WARNING AND OPERATING INSTRUCTIONS
FOR LIFTING CAPACITIES
GENERAL
1. RATED LIFTING CAPACITIES apply only to the machine as
9. When boom length is between values listed, refer to the
originally manufactured and normally equipped by TADANO
rated lifting capacities of the next longer and next shorter
LTD. Modifications to the machine or use of optional
booms for the same radius. The lesser of the two rated lifting
equipment other than that specified can result in a reduction
capacities shall be used.
of capacity.
10. When making lifts at a load radius not shown, use the next
2. Hydraulic cranes can be hazardous if improperly
longer radius to determine allowable capacity.
operated or maintained. Operation and maintenance of this
11. Load per line should not exceed 12,300 lbs. (5,600kg) for
machine must be in compliance with information in the
main hoist and auxiliary hoist.
Operation and Maintenance Manual
supplied with
12. Check the actual number of parts of line with LOAD MOMENT
the crane. If this manual is missing, order a replacement
INDICATOR (AML-C) before operation. Maximum lifting
through the distributor.
capacity is restricted by the number of parts of line of LOAD
3. The operator and other personnel associated with this
MOMENT INDICATOR (AML-C). Limited capacity is as
machine shall fully acquaint themselves with the latest
determined from the formula, Single line pull for main hoist
American National Standards Institute (ANSI) safety
12,300 lbs. (5,600kg) x number of parts of line.
standards for cranes.
13. The boom angle before loading should be greater to account
for deflection. For rated lifting capacities, the loaded boom
SET UP
angle and the load radius is for reference only.
1. Rated lifting capacities on the load chart are the maximum
14. The 35.1' (10.7m) boom length capacities are based on boom
allowable crane capacities. They are based on the machine
fully retracted. If not fully retracted [less than 48.2' (14.7m)
standing level on firm supporting surface under ideal job
boom length], use the rated lifting capacities for the 48.2' (14.7m)
conditions. Depending on the nature of the supporting
boom length.
surface, it may be necessary to have structural supports
15. Extension or retraction of the boom with loads may be
under the outrigger floats or tires to spread the loads to a
attempted within the limits of the RATED LIFTING CAPACITIES.
larger surface.
The ability to telescope loads is limited by hydraulic pressure,
2. For outrigger operation, outriggers shall be properly extended
boom angle, boom length, crane maintenance, etc.
with tires free of supporting surface before operating crane.
16. For lifting capacity of single top, reduce the rated lifting
capacities of relevant boom according to a weight reductions
OPERATION
for auxiliary load handling equipment. Capacities of single top
1. Rated lifting capacities have been tested to and meet
shall not exceed 12,300 lbs. (5,600kg) including main hook.
minimum requirements of SAE J1063-Cantilevered Boom
17. When base jib or top jib or both jib removing, jib state switch
Crane Structures Method of Test.
select removed.
2. Rated lifting capacities do not exceed 85 % of the tipping
18. When erecting and stowing jib, be sure to retain it by hand or by
load on outriggers fully extended as determined by SAE
other means to prevent its free movement.
J765-Crane Stability Test Code.
19. Use "ANTI-TWO BLOCK" disable switch when erecting and
Rated lifting capacities for partially extended outriggers are
stowing jib and when stowing hook block. While the switch is
determined from the formula, Rated Lifting Capacities
pushed, the hoist does not stop, even when overwind condition
=(Tipping Load - 0.1 x Tip Reaction)/1.25.
occurs.
3. Rated lifting capacities above bold lines in the chart are
20. For boom length with 28.9' (8.8m) jib, rated lifting capacities are
based on crane strength and those below, on its stability.
determined by loaded boom angle only in the column headed
They are based on actual load radius increased by boom
"113.9' (34.7m) boom + 28.9' (8.8m) jib".
deflection.
For boom length with 50' (15.2 m) jib, rated lifting capacities
4. The weight of handling device such as hook blocks, slings,
are determined by loaded boom angle only in the column
etc., must be considered as part of the load and must be
headed "113.9' (34.7m) boom + 50' (15.2m) jib".
deducted from the lifting capacities.
For angles not shown, use the next lower loaded boom angle
5. Rated lifting capacities are based on freely suspended loads
to determine allowable capacity.
and make no allowance for such factors as the effect of wind,
21. When lifting a load by using jib (aux. hoist) and boom (main
sudden stopping of loads, supporting surface conditions,
hoist) simultaneously, do the following:
inflation of tires, operating speeds, side loads, etc. Side pull
Enter the operation status as jib operation, not as boom
on the boom or jib is extremely dangerous.
operation.
6. Rated lifting capacities do not account for wind on lifted load
Before starting operation, make sure that mass of load is
or boom. We recommend against working under the condition
within rated lifting capacity for jib.
that the load is out of control due to a strong wind.During
boom lift, consider that the rated lifting capacity is reduced by
DEFINITIONS
50% when the wind speed is 20mph(9m/s) to 27mph(12m/s);
1. Load Radius: Horizontal distance from a projection of the axis
reduced by 70% when the wind speed is 27mph(12m/s) to
of rotation to supporting surface before loading to the center of
31mph(14m/s).If the wind speed is 31mph(14m/s) or over,
the vertical hoist line or tackle with load applied.
stop operation. During jib lift, stop operation if the wind speed
2. Loaded Boom Angle: The angle between the boom base
is 20mph(9m/s).
section and the horizontal, after lifting the rated lifting capacity
7. Rated lifting capacities at load radius shall not be exceeded.
at the load radius.
Do not tip the crane to determine allowable loads.
3. Working Area: Area measured in a circular arc about the
8. Do not operate at boom lengths, radii, or boom angle, where
centerline of rotation.
no capacities are shown. Crane may overturn without any
4. Freely Suspended Load: Load hanging free with no direct
load on the hook.
external force applied except by the hoist line.
5. Side Load: Horizontal side force applied to the lifted load either
on the ground or in the air.
10
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