Lifting Operations. Perform the following tasks.

TM 55-1915-200-10

2-5.31.3. Sequence of Lifting Operation.

c. Plug power cord (8) into davit boom socket (7)

and into shipboard 115 volt AC electrical outlet located

WARNING

in starboard stairwell leading to starboard aft mooring

station.

Never use davit and winch for any type of

human support or transportation.

d. Turn switch on electric remote control to the

OUT position to release tension on cable and lifting

Operator should never lift a load over

hook (17, FIGURE 2-200, Sheet 2 of 2).

assistants or other personnel. No one

should walk under a hoisted load. Severe

e. Remove lifting hook (17) from lifting hook

injury or death could result should winch or

keeper (16).

davit equipment fail.

Operator is

f. Remove boom support pin (10, Sheet 1 of 2)

responsible for ensuring load is safely

from boom support pin recess (4) by loosening

attached. Operator MUST NOT attempt to

thumbscrew (5) and turning boom support pin (10)

hoist loads until absolutely certain

clockwise to disengage retainer tab (11).

conditions of load and winch will allow safe

operation.

WARNING

CAUTION

Exercise care to prevent davit from swinging to

one side during lifting procedure.

Always stop winch before load reaches

davit boom. Never unwind all cable from

drum when paying out. Always leave at

g. Using three soldiers, manually raise davit boom

least five wraps of cable on drum.

to 45 degree angle, exposing hole (4) in boom support.

Always ensure that load has come to a

h. Secure davit in upright position by inserting and

complete stop and is stable prior to

locking boom support pin (10) into hole (9) in boom

changing direction of winch.

support.

Lock boom support pin by turning

counterclockwise to engage slot in retainer tab (11).

Turn thumbscrew (6) clockwise.

a. Lift load by turning control switch (12) to the IN

position. Winch will continue to hoist load as long as

2-5.31.2. Lifting Operations. Perform the following tasks.

operator holds switch to the IN position. Winch will stop

hoisting load when operator releases switch.

a. Attach hook to load.

b. Push boom around the swivel base until load is

b. Raise load enough to clear handrails.

over the unloading point.

c. Pivot boom to desired lift position.

c. Lower load by turning switch (12) to the OUT

position. Load will continue to lower until operator

2-531