DEPOT INSPECTION STANDARDS
of Depot Inspection
The tests outlined in this chapter are de-
signed to measure the performance capability
of a repaired equipment. Equipment that is to
be returned to stock should meet the stand-
ards given in these tests.
a. Repair Standards. Applicable procedures
of the Anmy depots performing this test, and
Checks and Connections
its general standards for repaired electronic
Before setting the PP-3514/U power switch
equipment, form a part of the requirements
to ON, perform the following procedures.
for testing this equipment.
a. Power Cord Ground Check. Plug the PP-
b. Technical Publications. The following tech-
3514/U into the hi-pot test set. Check continu-
nical publications are applicable to this equip-
ity of the ground cord by attaching a ground
lead from the hi-pot test set to the chassis of
Equipment and subject
the PP-3514/U. The hi-pot CHASSIS GROUND
Operator and Organization
lamp must light.
b. Primary Circuit Check. Connect the ground
Power Supply PP-3514/U
clip of the hi-pot test set to the PP-3514/U
chassis ground. Set the hi-pot test set Poten-
c. Modification Work Orders. Perform all
tial to 1,500 AC. Press the hi-pot pushbutton
modification work orders (MWO) applicable to
switch for 5 seconds. The leakage current (dis-
this equipment before making the test speci-
regarding any dc charging surge must not
fied. DA Pam 310-4 lists all available MWO'S.
exceed 0.5 milliampere for 5 seconds.
c. Mechanical Zero Adjust. Rotate the ad-
Test Facilities Required
justing screw on the panel meter clockwise un-
The following items are required for depot
til the pointer moves upscale and then start
downscale toward 0. Continue the clockwise ro-
tation until the pointer is exactly on 0. If the
pointer passes 0, continue clockwise until it is
again approaching 0 from the upscale side.
resistance between ground and the positive
be greater than 500 megohms.
minals of the PP-3514/U. Turn the PP-3514/U
VOLTAGE ADJUST control fully clockwise
Set the SHORT CIRCUIT CURRENT MA
switch to 225 MA and the METER RANGE