Gomco 270, 2701 Operation, Maintenance And Service Manual
Below you will find brief information for Drainage Pump 270, 2701. These portable drainage pumps are designed for gentle suction in specialized medical applications like gastric lavage and abdominal decompression. The pumps offer two preset drainage levels and come with essential components such as collection containers, bacteria filters, and tubing. They feature compact cases with lighted switches and hospital-grade plugs.
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INDEX to GENERAL INFORMATiON 2.0 SPECIFICATIONS 3.0 SET-UP 4.0 OPERATING PROCEDURE 5.0 OPERATING PRINCIPLE 6.0 MAINTENANCE AND SERVICE 7.0 ILLUSTRATIONS 8.0 TROUBLESHOOTING 9.0 R E P L A C E M E N T P A R T S LIST 1.0 GENERAL INFORMATION: 1.1 Purpose: G o m c o M o d e l s 270 a n d 2701 a r e p o r t a b l e d r a i n a g e p u m p s d e s i g n e d t o a s s u r e g e n t l e s u c t i o n for s p e c i a l i z e d u s e s a s g a s t r i c lavage, a b d o m i n a l d e c o m p r e s s i o n , d o u d e n a l a n d fistula drainage following p r o s t a t e c t o m y . The suction s y s t e m includes two preset d r a i n a g e l e v e l s of 9 0 m m a n d 1 2 0 m m of m e r c u r y v a c u u m . 1.2 Features — Model 270: S u p p l i e d with m o d e l 270 as s t a n d a r d e q u i p m e n t are: 1. O n e (1) 1200 m l g l a s s c o l l e c t i o n c o n t a i n e r w i t h o v e r f l o w p r o t e c t i o n c a p 2. 3. 4. assembly. O n e (1) w i r e f o r m e d b o t t l e h o l d e r . B a c t e r i a f i l t e r to p r e v e n t f l u i d a n d a e r o s o l c o n t a m i n a t i o n . O n e d i s p o s a b l e t u b i n g p a c l t a g e c o n t a i n i n g 2-six f o o t i e n g t h s of c l e a r f l e x i b l e P V C tubing. 5. C o m p a c t c a s e with lighted s e l e c t o r s w i t c h , p u m p c y c l e light a n d hospital grade plug. 1.3 1.2.1 Overflow Protection: T h e 1200 ml c o i i e c t i o n b o t t l e a s s e m b l y s u p p l i e d w i t h t h i s p u m p i n c l u d e s a c a p a n d f l o a t a s s e m b l y ( S e e I l l u s t r a t i o n N o . 4). W h e n c o l l e c t e d p a t i e n t f l u i d s r e a c h a p r e d e t e r m i n e d l e v e l , t h e v a c u u m s u p p l y t o t h e c o l l e c t i o n b o t t l e i s s h u t o f f by t h e c a p a n d float. 1.2.2 Bacteria Fiiter: T h e h i g h e f f i c i e n c y b a c t e r i a f i l t e r is c u s t o m e n g i n e e r e d to p r e v e n t f l u i d a n d a e r o s o i c o n t a m i n a t i o n of p o r t a b l e s u c t i o n u n i t s . T h i s f i l t e r f e a t u r e s a h y d r o p h o b i c , m i c r o p o r o u s m e m b r a n e w h i c h filters air with m a x i m u m e f f i c i e n c y (0.3 m i c r o n p a r t i c l e s in air), w h i l e b l o c l ^ i n g t h e floW of a q u e o u s f l u i d s a n d a e r o s o i c o n t a m i n a n t s . The G o m c o high e f f i c i e n c y fiiter p r o t e c t s a g a i n s t s u c t i o n p u m p c o n t a m i n a t i o n in t h e c a s e of c a n i s t e r o v e r f l o w a s it h e l p s p r e v e n t t h e overflow from reaching the pump. Features — iViodel 2701: S u p p l i e d w i t h m o d e i 2701 a s s t a n d a r d e q u i p m e n t a r e : 1. O n e 1100 ml d i s p o s a b l e c o l l e c t i o n c o n t a i n e r w i t h o v e r f l o w p r o t e c t i o n c a p . 2. O n e wire formed container holder. 3. B a c t e r i a filter. 