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Oct 07, 2009 · 1. Hoist. With forearm vertical, forefinger pointing up, move hand in small horizontal circles. 2. Lower. With arm extended downward, forefinger pointing down, move hand in small horizontal circles. 3. Use Main Hoist. Tap fist on […]
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Oct 07, 2009 · 1. Hoist. With forearm vertical, forefinger pointing up, move hand in small horizontal circles. 2. Lower. With arm extended downward, forefinger pointing down, move hand in small horizontal circles. 3. Use Main Hoist. Tap fist on head; then use regular signals. 4. Use Whipline (Auxilary Hoist) Tap elbow with one hand; then use regular signals. 5. Raise Boom
Materials Handling – Crane and Hoist Hand Signals : OSH Answers
Use Main Hoist: Tap fists on head; then use regular signals.
Use Main Hoist —Tap fist on head, then use regular signals. Use Whip Line — (Auxiliary Hoist) Tap one elbow with one hand, then use regular signals. Raise Boom —Arm extended, fingers closed, thumb pointing upward. Lower Boom —Arm extended, fingers closed, thumb pointing downward.
Hoisting the main is a fairly easy task but there are certainly right and wrong ways to be doing it. We hope you are following along with our "Sailing Basics
Sep 27, 2014 · Introduction: Hoists are an excellent accessory when used properly. If misused, they can be extremely dangerous. Main points: 1. The erection, alteration and dismantling of hoists should be carried out only by suitably trained and qualified personnel. 2. Hoists must be clearly marked denoting whether they are for personnel or materials use,
High performance steel wire ropes used as main hoist ropes may be either rotation resistant ropes (e.g. EVOLUTION TK16, EVOLUTION TK18, EVOLUTION TK17, EVOLUTION TK 27) or non-rotation resistant ropes, which are mainly used in the field of harbor and industry applications (e.g. EVOLUTION Q8, EVOLUTION QS816V, EVOLUTION Q810V and EVOLUTION Q9XT PLUS), whereas only rotation resistant steel wire ropes are used as auxiliary hoist ropes. The main criterion for choosing a certain hoist rope is an
Raise and Hoist the Mainsail with Ease
Jul 23, 2018 · On a small sailboat on a dock or mooring, the mainsail is typically raised before the boat is underway, following these steps: Attach the shackle to the clew in the head of the mainsail. Use pliers or a shackle knife to ensure it is tight, or vibration could release the shackle while sailing.
Apr 16, 2019 · First, this. There are three main types of engine hoists. These hoists can be used for other heavy lifting applications besides engine removal. Types Of Engine Hoists. The most common type, the hydraulic engine hoist, is mobile (it rolls on casters) and can be used indoors or outdoors, as long as there is a flat, hard surface.
Main article: Hoist (mining) A mining hoist (also known simply as a hoist or winder) is used in underground mining to raise and lower conveyances within the mine shaft. It is similar to an elevator, used for raising humans, equipment, and assorted loads.
Nov 27, 2017 · By use of manual or electric operation, hoists can move heavy loads vertically using a drum or lift-wheel. Of these hoists, there are two main electric types that industry professionals rely on – chain or wire rope hoists.
Use Main Hoist. Use Whip Line (Auxiliary Hoist): Tap elbows with one hand; then use regular signals. Use Whip Line . Raise Boom: Arm extended, fingers closed, thumb
Raise and Hoist the Mainsail with Ease
Jul 23, 2018 · The mainsail is raised up the mast by the main halyard, a rope or wireline that rises from deck level to the masthead, through a block, and down to a shackle that connects to the top corner of the mainsail, the head. The halyard may also rise up through the mast to reduce windage aloft, as in the boat shown in this photo, and exit at a point
Jul 31, 2018 · Engine Hoist. Most DIY engine hoists, also known as a “cherry picker” are of the fold-up variety. This means that the long legs in front of the main structure fold up for storage. When in use, the front legs support the bulk of the weight.
Waals, Olaf. "On the Use of Main Hoist Tension Measurement for Feed Forward in DP Systems During Offshore Installations." Proceedings of the ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 1. Shanghai, China.
Main Hoist – The hoist mechanism provided for lifting the maximum rated load. Main Switch – A switch controlling the entire power supply to the crane. Man Trolley – A trolley having an operator’s cab attached thereto. Mast – The vertical steel component of a jib crane which supports the crane. Free Standing jib cranes (including Work Station
Jan 23, 2009 · Inspect them for wear and tear, and the attachments. Check any maintenance stickers or labels on the slings – these should also be checked every six months. Do not use slings that are incompatible with the hoist. Check the hoist’s weight limit. This will be indicated on the hoist, usually on the main boom. Ensure the hoist is suitable