TM 9-4910-623-14 & P
The tester is shipped without fluid in the reser-
Preparation for Use.
Prior to operation, the reservoir must be filled with calibration fluid
The following procedure is required whenever fluid is added to
To fill the reservoir, remove filler plug (1, fig 2) and fill with
approximately 1/2 gallon of fluid.
Once the reservoir is filled, replace filler plug loosely and remove
plastic cap from the discharge connection (2).
Open pump valve (3) two or three turns counterclockwise.
Operate pump handle until air is purged from the tester system.
is evident by fluid being omitted from the discharge connector.
Before transporting, close pump valve (3), gage valve (4),
and filler plug (1) to avoid leakage.
Operating Controls (Fig 2).
The pump valve (3) controls the fluid flow to devices
Turning the valve clockwise until it seats shuts the tester off,
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