MACHINERY HOUSE

STANDARD HAND SIGNALS FOR CONTROLLING CRANE OPERATIONS

These signals are derived from ANSI-B30.5-1868 and are intended to provide standardization to the signaling used in communication between maintenance personnel and crane operators during the maintenance cycle.

HOIST Extend forearm upward, keeping forefinger extended and pointing up, make small circular movements with hand.

LOWER Extended arm downward, keeping forefinger extended and pointed down, make small circular movements with hand.

MAIN HOIST Tap fist on head until signal received by operator, then use standard signals.

USE WHIP LINE (Auxiliary Hoist) Tap elbow with open hand until signal received by operator, then use standard signals.