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|  MIL-H-904J
3.8 Type II hook suspension, lever operated, fixed and convertible capacity. Type H shall be
hook suspended, lever operated, and shall contain a mechanism for hoisting and lowering which
is either a pawl, ratchet and lever, or a spur geared arrangement (friction brake) constructed for
safe operation of the hoist. The hoist shall feature a brake device that shall support the maximum
loads specified. There shall be no limitation on position of the hoist when in use.
3.8.1 Fixed. Fixed rated load hoists shall conform to the requirements shown in table VI and
as specified herein.
3.8.2 Convertible. Convertible capacity hoists shall conform to the requirements shown in
table VII and as specified herein.
3.8.2.1 Increasing rated load. Means for increasing the rated load of type H convertible
shall be accomplished by increasing the number of purchase parts of the load chain. The conversion
shall be readily accomplished without using tools. It shall not be necessary to unreeve the load
chain to convert from one rated load to another.
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