4. O n e d i s p o s a b l e t u b i n g paci<age c o n t a i n i n g 2-six f o o t l e n g t h s of c l e a r f l e x i b l e P V C tubing. 5. C o m p a c t c a s e w i t h l i g h t e d s e l e c t o r s w i t c h , p u m p c y c l e light a n d h o s p i t a ! g r a d e plug. 1.3.1 Overfiow protection: T h e 1100 ml d i s p o s a b l e c o l l e c t i o n c o n t a i n e r s u p p l i e d w i t h t h i s p u m p i n c l u d e s a m u l t i - s t a g e f i l t e r (1) h y d r o p h o b i c m e m b r a n e s t o p s f l o w of a q u e o u s s o l u t i o n s ( a c t s a s o v e r f l o w p r o t e c t i o n ) , (2) g i a s s p r e f i l t e r a l l o w s f i l t e r t o h a n d l e m o s t laser/electrocautery applications. 1.3.2 Bacteria Fiiter: T h e h i g h e f f i c i e n c y b a c t e r i a f i l t e r i s c u s t o m e n g i n e e r e d to p r e v e n t f l u i d a n d a e r o s o l c o n t a m i n a t i o n of p o r t a b l e s u c t i o n u n i t s . T h i s f i l t e r f e a t u r e s a h y d r o p h o b i c , m i c r o p o r o u s m e m b r a n e w h i c h f i l t e r s air w i t h m a x i m u m e f f i c i e n c y (0.3 m i c r o n p a r t i c l e s in air), w h i l e b l o c i ^ i n g t h e f l o w of a q u e o u s f l u j d s a n d a e r o s o l c o n t a m i n a n t s . T h e G o m c o high e f f i c i e n c y filter p r o t e c t s a g a i n s t s u c t i o n p u m p c o n t a m i n a t i o n in t h e c a s e of c a n i s t e r o v e r f l o w a s it h e l p s p r e v e n t t h e overfiov\( f r o m r e a c h i n g t h e p u m p . '"\ 2.0 SPECIFICATIONS: 2.1 Vacuum: * A t 9 0 m m s e t t i n g : 9 0 m m to 9 9 m m H g . at 1 2 0 m m s e t t i n g : 1 2 0 m m to 1 3 2 m m H g . 2.2 Flow Rate (Air): A t 9 0 m m s e t t i n g : .25 i i t e r s / m i n u t e A t 1 2 0 m m s e t t i n g : .30 l i t e r s / m i n u t e 2.3 Electrical Requirements: 115 v o l t s 5 0 / 6 0 H z . (1.5 a m p s max.) 2 3 0 v o l t s 5 0 / 6 0 H z . (1.3 a m p s max.) 2.4 Pump Cylinder: 155 t o 160 O H M S r e s i s t a n c e 2.5 Dimensions: C a s e O n l y - (D) 8 " x (w) 8 " x (H) 7 " O v e r a l l - ( D ) 8 " x (V\/) 1 1 " x (H) 7 " 2.6 Weight: Shipping -15 pounds N e t - 10 p o u n d s 2.7 Duty: Continuous * N O T E ; V a c u u m s h o u l d b e m e a s u r e d a f t e r t h e p u m p h a s b e e n r u n n i n g for 15 m i n u t e s t o n o r m a l i z e t h e pump cylinder temperature. 3.0 SET-UP: 3.1 Collection Bottle A s s e m b l y — G l a s s Bottle: ( S e e I l l u s t r a t i o n N o . 4) 1. C h e c k t h e b o t t i e t o p e d g e s f o r n i c k s . If t h e b o t t l e t o p is n i c k e d , it w i l l not s e a l . 2. C h e c k t h a t t h e c a p g a s k e t Is p r o p e r l y p o s i t i o n e d i n s i d e t h e c o v e r . 3. C h e c k that the float m o v e s freely. 4. 5. 6. 7. S c r e w the c o v e r a s s e m b l y s e c u r e l y o n t o the bottle, m a k i n g sure that the g a s k e t seals. P l a c e the bottle a s s e m b l y into the wire form bottle holder. C o n n e c t o n e l e n g t h of t u b i n g , e n c l o s e d in t h e t u b i n g p a c k a g e , to t h e b a c t e r i a f i l t e r a n d to t h e v e r t i c a l f i t t i n g o n t h e b o t t l e c a p a n d f l o a t a s s e m b i y m a r k e d " t o pump". C o n n e c t t h e o t h e r l e n g t h of t u b i n g t o t h e l o n g b e n t m e t a l t u b e of t h e c a p assembly. 