Harrington Hoists and Cranes TCR Large Cap - (10-25 Ton) - Manual (Page 16)

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3.10 Non-Stationary Application
3.10.1 For applications such as rental fleets or construction sites where the hoist is moved from place-to-
place, a filter and lubricator are still required. Consult factory for recommended methods.
3.10.2 Connections and fittings must be kept clean and care taken to prevent dirt, debris and moisture from
entering the hoist.
3.10.3 Recommended practice for removing the hoist from an installation:
„ Run the hoist briefly with well lubricated air
„ Disconnect the air supply line
„ Inject a small quantity (approximately 20 drops) of oil into the hoist’s inlet port
„ Plug the inlet port
3.11 Preoperational Checks and Trial Operation
3.11.1
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.
3.11.2
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 3-5 and 3-6 .
Figure 3-5 Twist in Load Chain