Ingersoll-Rand GAC180-300, Installation, Operation And Maintenance Manual

Page: 15 / 36

RT-SVX51B-EN 15
Unit Weights
Rigging
Refer to Figure 12 and Table 1 for typical unit operating
weights rigging before proceeding.
1. Remove the shipping crate from around the unit. Do
not remove the crating from the top of the unit.
2. Rig the unit as shown in Figure 12, p. 15 . Attach
adequate strength lifting slings to all four lifting
brackets in the unit base rail. Do not use cables, chains,
or slings except as shown.
3. Install a lifting bar, as shown in Figure 12 , to protect the
unit and to facilitate a uniform lift. The minimum
distance between the lifting hook and the top of the
unit should be 7 feet.
4. Test-lift the unit to ensure it is properly rigged and
balanced, make any necessary rigging adjustments.
5. Lift the unit and position it into place.
6. Downflow units; align the base rail of the unit with the
curb rail while lowering the unit onto the curb. Make
sure that the gasket on the curb is not damaged while
positioning the unit.
Table 1. Maximum unit & corner weights (lb) and center of gravity dimensions (in.)
Tons
Unit
Model No.
Weights (lb)
(a), (b)
Corner Weights
(c)
Center of Gravity (in.)
Shipping Net A B C D Length Width
15 GAC180A 2183 1864 626 439 371 427 54” 37”
17½ GAC210A 2238 1918 636 455 392 436 55” 38”
20 GAC240A 2327 2007 690 475 391 451 54” 37”
25 GAC300A 2327 2058 723 493 380 455 53” 35”
(a)Weights are approximate. Horizontal and downflow unit and corner weights may vary slightly.
(b)Weights do not include additional factory or field installed options/accessories.
(c) Corner weights are given for information only. 15–25 ton models must be supported continuously by a curb or equivalent frame support.
Figure 11. Corner weights
WARNING
Heavy Objects!
Ensure that all the lifting equipment used is properly
rated for the weight of the unit being lifted. Each of the
cables (chains or slings), hooks, and shackles used to
lift the unit must be capable of supporting the entire
weight of the unit. Lifting cables (chains or slings) may
not be of the same length. Adjust as necessary for even
unit lift. Other lifting arrangements could cause
equipment or property damage. Failure to follow
instructions above or properly lift unit could result in
unit dropping and possibly crushing operator/
technician which could result in death or serious injury.
WARNING
Improper Unit Lift!
Test lift unit approximately 24 inches to verify proper
center of gravity lift point. To avoid dropping of unit,
reposition lifting point if unit is not level. Failure to
properly lift unit could result in unit dropping and
possibly crushing operator/technician which could
result in death or serious injury and possible equipment
or property-only damage.
Figure 12. Rigging and center of gravity data