CM-ET Series 622 - Manual (Page 5)

OPERATING INSTRUCTIONS
4
This manual contains important information to help you properly install, operate and
maintain your Series 622 Hoist for maximum performance, economy and safety.
Please study its contents thoroughly before putting your hoist into operation. By
practicing correct operating procedures and by carrying out the recommended pre-
ventive maintenance suggestions, you will be assured of long, dependable and safe
service.
After you have completely familiarized yourself with the contents of this manual, we
recommend that you carefully file it for future reference.
The information herein is directed to the proper use, care and maintenance of the
Series 622 Hoist and does not comprise a handbook on the broad subject of rigging.
Rigging can be defined as the process of lifting and moving heavy loads using hoists
and other mechanical equipment. Skill acquired through specialized experience and
study is essential to safe rigging operations. For rigging information, we recommend
consulting a standard textbook on the subject.
CM REPAIR/REPLACEMENT POLICY
All Columbus McKinnon (CM) Series 622 Hoists are inspected and performance test-
ed prior to shipment. If any properly maintained hoist develops a performance prob-
lem, within one year of shipment, due to a material or workmanship defect, as verified
by CM, repair or replacement of the unit will be made to the original purchaser with-
out charge. This repair/replacement policy applies only to Series 622 Hoists installed,
maintained and operated as outlined in this manual, and specifically excludes hoists
subject to normal wear, abuse, improper installation, improper or inadequate mainte-
nance, hostile environmental effects and unauthorized repairs/modifications.
We reserve the right to change materials or design if, in our opinion, such changes
will improve our product. Abuse, repair by an unauthorized person, or use of non-CM
replacement parts voids the guarantee and could lead to dangerous operation. For
full Terms of Sale, see Sales Order Acknowledg-ment. Also, refer to the back cover
for Limitations of Warranties, Remedies and Damages, and Indemnification and Safe
Operation.
UNPACKING
After opening the carton, the hoist should be carefully inspected for damage which
may have occurred during shipment or handling. Check the hoist frame for dents or
cracks and inspect the load chain for nicks and gouges. If shipping damage has
occurred, refer to the packing list envelope on the carton for claim procedure.
WARNING
Operating a unit with obvious external damage may cause load to drop and
that may result in personal injury and/or property damage.
TO AVOID INJURY:
Carefully check unit for external damage prior to installation.
!
SAFETY PROCEDURES
1. The hoist must always be rigged to lift in a straight line from hook to hook. The
hoist must always be free to swivel on the upper hook. Under no condition
should the hoist frame be allowed to bear on any support when in use as this
would cause bending of the hook or frame and damage the unit.
2. When preparing to lift or move a load, be sure that the attachments to both
hooks are firmly seated in the saddles of the hooks. Avoid off center loading of
any kind especially loading on the tip of the hook. Also observe that the chain
hangs straight (without twist) from hoist to lower hook.
3. When lifting, raise the load only enough to clear the floor or support, and check
to be sure brake will hold load and that attachments to the load are firmly
seated. Continue the lift only after you are assured the load is free of all
obstructions.
4. Do not load beyond the rated capacity of the hoist. Rated capacity can be
achieved with the following hand chain pulls:
Loose End
Pin Upper Hook
Hoist Frame
Load Chain
Hand Chain
Loose End
of Chain
Hook Latch
Lower Hook
To Raise Hook
Pull On This
Part of
Hand Chain To Lower
Hook
Pull On This
Part of
Hand Chain
After mounting and before placing in service, check the hoist for proper operation.
Before operating the 3, 5, and 10 ton units, make sure that all strands of chain are
straight and have no twists (due to capsized hook). If the chain is twisted, reverse
capsize. To operate the hoist, pull on the hand chain as indicated below.
WARNING
Exceeding the rated capacity of the hoist may cause load to fall.
TO AVOID INJURY:
Do not exceed the hand chain pulls specified in 4 above.
!
GENERAL INFORMATION
WARNING
!
Operating the 3, 5, and 10 ton hoists in the lifting direction with the hook block
in contact with the frame and/or hoist hanger may break the chain and allow
the load to drop.
TO AVOID INJURY:
Stop operating in the lifting direction when the hook block contacts the hoist
frame and/or hanger, as noted by sudden increase in hand chain pull or tipping
of the hook block.
Operate the hoist with no load and then a light load of approximately 50 pounds (23
Kg.) times the number of load supporting chains to make sure it operates properly
and the brake holds the load when the hand chain is released; then operate with a
rated load as shown on the capacity plate.
5. Do not wrap load chain around the load or bring the load in contact with the
hoist. Doing this will result in the loss of the swivel effect of the hook which
could mean twisted chain and a jammed liftwheel. The chain could be
damaged at the hook.
6. Stand clear of all loads and avoid moving a load over the heads of other
personnel. Warn personnel of your intention to move a load in their area.
7. Do not leave the load in the air unattended.
8. Do not lower the hook to a point where the chain becomes taut between the
liftwheel and loose end pin.
9. Do not run the lower hook block into the hoist frame. Frame and/or chain guide
damage may result.
10. The hoist has been designed for manual operation only.
Hoist
Rated Load
Tons(Kg.)
1⁄2 (500)
1 (1000)
2 (2000)
3 (3000)
5 (5000)
10 (10,000)
Hand Chain Pull
To Lift Rated Load
Pounds (Kg.)
53 (25)
77 (35)
82 (37)
65 (30)
105 (48)
109 (50)
Since these hand chain pulls can easily be applied by one person, under no circum-
stances should more than one person operate the hoist hand chain. Overloading
can cause immediate failure of some load carrying parts or result in damage caus-
ing future failure at less than rated capacity. When in doubt, use the next larger
capacity CM hoist.