CHAPTER 2 OPERATING INSTRUCTIONS
Section I. Operation Under Usual Conditions
General. This section provides operating procedures for crew members utilizing the 20-ton double drum winch on
board the Water Purification Barges. Controls and instruments are described and illustrated, providing all information
necessary to operate the winch.
Crew members must be familiar with every procedure required to operate the double drum winch. Paragraphs 2-5
through 2-7 contain instructions for starting, stopping, and operating the double drum winch and coordinating basic
motions required to perform specific tasks using the winch. The operator may have to vary certain procedures to fit
For the safety of personnel, cargo, and equipment, operators using this equipment must be
thoroughly familiar with its operation before putting the winch into service.
While operating the winch, never allow attention to be diverted from the load or from other
personnel in the work area. Make sure all persons are clear of the load before operations begin.
Controls and Instruments
The engine instruments are illustrated in figure 2-1.
The winch controls are illustrated in figure 2-2.
Preparation for operation
Perform BEFORE Preventive Maintenance Checks and Services (TM 55-1930-209-14&P-19, Chapter 18).
Make a visual inspection of the equipment to make sure all components are secured in their proper position.
Starting the diesel engine
Disengage torque converter clutch.
Set automatic shutdown system in the OPEN position.
Set speed control lever at part throttle.
Make sure that stop lever on governor is in RUN position.
Press start button on the engine cow firmly and hold down.
To prevent damage to starting motor or flywheel, do not re-engage the starter with starter or
engine still turning.