Section R. 408.11932 - Operating practicesRule 1932.
(1) An operator shall not leave a crawler, locomotive, or truck crane unattended until: (a) Any attached load, bucket, lifting magnet, or other device is landed.(b) The master clutch is disengaged.(c) The travel, swing and boom brakes and other locking devices are set.(d) The clutch controls are in the off or neutral position unless such action would create an unsafe condition.(e) The engine is stopped.(f) The crane is secured against accidental travel.(2) When assembling or disassembling a boom on the ground, it shall be blocked to prevent dropping the boom and boom sections.(3) When a boom section is manually telescoped it shall be positioned so that through and through pinning of the cylinder eye may be accomplished and shall be checked in a horizontal position.(4) When 2 or more cranes are used to lift a single load, 1 designated employee shall direct the rigging, lift and movement.(5) A locomotive crane shall not be rotated into a position where other railcars on an adjacent track might strike it, except where it has been ascertained that cars are not moving on the adjacent track and flag protection has been provided.(6) Specified tire pressures shall be maintained.Mich. Admin. Code R. 408.11932