TM 1-1520-238-23
7-435
7.113.
HYDRAULIC TUBES AND FITTINGS PERMASWAGE REPAIR – continued
d. Set selector valve (20) on hydraulic power
supply (21) to EXHAUST to relieve all line
pressure.
e. Bleed air from swaging tool (19).
(1) Set tool at lower pressure than pressure sup-
ply (21).
(2) Cycle pressure supply three times from 2000
psi to EXHAUST.
f. See chart for correct upper yoke and lower die
retainer for size of fitting to be swaged.
g. Slide yoke (22) over fitting to be swaged, with
end stop (23) closest to end of fitting to be
swaged.
h. Insert die retainer (24) into yoke (22) so end
stop (25) of die retainer is on same side as end
stop (23) of yoke (22).
i. Install square portion of power unit (26) in
yoke (22). Snug up knurled nut (27) hand tight.
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M04-2844-16
M04-2844-17
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