Harrington Hoists and Cranes MCR Trolley - Manual (Page 23)

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Figure 3-11 Typical Air Supply Filter, Regulator and Lubricator.
3.10.2
NOTICE
Piping - Pipe should be sized to accommodate the trolley hoist airflow
requirements. Table 3-3 gives recommended pipe sizes.
Table 3-3 Air Supply Pipe and Hose Sizes
Model
Diameter of
Supply Pipe
Diameter of
Supply Hose
TCRM250P, 500P, 1000P, 1000P2, 2000P2
Inside diameter
0.75 inch or larger
Inside diameter
0.5 inch or larger
TCRM3000P, 6000P2
Inside diameter
1.0 inch or larger
Inside diameter
0.75 inch or larger
3.10.3
NOTICE
Hoses - The connection from the air supply system piping to the trolley hoist must
be made with a flexible pressure hose. Due to normal line losses in air supply lines:
Do not use hose smaller than specified in Table 3-3 , and
Limit the length of the hose to that specified in Figure 3-12 .
If your application exceeds these requirements consult factory.