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O O p p e e r r a a t t i i o o n n
WRONG
APPEARANCE OF TWISTED
CHAIN - ALTERNATING LINKS
DO NOT FORM A STRAIGHT
LINE
!
• DO NOT USE HOIST FOR HUMAN TRANSPORT.
• DO NOT LEAVE LOAD SUSPENDED FOR EXTENDED OR UNATTENDED PERIODS.
• INSURE LOAD CHAIN IS HANGING PROPERLY AND IS FREE OF TWISTS, LOOPS OR KINKS.
• MAXIMUM LOWERING SPEED WITH RATED CAPACITY LOAD IS VERY HIGH. ADJUST WITH
CARE. REFER TO
Safe and efficient operation of your ARO
maintenance procedures. Allow only competent and qualified people to operate hoist and subject each hoist to a
regular inspection and maintenance procedure. The qualified hoist operator must be carefully instructed in the safe
operation of the hoist, including a study of the manufacturer's literature, and must thoroughly understand proper
methods of hitching loads. The operator should have a good attitude regarding safety.
To aid in better understanding of proper and safe use of hoists: the publication "Overhead Hoists", ASME B30.16 -
2017, can be purchased from the American Society of Mechanical Engineers, Three Park Avenue, New York, NY
10016.
10
Figure 2. MHP3410
Figure 3. MHP4608
USE EXTREME CAUTION TO INSURE LOWER HOOK
ASSEMBLY HAS NOT BEEN FLIPPED THRU CHAIN
RESULTING IN TWISTING OF CHAIN
MHP3410, p. 10
®
hoist can be attained by observing proper operating, inspection and
DN
UP
REGULATOR VALVE
W W A A R R N N I I N N G G
RIGHT
APPEARANCE OF CHAIN THAT
HAS NOT BEEN TWISTED -
ALTERNATING LINKS FORM A
STRAIGHT LINE
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