE
This sub-section contains general safety precautions which must
be observed during maintenance of this machine. Additional pre-
cautions to be observed during machine maintenance are
inserted at the appropriate points in this manual and in the Ser-
vice and Maintenance Manual. It is of utmost importance that
maintenance personnel pay strict attention to these precautions
to avoid possible injury to personnel or damage to the machine
or property. A maintenance program must be established by a
qualified person and must be followed to ensure that the
machine is safe.
Maintenance Hazards
• Shut off power to all controls and ensure that all moving parts
are secured from inadvertent motion prior to performing any
adjustments or repairs.
• Never work under an elevated platform until it has been fully
lowered to the full down position, if possible, or otherwise
supported and restrained from movement with appropriate
safety props, blocking, or overhead supports.
• DO NOT attempt to repair or tighten any hydraulic hoses or fit-
tings while the machine is powered on or when the hydraulic
system is under pressure.
• Always relieve hydraulic pressure from all hydraulic circuits
before loosening or removing hydraulic components.
Summary of Contents for JLG 520AJ
Page 2: ......
Page 26: ...SECTION 1 SAFETY PRECAUTIONS 1 14 JLG Lift 3121664 NOTES ...
Page 60: ...SECTION 3 MACHINE CONTROLS AND INDICATORS 3 22 JLG Lift 3121664 NOTES ...
Page 68: ...SECTION 4 MACHINE OPERATION 4 8 JLG Lift 3121664 Figure 4 3 Grade and Side Slopes ...
Page 75: ...SECTION 4 MACHINE OPERATION 3121664 JLG Lift 4 15 Figure 4 5 Lifting and Tie Down Chart ...
Page 76: ...SECTION 4 MACHINE OPERATION 4 16 JLG Lift 3121664 Figure 4 6 Decal Location Sheet 1 of 6 ...
Page 77: ...SECTION 4 MACHINE OPERATION 3121664 JLG Lift 4 17 Figure 4 7 Decal Location Sheet 2 of 6 ...
Page 78: ...SECTION 4 MACHINE OPERATION 4 18 JLG Lift 3121664 Figure 4 8 Decal Location Sheet 3 of 6 ...
Page 79: ...SECTION 4 MACHINE OPERATION 3121664 JLG Lift 4 19 Figure 4 9 Decal Location Sheet 4 of 6 ...
Page 80: ...SECTION 4 MACHINE OPERATION 4 20 JLG Lift 3121664 Figure 4 10 Decal Location Sheet 5 of 6 ...
Page 81: ...SECTION 4 MACHINE OPERATION 3121664 JLG Lift 4 21 Figure 4 11 Decal Location Sheet 6 of 6 ...
Page 88: ...SECTION 5 EMERGENCY PROCEDURES 5 4 JLG Lift 3121664 NOTES ...
Page 108: ...SECTION 6 GENERAL SPECIFICATIONS OPERATOR MAINTENANCE 6 20 JLG Lift 3121664 NOTES ...
Page 110: ......
Page 111: ......