TM 3-6665-209-35
1
Screw
11
Screw
20
Lockwasher
2
Clip
12
Screw
21
Nut
3
Manometer scale
13
Clip
22
Rubber tubing
4
Manometer mounting plate
14
Lockwasher
23
Water manometer
5
Panel cover
15
Nut
24
Screw
6
Vacuum diagram
16
Sized pyrex orifice
25
Nut
7
Screw
17
Screw
26
Lockwasher
8
Cover handle
18
Retaining strap
27
Cover retaining spring
9
Lockwasher
19
Clip
28
Screw
10
Nut
Figure 9-Continued.
it in the panel cover. Thread the other end
of the rubber tubing (22) through the four
front panel of the indicator in a manner
retaining straps (18).
similar to that shown in figure 1 and press
it into place.
Section IV. TEST PROBE ASSEMBLY
18. Description
19. Maintenance
The test probe assembly (fig. 10) is a metal pistol
a. Disassembly.
shaped accessory adapted to serve as a means of
(1) Remove the two hose clamps (18, fig. 10)
testing outlet valves which have been installed into
which secure the insulation sleeving (14)
facepieces. A rubber tube (17), 36 inches long, extends
and the rubber tube (17) in the insulation
from the test probe handle (22) to the screw assembly
sleeving (20).
(I5) which fits into the rubber tube. A mask testing
(2) Pull the screw assembly (15) and the
bracket (16), threaded onto the screw assembly, enables
mask testing bracket (16) as a unit from
an airtight connection to be made when the bracket and
the rubber tube (17). Unscrew the screw
screw assembly are attached to the VALVE fixture on
assembly from the mask testing bracket.
the indicator front panel. Electrical wires (19) housed in
(3) Pull the other end of the rubber tube (17)
insulation sleeving (14), 42 inches long, extends from
from the adapter (21).
the trigger switch (2) and terminates at the electrical plug
(4) Loosen the cable clamp on the plug
connector (13). This plug connector attaches to the
connector (13) and pull back the insulation
TEST PROBE receptacle connector J1 on the indicator
sleeving (14). Unsolder the two electrical
front panel. The test probe barrel (3) is equipped with a
wires (19) from the terminals on the plug
test valve adapter (4) that is held in place by a mask tip
connector (13) and remove the plug
screw (5) to assure an airtight fit in the outlet valve being
connector.
tested. With the test probe assembly connected to the
(5) Pull the insulation sleeving (20) from the
indicator as described above, a test cycle is initiated by
insulation sleeving (14) and the rubber
squeezing the test probe trigger (10) which closes the
tube (17). Only the insulation sleeving
contacts of the sensitive switch (2). The valve test
(14) remains connected to the test probe
switch S3 (59, fig. 4) is bypassed enabling the test of the
assembly.
outlet valve to be conducted without depressing the
(6) Remove four screws (12) which secure
VALVE fixture.
the switch cover (11) to the test probe
handle (22) and remove the switch cover.
(7) which hold the trigger
AGO 8069A
19