TM 9-4910-623-14 & P
The tester is shipped without fluid in the reser-
Preparation for Use.
5.
Prior to operation, the reservoir must be filled with calibration fluid
voir.
6850-00-974-3738 or equivalent.
NOTE
The following procedure is required whenever fluid is added to
the tester.
To fill the reservoir, remove filler plug (1, fig 2) and fill with
a.
approximately 1/2 gallon of fluid.
Once the reservoir is filled, replace filler plug loosely and remove
b.
plastic cap from the discharge connection (2).
Open pump valve (3) two or three turns counterclockwise.
c.
This
Operate pump handle until air is purged from the tester system.
d.
is evident by fluid being omitted from the discharge connector.
Before transporting, close pump valve (3), gage valve (4),
6. Transporting.
and filler plug (1) to avoid leakage.
Operating Controls (Fig 2).
7.
The pump valve (3) controls the fluid flow to devices
Pump Valve.
a.
Turning the valve clockwise until it seats shuts the tester off,
under test.
Turning the valve
thus giving a leakage reaction of the device under test.
two or three turns counterclockwise allows fluid to be pumped to devices under
test.
