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TM 10-4210-235-13
4-17 FIRE HOSE REPLACEMENT AND REPAIR. - continued
(9)
Use installation tool (5) to remove coupling (10) from ferrule (9).
(10)
Remove hose (7) from ferrule (9) and remove ferrule from vice.
(11)
Repeat steps (7) through (10) for disassembly of second hose end.
(12)
Carefully slip retainer bands (11) and hose Jacket (12) off hoses (7).
c.
Repair
NOTE
The straight adapter and pipe coupling are supplied as complete assemblies
consisting of one each coupling and ferule.
Replace all damaged or defective parts.
d.
Assembly (See figure 4-12.)
(1)
If old hoses (7) are to be re-used, cut off any damaged portion of hose end.
NOTE
Be sure hoses are identical length after replacing a damaged fitting by removing and
reinstalling adjoining fitting as well. This will assure proper installation to hose reel or
nozzle. Hose end must be cut neat and square.
(2)
Cut ends of hoses (7) neat and square to equal lengths.
(3)
Carefully slip hose jacket (12) over hoses (7).
(4)
Allow approximately 20 inches (51 cm) of hose (7) to extend from end of hose jacket (12) and secure with
retainer bands (11).
WARNING
Operating without the internal grounding wire in contact with the hose fittings can
result m severe static shock.
(5)
Pull a 1/4 inch (0.64 centimeter) length of grounding wire from under hose (7) cover and fold back over
outside of hose.
(6)
Install ferrules (1) and (9) onto hose (7) ends turning counterclockwise until the hose bottoms against
ferrule end.
(7)
Lubricate the taper end of couplings (6) and (10) and insert into ferrules (1) and (9). Place ferrules in vise.
Using insertion tool (5), turn clockwise until coupling bottoms against ferrule.
(8)
Wrap antisieze tape around hose coupling (6) threads and install nipple (2) and coupler (3). Tighten as
required (9) Install pre-formed packing (4) into coupler (3).
4-34
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