3.2 Collection Bottle A s s e m b l y — D C U : 1. M a k e s u r e f i l t e r s h u t - o f f is in p l a c e in u n d e r s i d e of l i d . 2. P l a c e b o t t l e o n a flat s u r f a c e a n d l a y c a p a s s e m b l y o n b o t t l e . P u s h d o w n o n c a p 3. 4. 5. t o s n a p lid t o b o t t l e . P l a c e bottle into wire form bottle holder. C o n n e c t o n e l e n g t h o f t u b i n g . - e n c l o s e d in t h e t u b i n g p a c k a g e , t o t h e b a c t e r i a f i l t e r a n d to t h e v e r t i c a l f i t t i n g of t h e c a p m a r k e d v a c u u m . C o n n e c t ' t ' h e o t h e r l e n g t h of t u b i n g t o t h e e l b o w m a r k e d " p a t i e n t " . 4.0 OPERATING PROCEDURE: {See I l l u s t r a t i o n N o . 3) 1. 2. 3. 4. 5. 6. 7. 8. 5.0 T i i e s e l e c t o r s w i t c l i s t i o u i d b e in t h e c e n t e r " o f f " p o s i t i o n . P l u g t h e l i n e c o r d i n t o a g r o u n d e d e l e c t r i c a l o u t l e t , m a k i n g s u r e t h a t it is t h e s a m e v o l t a g e a s i n d i c a t e d o n t h e unit n a m e p l a t e . B e s u r e t h e c o l l e c t i o n b o t t l e is a s s e m b l e d p r o p e r l y , s e e 3,0, a n d t h a t t h e l e n g t h of t u b i n g f r o m t h e b o t t l e to t h e b a c t e r i a f i l t e r is dry. P u s h t h e s e l e c t o r s w i t c h o n t h e f r o n t c o n t r o l p a n e l t o t h e d e s i r e d v a c u u m r a n g e , up f o r 1 2 0 m m H g a n d d o w n for 9 0 m m H g . T h e red light w i t h i n t h e s w i t c h w i l l r e m a i n lit ind i c a t i n g t h e u n i t is o n . D u r i n g o p e r a t i o n , t h e a m b e r " p u m p c y c l e " l a m p w i l l b l i n k i n t e r m i t t e n t l y to i n d i c a t e t h e i n t e r m i t t e n t p u m p i n g a c t i o n . A f t e r f o u r o r f i v e m i n u t e s of o p e r a t i o n , t h e s e l e c t e d v a c u u m l e v e i w i l l be r e a c h e d . P r i o r t o u s i n g y o u r p u m p o n a p a t i e n t , i n s u r e t h e v a c u u m by s u b m e r g i n g t h e e n d of t h e p a t i e n t t u b e i n t o a c o n t a i n e r of w a t e r . A s p i r a t i o n of w a t e r i n t o t h e c o l l e c t i o n b o t t l e s h o u l d be n o t i c e d . T h e p u m p i s n o w r e a d y for u s e . D u r i n g p a t i e n t u s e , t h e l e v e l of t h e c o l l e c t e d c o n t e n t s w i t h i n t h e c o l l e c t i o n b o t t l e s h o u l d be f r e q u e n t l y c h e c k e d a n d e m p t i e d . OPERATING PRINCIPLE: T h e m i l d n e g a t i v e p r e s s u r e of t h i s u n i t is i n d u c e d by t h e e x p a n s i o n a n d c o n t r a c t i o n of air w i t h i n a n a i r t i g h t c y l i n d e r . T h e e x p a n s i o n a n d c o n t r a c t i o n of t h e a i r in t h e c y l i n d e r is c o n t r o l l e d b y p r e s s u r e a n d s u c t i o n v a l v e s a n d a s o l i d s t a t e t i m i n g d e v i c e to p r o d u c e a m i l d s u c t i o n . C o n t a i n e d within the air tight p u m p c y l i n d e r is a h e a t i n g e l e m e n t w o u n d with a r e s i s t a n c e w i r e . D u r i n g t h e " o n " t i m e 120 v o l t s is a p p l i e d to t h e h e a t i n g e l e m e n t for a p e r i o d of 2 t o 3.5 s e c o n d s , d e p e n d i n g u p o n t h e s e l e c t e d v a c u u m r a n g e , c o n t r o l l e d by t h e s o l i d s t a t e t i m e r . T h e r e s i s t a n c e w i r e h e a t s t h e a i r w i t h i n t h e c y l i n d e r a n d e x p a n d e d air is e x p e l l e d i n t o a t m o s p h e r e t h r o u g h t h e p r e s s u r e ( c h e c k ) v a l v e . T h e a m b e r p u m p c y c l e l a m p in t h e front c o n t r o l p a n e l ( S e e I l l u s t r a t i o n N o . 