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3.12 Preoperational Checks and Trial Operation
3.12.1 CAUTION! Check for the availability of required operating air pressure of between 60 PSI to 90
PSI at the hoist's inlet port before trying to operate the hoist.
3.12.2 WARNING! Verify that the load chain is not twisted or tangled and that the bottom hook is not
capsized prior to operating the hoist. Correct all chain irregularities before conducting the first hoist
operation. See Figures 3-6 and 3-7.
Figure 3-6 Twist in Load Chain
Figure 3-7 Capsized Hook and Chain