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 TM 5-1940-277-20
TM 1940-20/2
When disconnecting navigation light plug do not pull directly on wire. Damage
may occur to wire.
Disconnect navigation light plug (1) from receptacle (2) on starboard side by grasping plug and pulling. Install protec-
1.
tive caps over plug (1) and receptacle (2) and tie mast harness lead to mast.
Depress releases of two retaining pins (3) in forward legs (6) of mast (4) and remove pins.
2.
Lower mast (4) toward rear until upper portion of the mast (near towing lights) meets capstan.
3.
4.
On MK1, using two wrenches remove nut (5), washer (9) and bolt (7) from aft mast legs (8). On MK2, depress the
two retaining pins (3) to release the aft mast legs (8).
Remove mast (4) from boat.
5.
INSTALL:
1.
Position mast (4) on deck in lowered position making sure mast harness plug is on starboard side.
Aline holes in aft legs (8) of mast with the holes in aft mounting brackets.
2.
On MK1, install bolts (7), washers (9) and nuts (5) in aft legs (6). On MK2, press the two quick release retaining
3.
pins (3) into position through aft mast legs (8).
4.
Raise mast (4) to upright position and aline holes in forward legs (9) with holes in forward mounting brackets.
Install two retaining pins (3) in forward legs (9).
5.
Remove protective caps from plug (1) and receptacle (2).
6.
Connect navigation light plug (1) to receptacle (2).
7.
3-10
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