GE JBCG51M Instructions Manual page 16

Thes e relays, when n o t i ncluded a s part o f a control pane
cartons des i gned to protect them ag ai nst damage .
relay, ex ami ne i t for any d amage s ust a i ned
result i n g f rom roug h handli n g i s ev i d ent, f i le a d amage cla i m at once wi th the
transportat i on company and promptly no t i fy the n e arest Gen er al Electr i c Apparatus
S ales Off i ce .
Reasonable c are should be exerc i sed i n unp ack i ng the relay i n order that none
of the parts are i nj ured or the adj us tments d i sturbed .
If the relays are not to be i n stalled i mmed i ately, they sho uld be stored i n
the i r o r i g i n al carto ns i n a place that i s free from mo i s ture, dust and metalli c
chi ps . Fore i gn matter collected on the out s i de of the c ase may f i nd i t s way i n s i de
when the cover i s remo ved, and c aus e trouble i n the oper at i on of the relay .
I mmed i ately upon rece i pt of the relay an i n spect i o n and acceptance test should
be made to ensure that no d amage has been s us t a i ned i n shi pment and that the relay
c ali brat i ons have not been d i s turbed .
readj ustment i s necess ary, refer to the sect i on on
Thes e tests may be performed as part of the i n st allat i on or accept ance tests at
the d i scret i on of the us er .
S i nce mo st operat i n g comp an i es us e d i fferent procedures for acceptance and
i ns t allat i on tests, the f ollowi n g sect i on i n cludes all appli c able tests that may be
performed o n these relays .
VISUAL I NSP ECTION
C heck the nameplate stamp i n g to ensure that the model number and rat i ng of the
relay agree wi th the requi s i t i on .
R emove the re
molded parts or other s i gn s of p hys i c al d amage and that all screws are t i g ht .
that the s hort i ng b ars are i n the proper lo cat i on ( s ) as s hown by the i nternal
connect i ons d i agrams , F i g .
formed to cont act the s hort i ng bar .
MECHANI CAL INSPECTION
The rot at i ng s haft end play s hould be
1.
2. The cont act gap s hould be
3. There should be no noti ceable fri ct i on i n the rot at i n g s tructure .
4 .
Wi th the relay well le veled and i n i t s upr i ght pos i t i on , the cont act should be
open and rest i ng agai nst the backstop .
R EC EI VIN G, HANDLIN G AND ST ORA G E
ACC E PTANC E T EST S
1
ay f rom i t s case and check that there are no broken or cracked
to i n clus i ve, and that the ma i n brush i s properly
5 7
0.075-0.080
G EK-49849
Immedi ately upo n rece i pt of a
i n trans i t .
I f the exami n at i on or the test i n d i c ates that
SERVICING.
i nch.
0.015-0.020
i nch.
16
1 1 1
w i b e shi p ped i n
If i nj ury or d amage
Check