3) is lit d u r i n g t h i s t i m e . D u r i n g t h e " o f f " t i m e , v o l t a g e t o t h e h e a t i n g e l e m e n t is i n t e r r u p t e d b y t h e s o l i d s t a t e t i m e r f o r a p e r i o d of 19 to 22 s e c o n d s . T h e p r e s s u r e v a l v e c l o s e s d u r i n g t h i s p e r i o d a n d t h e r e m a i n i n g air. w i t h i n t h e c y l i n d e r c o o l s a n d c o n t r a c t s c a u s i n g a partial v a c u u m w h i c h o p e n s the s u c t i o n (check) valve. A i r from within the c o l l e c t i o n b o t t l e is d r a w n into t h e c y l i n d e r t o f i l l t h e v a c u u m . D u r i n g t h i s " o f f " t i m e , t h e a m b e r p u m p c y c l e l a m p in t h e front c o n t r o l p a n e l r e m a i n s off a n d t h i s is w h e n s u c t i o n a c t u a l l y o c c u r s . 6.0 IVIAINTENANCE AND SERVICE 6.1 Pump: T h e p u m p of t h i s unit h a s n o m o v i n g p a r t s a n d t h e r e f o r e r e q u i r e s n o m a i n t e n a n c e . In the event f l o o d i n g of the p u m p o c c u r s , t h e e l e m e n t in t h e p u m p c y l i n d e r a n d t h e v a l v e s will n e e d r e p l a c i n g . A t t e m p t i n g to c o n t i n u e to run a f l o o d e d p u m p m a y c a u s e d a m a g e to the control circuit. 6.2 Pump Cylinder Replacement: 1. D i s c o n n e c t t h e unit f r o m Its p o w e r s o u r c e . 2. R e m o v e the c a s e t o p c o v e r by r e m o v i n g t h e f o u r s e l f t a p p i n g s c r e w s . 3. D i s c o n n e c t the valve and m a n i f o l d a s s e m b l y from the cylinder tubing connector. 4. R e m o v e t h e p o w e r c o r d g r o u n d w i r e f r o m the c a s e g r o u n d s c r e w . 5. R e m o v e the cylinder ground wire from the ground s c r e w . 6. R e m o v e t h e t w o c y l i n d e r m o u n t i n g s c r e w s f r o m the b o t t o m s i d e of the c a s e . 7. U n s o l d e r t h e t w o c y l m d e r w i r e s at t h e c y l i n d e r c o v e r t e r m i n a l s anjd r e m o v e . 8. Install t h e n e w c y l i n d e r in r e v e r s e order. To Atmosphere Pressure (Check) Valve Air Tight Cylinder S u c t i o n (Check) Valve Bacteria SUCTION Filter SYSTEM Collection Bottle 6.2.1 Element Replacement ( S e e I l l u s t r a t i o n N o . 6) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 6.3 I n s t a l l c y l i n d e r a s d e s c r i b e d in p u m p c y l i n d e r r e p l a c e m e n t — 6 . 2 . Suction and Pressure Valves: T h e c h e c k v a l v e s u s e d in t h i s unit are f a c t o r y s e a l e d , t h e r e f o r e r e q u i r e n o m a i n t e n a n c e ( S e e I l l u s t r a t i o n N o . 8) 6.3.1 Suction and Pressure Valve Replacement: 1. 2. 3. 4. 5. 6. 7. 