Winpower Arc Welder User Manual

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W I N P O W E R C O R P O R A T I O N
175 AMP Dm Cm
PART I BELT AND PULLEY
P r e l i m i n a r y 'Check
1. Check f o r broken b e l t .
2.
check f o r . s l i p p i n g b e l t o r s l i p p i n g
p u l l e y .
I f t h e b e l t o r a 1 : c r n a t o r p u l l e y is s l i p p i n g , t h e
a r c w i l l s t a r t s t r o n g and d i e away a s t h e a l t e r -
n a t o r - s l o w s down. I t w i l l b e n o t i c e a b l e a t high
amp s e t t i n g s . The b e l t should b e t i g h t and have
v e r y l i t t l e "give" when checked by hand a f t e r r e -
moving t h e b e l t s c r e e n . (Fig. 1-1)
Caution
-
Replace s c r e e n b e f o r e s t a r t i n g t h e
w e l d e r engine.
Note
-
The b e l t w i l l burn (melt) and be r u i n e d
i f allowed t o s l i p f o r any l e n g t h of time.
Pulle-; Alignment and B e l t Tension
I f b e l t b r e a k s , t u r n s o v e r o r jumps o u t of t h e
grooves a f t e r a s h o r t p e r i o d of time, o r does n o t
l a s t when r e p l a c e d , THERE IS SO?!ETHING W R O N G WITH
EITHER THE ALIGWENT O R THE TENSION OF THE BELT.
I t w i l l do no good t o r e p l a c e t h e b e l t w i t h o u t
c o r r e c t i n g t h e problem.
SYMPTOMS PROBABLE CAUSE
7 - -
B e l t burns, m e l t s o r h a s
s m a l l c r a c k s on i n s i d e . B e l t too l o o s e .
B e l t b r e a k s w i t h c l e a n b r e a k . B e l t too t i g h t .
B e l t b r e a k s a l o n g one edge, B e l t n o t i n
jumps o u t o f ' g r o o v e o r t u r n s alignment o r too
o v e r i n groove. t i g h t .
Burr on P u l l e y
CORRECT BELT ALIGNMENT AND PROPER TENSION i s cru-
c i a l t o b e l t l i f e . E L A R E SURE BELT I S ALIGNED.
The b e l t should b e checked f o r t i g h t n e s s a f t e r a
few h o u r s of o p e r a t i o n of a new machine.
B e l t Adjustment
Remove b e l t s c r e e n (Fig. 1-1). CAUTION: Replace
s c r e e n b e f o r e s t a r t i n g t h e w e l d e r engine. Loosen
t h e n u t l o c a t e d between t h e b e l t and t h e b e l t
t e n s i o n h o l e (Fig. 1-2). I n s e r t a s c r e w d r i v e r
through t h e b e l t t e n s i o n h o l e and p r y up on t h e
s p a c e r behind t h e n u t p r e v i o u s l y loosened. While
m a i n t a i n i n g t e n s i o n t i g h t e n t h e n u t loosened above.
Check t h e p u l l e y a l i g n m e n t , making s u r e t h e t o p
and bcttom p u l l e y s a r e p a r a l l e l and s t r a i g h t .
Check t h e b e l t t e n s i o n . The b e l t should b e
t i g h t s o t h a t t h e r e is v e r y l i t t l e g i v e when
f l e x e d by hand.
F I G . I