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 TM 55-1905-219-14-11
5-159. MACHINERY AND KEEL COOLERS- - MAINTENANCE INSTRUCTIQNS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REPAIR OR REPLACE (Cont)
Hull Coolers Legend (Cont)
Item Number
Description
19.
Support bolt gasket
20.
Support bolt sleeve
21 .
Support plate tube gasket
22.
Nipple nut
23.
Nipple washer
24.
Nipple gasket
25.
Nipple sleeve
26.
Nipple washer
27.
Nipple spacer
28.
Drain plug
29.
Hull water cooler
a.
Damaged Keel Cooler: In the event of accidental damage in use, it is recommended that the following materials
and steps be taken to make minor shipyard repairs.
(1) Brazing: Drain the keel cooler before brazing. Make certain that the joint or area to be brazed is thoroughly
cleaned, using a good degreasing solvent followed by wire brushing. The silver alloy used in the manufacture of keel
coolers is "Handy & Harman", 3/32" diameter Easy Flow No. 4 wire, having a melting point of 11600F. Use "Handy &
Harman" Flux, low temperature brazing type. Source of brazing wire and flux is HANDY & HARMAN, 850 third Avenue,
New York, New York 10022 U.S.A. who have many distributor outlets.
(2) In the event the tubes are accidentally bent and out of alignment, they can be straightened by using a hard, wood
block and mallet. Keel coolers are constructed of ductile material s not subject to fracture.
b. Temporary repair:
(1) For temporary repairs, an epoxy compound similar to Devcon UW for above and under water repairs or Red
Hand for above water repairs may be used when liberally applied.
5-1541
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