TM 5-4220-225-14
2
Coat roughened end surfaces with rubber element.
(2)
Air hose coupling pull test.
(a)
The air supply whip should be tested at least once every three years from the date of manufacture.
(b)
Note the date of manufacture, if hose is more than 10 years old, remove the hose from service
immediately and replace it.
(c)
Inspect the hose for loose or stripped couplings, deterioration of hose, abrasions, soft spots, cuts or tears.
Replace hose if damaged.
CAUTION
Care must be taken not to damage the hose. Grip on the hose should be made about one foot back from
the couplings with a Kellems support grip.
(d)
Subject air supply whip to an internal hydrostatic pressure of 600 psig (4137 Kpa) and a concurrent axial
tensile load of 250 lbs (113.6 Kg).
(e)
If the air supply whip passes both the visual and hydrostatic test then return the air supply whip to service.
(f)
Replace any air supply whip which does not meet the test requirements.
(3)
Air supply whip/coupling pull test.
(a)
The air supply whip should be tested at least once every three years from the date of manufacture.
(b)
Note the date of manufacture, if hose is more than 10 years old, remove the hose from service
immediately and replace it.
(c)
Inspect the hose for loose or stripped couplings, deterioration of hose, abrasions, soft spots, cuts or tears.
Replace hose if damaged.
CAUTION
Care must be taken not to damage the hose. Grip on the hose should be made about one foot back from
the couplings with a Kellems support grip.
(d)
Subject air supply whip to an internal hydrostatic pressure of 600 psig (4137 Kpa) and a concurrent axial
tensile load of 250 lbs (113.6 Kg).
(e)
If the air supply whip passes both the visual and hydrostatic test then return the air supply whip to service.
(f)
Replace any air supply whip which does not meet the test requirements.
6-4