6.4 R e m o v e p u m p c y l i n d e r a s d e s c r i b e d In 6.2. R e m o v e t h e s i x s l o t t e d h e a d m a c h i n e s c r e w s f a s t e n i n g the c y l i n d e r c o v e r to the cylinder. T a p t h e e d g e of t h e p u m p c o v e r w i t h a p i a s t i c m a l l e t to b r e a k it free. Lift t h e c o v e r off w i t h h e a t i n g e l e m e n t a t t a c h e d . R e m o v e t h e t w o e i e m e n t l e a d s r u n n i n g thru the c o v e r t e r m i n a l s by u n s o l d e r i n g t h e m f r o m t h e t o p s i d e of t h e cover. Pry-up the t w o s m a l l t a b s s e c u r i n g the wire to the t e r m i n a l s . T h e c e n t e r t e r m i n a l h o l e s s h o u l d be c l e a r of s o l d e r . L o o s e n the h e x nut l o c k i n g t h e e l e m e n t rod to the c o v e r a n d u n s c r e w the e l e m e n t from the cover. S c r e w the n e w e l e m e n t into c o v e r c e n t e r h o l e a p p r o x i m a t e l y f l u s h w i t h t h e t o p s u r f a c e of t h e c o v e r . T i g h t e n t h e e l e m e n t l o c k nut a g a i n s t cover. P a s s the two element leads thru the cover terminals and wind e a c h lead around t h e s m a l l t e r m i n a l t a b s a n d b e n d b o t h t a b s d o w n to s e c u r e the w i r e s . S o l d e r the two leads and solder c l o s e d the center terminal holes. C h e c k r e s i s t a n c e to m a k e s u r e of p r o p e r c o n t a c t — 155 to 160 O H M S . P i a c e g a s k e t to t h e s e a l s u r f a c e of t h e c y l i n d e r . A p p l y a s m a l l d r o p of R T V s e a l a n t o n t o p s i d e of t h e c y l i n d e r c o v e r at t h e c e n t e r e l e m e n t r o d h o l e t o prevent any leaks. Insert the e l e m e n t into t h e c y l i n d e r a n d p l a c e t h e c o v e r o n t o t h e c y l i n d e r w h i l e aligning s c r e w holes. R e p l a c e the six cover mounting s c r e w s and tighten. Note — c a r e m u s t b e t a k e n w h e n h a n d l i n g t h e e l e m e n t a n d c o v e r a s s e m b l y t o prevent d a m a g e to the f r a g i l e e l e m e n t . D i s c o n n e c t t h e unit f r o m its p o w e r s o u r c e . R e m o v e t h e c a s e t o p c o v e r by r e m o v i n g the f o u r s e l f t a p p i n g s c r e w s . D i s c o n n e c t t h e w h i t e s i l i c o n e r u b b e r t u b i n g f r o m the p u m p c y l i n d e r t u b i n g connector. D i s c o n n e c t t h e r u b b e r t u b i n g f r o m the s u c t i o n v a l v e . U n s c r e w both valves from the valve m a n i f o l d . L i g h t l y l u b r i c a t e the t h r e a d s of t h e n e w v a l v e s w i t h p e t r o l e u m jelly or e q u i v a l e n t a n d s c r e w the v a l v e s into t h e m a n i f o l d . Note: C a r e m u s t be t a k e n w h e n r e p l a c i n g v a l v e s to prevent t h r e a d d a m a g e d u e to c r o s s t h r e a d i n g a n d o v e r t i g h t e n i n g . V a l v e s s h o u l d o n l y be i n s t a l l e d f i n g e r tight. Install t h e valve a n d m a n i f o l d a s s e m b l y in r e v e r s e order. Bacteria Filter: T h e b a c t e r i a filter s h o u l d b e r e p l a c e d a f t e r o n e m o n t h of p a t i e n t u s e or w h e n a r e d u c t i o n of t h e air f l o w rate is n o t i c e d . It m u s t be r e p l a c e d in the event f l u i d s h a v e e n t e r e d it, s u c h a s in c o l l e c t i o n bottle o v e r f l o w . 6.4.1 Bacteria Filler Repiacement: 1. U n s c r e w the filter from the v a c u u m a n d filter c o n n e c t i o n (See Illustration N o . 1 or N o . 2) by h a n d t u r n i n g in a c o u n t e r - c l o c i < w i s e d i r e c t i o n . 2. S c r e w a n e w filter into the v a c u u m a n d filter c o n n e c t i o n by t u r n i n g in a c l o c k w i s e d i r e c t i o n f i n g e r tight. Note: C a r e m u s t be t a k e n w h e n r e p l a c i n g the filter to prevent t h r e a d d a m a g e d u e to c r o s s t h r e a d i n g a n d o v e r t i g h t e n i n g . 