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Page Title:
Chapter 2. OPERATING INSTRUCTIONS |
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 TM 55-4940-353-13&P
CHAPTER 2
OPERATING INSTRUCTIONS
SECTION I. PREPARATION FOR TEST
2-1.
Refer to Figure 2-1 and proceed as follows:
e. Select the proper adaptors (14 and 19) for the
hose to be tested and install them between the pressure
a. Check the oil level in the reservoir (5) by
manifold (18) and the oil return port on the oil control
observation through sight gage (20). If the level is not
valve (13). Table 2-1 shows the proper adaptors for use
observable, remove the top bf the fill-vent (4) and
with various hoses.
replenish with oil conforming to MIL-H-5605 or MIL-H-
82382. Then replace the top.
f. Make certain that oil control valve (13) is open
(turned fully counterclockwise).
b. Check oil level in the air lubricator (8). If less
than one-quarter full, fill with SAE-10 oil.
WARNING
c. Check air filter (2) for contamination. If
necessary
Because of the high pressures involved in
clear the filter through the bottom bleed valve.
testing, proper care must be taken to
prevent damage, or injury to the operator, in
d. Make certain that the air control valve (9) is
case of rupture.
closed (turned fully clockwise), the pressure regulator
(3) is set to zero (turned fully counterclockwise), and
g. Connect the hose to be tested to the adaptors
that sufficient shop air (50 scfm at 100 psi) is being
installed in step 5. TABLE 2-1. ADAPTOR CHART
supplied at the shop air connection (1).
TABLE 2-1. ADAPTOR CHART
FLARED FITTING
AVITECH ADAPTOR
QTY. REQ'D
ADAPTOR WORKING
HOSE NUMBER
PART NUMBER
FOR TEST
PRESSURE, MAXIMUM
MS28741-3
ASC321-107-1
2
9000 PSI
MS28741-4
ASC321-107-2
2
9000 PSI
MS28741-5
ASC321-107-3
2
8000 PSI
MS28741-6
ASC321-107-4
2
8000 PSI
MS28741-8
ASC321-107-5
2
8000 PSI
MS28741-10
ASC321-107-6
2
6000 PSI
2-1
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