Unitek UNIBOND 2, User Manual

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8.10. C H E C K I N G RESISTANCE OF THE WELD HEAD
8.10.01. T h e r e s i s t a n c e o f t h e Weld Head can be measured. C o n n e c t i n g t h e Weld Head
to t h e Unibond i n t h e u s u a l manner, s h o r t t h e Head b y i n s e r t i n g a s i n g l e RWMA-2
Electrode i n t o t h e Electrode Holders i n a manner which a l l o w s i t t o be f i r m l y clamped
by both Holders.
8.10.02. S w i t c h t h e power OFF. Remove t h e Sensor Leads from t h e F l e x u r e s and connect
them t o t h e Output Terminals on t h e Transformer a s i l l u s t r a t e d i n F i g u r e 3 1 . B E SURE
THAT THE POLARITY OF THE SENSOR LEADS I S NOT REVERSED.
8.10.03. D o n o t a c t u a t e t h e Footpedal. P r e s s t h e Push- t o -Read Button, t h e M e t e r w i l l
display t h e r e s i s t a n c e o f t h e Weld Head. B a d connections can be found b y moving t h e
c l i p leads toward t h e Electrodes, one connection a t a t i m e .
METER
BLACK
RED
`1>C14Lti
WELD
HEAD
UNIBOND I I
TRANSFORMER
Figure 31 - S e t up necessary t o measure t h e r e s i s t a n c e o f t h e Welding Head.
9.00. R E P A I R SERVICE
9.01. P H O N E CALLS - Ask f o r t h e FIELD SERVICE DEPARTMENT. PLEASE KNOW your model
number and t h e s e r i a l number when c a l l i n g . Y o u w i l l
f i n d a nameplate w i t h t h e model
number and s e r i a l number t y p e d on i t . l o c a t e d on t h e r e a r o f t h e power s u p p l y.
9 . 0 2 . R E P A I R S - ALL i t e m s shipped t o U n i t e k f o r r e p a i r must b e PREPAID b y t h e
SHIPPER. F o r FASTER SERVICE. p l e a s e i n c l u d e o n your packing s l i p a purchase o r d e r
number covering r e p a i r s t o g e t h e r w i t h t h e "shipping" and " b i l l i n g " addresses.