6,5 Glass Collection Bottle and Cap Assembly Steriiization: 1. R e m o v e t h e c a p a s s e m b l y f r o m t h e bottle. 2. D i s p o s e of d r a i n a g e f l u i d s a n d m a t e r i a l s in t h e b o t t l e . 3. S o a k the bottle a n d c a p a s s e m b l y in a w a r m d e t e r g e n t s o l u t i o n . W a s h all the p a r t s w i t h a n y l o n bristle b r u s h , r i n s e t h o r o u g h l y w i t h w a t e r a n d a e r a t e . 4. A u t o c l a v e at 250° F for 15 m i n u t e s f o l l o w i n g the a u t o c l a v e m a n u f a c t u r e r ' s r e c o m mended procedure. C a u t i o n : D o not f l a s h a u t o c l a v e t h e g l a s s c o l l e c t i o n b o t t l e . If d e s i r e d , s t e r i l i z e w i t h e t h y l e n e o x i d e g a s . F o l l o w m a n u f a c t u r e r ' s d i r e c t i o n for r e c o m m e n d e d p r o c e d u r e . 6.6 Control Circuit: T h e p u m p c y c l e s are c o n t r o l l e d by a s o l i d s t a t e printed c i r c u i t b o a r d ( S e e I l l u s t r a t i o n N o . 7) S h t s . 1 thru 5 for s c h e m a t i c a n d p a r t s list) or T i m e r ( S e e Illustration N o , 7 A ) . T h e t i m i n g is f a c t o r y set a n d n e e d s n o a d j u s t m e n t . Control Circuit Description (PN-2311) Illustration No. 7 T h e S F 120A-774 is a n O n / O f f r e c y c l i n g t i m e r w h i c h p r o v i d e s a f i x e d " O f f " t i m e of 19 to 22 s e c o n d s a n d a s e l e c t a b l e " O n " t i m e of e i t h e r 3.4 to 3.75 s e c o n d s or 2.1 to 2.25 s e c o n d s . T h e 2.1 to 2.25 s e c o n d " O n " t i m e c a n b e s e l e c t e d by s h o r t i n g t e r m i n a l s 4 a n d 5 together. W h e n p o w e r is a p p l i e d , t h e " O n " t i m e o c c u r s first. A 9 V p o w e r s u p p l y is s u p p l i e d by D l , R l , C 6 , C 7 , 0 8 , a n d Z l . 0 7 a n d 0 8 are u s e d for high f r e q u e n c y n o i s e filtering. C 6 is t h e filter c a p a c i t o r for the Vz w a v e v o l t a g e s u p p l i e d t h r o u g h D 1 , a n d R l . Z l is t h e r e g u l a t i n g z e n e r d i o d e . T h e c i r c u i t t i m i n g is a c c o m p l i s h e d by u s i n g a M C 1 4 5 4 1 p r o g r a m m a b l e t i m e r , I C 1 . T h i s IC h a s a built in o s c i l l a t o r c h i p w h o s e t i m i n g c o m p o n e n t s a r e c o n n e c t e d b e t w e e n p i n s 1, 2, a n d 3. T h e pin 3 c o n n e c t i o n u s e d is d e t e r m i n e d by 102, a M C 4 0 1 6 b i l a t e r a l s w i t c h . T h e s e c t i o n s of t h i s s w i t c h that are t u r n e d o n , d e t e r m i n e t h e t i m i n g c o m p o n e n t s w h i c h are u s e d . D u r i n g t h e " O f f " t i m e interval, P 3 , R 7 , R l l , a n d 0 2 c o m p r i s e the t i m i n g c o m p o n e n t s . T h e s e are s e l e c t e d by a high s i g n a l o n pin 6 of 102. T h e l o n g e r " O n " t i m e t i m i n g c o m p o n e n t s are P 2 , R6, R 1 2 , a n d C 3 . T h e s e are s e l e c t e d by a h i g h s i g n a l o n pin 12 of 102, W h e n a s h o r t e r " O n " t i m e is d e s i r e d , P 2 , a n d R6 a r e p a r a l l e l by P1 a n d R 5 by a p p l y i n g a h i g h s i g n a l o n pin 13 of 102. S i n c e " O n " t i m e is relatively s h o r t , r e s i s t o r R 1 4 , a z e r o O H M r e s i s t o r , is c o n n e c t e d b e t w e e n p i n 5 of IC2 a n d c o m m o n d u r i n g t e s t . T h i s p r e v e n t s t h e t i m e r f r o m g o i n g i n t o t h e " O f f " t i m e until b o t h " O n " t i m e s have b e e n c a l i b r a t e d . T h i s r e s i s t o r is t h e n r e m o v e d . T h e o u t p u t of t h e t i m e r Is c o n n e c t e d t h r o u g h a full w a v e b r i d g e , B R 1 , a n d S C R . 