JLG 660AJ Service Manual - Manual (Page 3)

INTRODUCTION
3121616 – JLG Lift – A-1
SECTION A. INTRODUCTION - MAINTENANCE SAFETY PRECAUTIONS
A GENERAL
This section contains general safety precautions which must
be observed during aerial platform maintenance. It is of
utmost importance that maintenance personnel pay strict
attention to these warnings and precautions to avoid possible
injury to themselves or others, or damage to the equipment. A
maintenance program must be followed to ensure the
machine is safe to operate.
MODIFICATION OR ALTERATION OF AN AERIAL WORK PLATFORM SHALL BE
MADE ONLY WITH WRITTEN PERMISSION FROM THE MANUFACTURER.
Specific precautions to be observed during maintenance are
inserted at the appropriate point in the manual. These precau-
tions are, for the most part, those that apply when servicing
hydraulic and larger machine component parts.
Your safety, and that of others, is the first consideration when
engaging in maintenance of equipment. Always be conscious
of weight. Never attempt to move heavy parts without the aid
of a mechanical device. Do not allow heavy objects to rest in
an unstable position. When raising a portion of the equip-
ment, ensure adequate support is provided.
SINCE THE MACHINE MANUFACTURER HAS NO DIRECT CONTROL OVER THE
FIELD INSPECTION AND MAINTENANCE, SAFETY IN THIS AREA RESPONSIBIL-
ITY OF THE OWNER/OPERATOR.
B HYDRAULIC SYSTEM SAFETY
It should be noted the machines hydraulic systems operate at
extremely high potentially dangerous pressures. Every effort
should be made to relieve any system pressure prior to discon-
necting or removing any portion of the system.
C MAINTENANCE
FAILURE TO COMPLY WITH SAFETY PRECAUTIONS LISTED IN THIS SECTION
COULD RESULT IN MACHINE DAMAGE, PERSONNEL INJURY OR DEATH AND IS A
SAFETY VIOLATION.
• ENSURE REPLACEMENT PARTS OR COMPONENTS ARE
IDENTICAL OR EQUIVALENT TO ORIGINAL PARTS OR
COMPONENTS.
• NO SMOKING IS MANDATORY. NEVER REFUEL DURING ELEC-
TRICAL STORMS. ENSURE THAT FUEL CAP IS CLOSED AND
SECURE AT ALL OTHER TIMES.
• REMOVE ALL RINGS, WATCHES AND JEWELRY WHEN PER-
FORMING ANY MAINTENANCE.
• DO NOT WEAR LONG HAIR UNRESTRAINED, OR LOOSE-FIT-
TING CLOTHING AND NECKTIES WHICH ARE APT TO BECOME
CAUGHT ON OR ENTANGLED IN EQUIPMENT.
• OBSERVE AND OBEY ALL WARNINGS AND CAUTIONS ON
MACHINE AND IN SERVICE MANUAL.
• KEEP OIL, GREASE, WATER, ETC. WIPED FROM STANDING
SURFACES AND HAND HOLDS.
• USE CAUTION WHEN CHECKING A HOT, PRESSURIZED COOL-
ANT SYSTEM.
• NEVER WORK UNDER AN ELEVATED BOOM UNTIL BOOM HAS
BEEN SAFELY RESTRAINED FROM ANY MOVEMENT BY
BLOCKING OR OVERHEAD SLING, OR BOOM SAFETY PROP
HAS BEEN ENGAGED.
• BEFORE MAKING ADJUSTMENTS, LUBRICATING OR PER-
FORMING ANY OTHER MAINTENANCE, SHUT OFF ALL
POWER CONTROLS.
• ALWAYS DISCONNECT BATTERY DURING REPLACEMENT OF
ELECTRICAL COMPONENTS.
• KEEP ALL SUPPORT EQUIPMENT AND ATTACHMENTS
STOWED IN THEIR PROPER PLACE.
• USE ONLY APPROVED, NONFLAMMABLE CLEANING SOL-
VENTS.