Visual Inspection

Item

Maintenance procedures

See that the electron tube shields for V2 and V3 are firmly in

position and secure. See that the electron tube retainer for V1

is clamped tight.

Inspect fixed capacitors on the underside of the tube tester chassis

for leaks, bulges, and discoloration.

43. Visual Inspection

Before operating the equipment, inspect it. Inspection will save

repair time and may also avoid further damage. Inspect the fol-

lowing for obvious defects:

a. The seating of all tubes in their sockets.

b. W i r i n g c o n n e c t i o n s o n t h e t e r m i n a l b o a r d .

c. W i r i n g c o n n e c t i o n s t o t h e s w i t c h e s a n d m e t e r s o n t h e f r o n t

panel.

44. Equipment Performance Checklist

a. General. The equipment performance checklist provides a

procedure for systematically checking equipment performance.

All corrective measures that the second echelon repairman can

p e r f o r m are given in the C o r r e c t i v e m e a s u r e c o l u m n . W h e n u s i n g

the checklist, start at the beginning and follow each step in order.

If the corrective measures indicated do not fix the equipment,

t r o u b l e s h o o t i n g is required by higher echelon. Note on the repair

tag how the equipment performed and the corrective measures

that were taken.

b. Procedure. Place the tube tester in operation as shown in

the checklist in c b e l o w .