0 1 . T h e g a t e d i v e t o t h e S C R is c o n t r o l l e d by R 2 . Q 2 , R 4 , a n d pin 8 of I C I . W h e n p i n 8 is low, trans i s t o r Q 2 is off. a n d g a t e current to Q l i s s u p p l i e d to 0 1 v i a R 2 . T h e t i m e r is t h e n In the " O n " s t a t e . W h e n pin 8 of 101 is h i g h , t r a n s i s t o r Q 2 Is " O n " , s h o r t i n g the g a t e c u r r e n t of Q l to c o m m o n . T h i s p r o v i d e s t h e " O f f " t i m e . IC1 is p r o g r a m m e d by t h e c o n n e c t i o n of p i n 12 a n d 13 e i t h e r a h i g h or l o w s t a t e . F o r t h i s c i r c u i t t h e IC is p r o g r a m m e d to d i v i d e t h e o s c i l l a t o r f r e q u e n c y by 1024. S i n c e t h e Q o u t p u t of 1C1 w i l l c h a n g e s t a t e in o n e h a l f of t h a t n u m b e r of c o u n t s , t h e n u m b e r of 512 is u s e d t o c a l c u l a t e t h e o s c i l l a t o r f r e q u e n c y . T h e r e f o r e , t h e o s c i l l a t o r f r e q u e n c y m e a s u r e d at pin 1 of ICI s h o u l d b e 24.98 H z for the " O f f " t i m e , 143.22 H z for t h e l o n g " O n " t i m e , a n d 227.56 H z for t h e s h o r t " O n " t i m e . 6.6.1 Control Circuit Specifications: 1. M o d e of o p e r a t i o n — c o n t i n u o u s O n - O f f r e c y c i i n g witti p o w e r a p p i i e d to the input t e r m i n a l s . T h e l o a d is e n e r g i z e d d u r i n g t h e " O n " t i m e p e r i o d (See Ill u s t r a t i o n N o . 7). 2. Input v o l t a g e — 120 V o l t s ± 1 5 % , 50/60 H z . 3. Time Delays — 4. L o a d 160 O H M S r e s i s t i v e . A T 1 2 0 M M S E T T I N G A T 90 M M S E T T I N G 6,6.2 ON TIME 3.4 to 3.75 s e c . 2.1 to 2.25 s e c . O F F TIME 19 to 22 s e c . 19 to 22 s e c . Control Circuit Replacement: 1. D i s c o n n e c t t h e unit f r o m its p o w e r s o u r c e . 2. R e m o v e t h e c a s e t o p c o v e r by r e m o v i n g the f o u r s e l f t a p p i n g s c r e w s . 3. D i s c o n n e c t all t h e w i r e s f r o m t h e P . C . b o a r d by p u l l i n g off t h e quicl< c o n n e c t t e r m i n a l s (Do not p u l l o n w i r e s . Mal^e s u r e y o u h a v e a firm h o l d o n the terminal). 4. R e m o v e the t w o P . C . b o a r d m o u n t i n g s c r e w s f r o m the b o t t o m s i d e of the case. 5. Install t h e n e w P . C . b o a r d in r e v e r s e order. ( S e e Illustration N o . 1 for w i r i n g detail.) 6. 7.0 N O T E : O n 10/18/04 the P . C . board w a s r e p l a c e d with a e n c a p s u l a t e d circuit pacl<age. To install the e n c a p s u l a t e d circuit p a c k a g e , install o n e mounting s c r e w into a n existing mounting hole In the bottom side of the c a s e , c o n n e c t all w i r e s to the proper circuit p a c k a g e terminals ( S e e Illustrations N o . 2 for wiring detail). ILLUSTRATIONS N o . 1 - Final A s s e m b l y & Wiring Detail w / R C . B D . N o . 2 - Final A s s e m b l y & Wiring Detail w / T l m e r No. 3 - Front Panel A s s e m b l y No. 4 - Collection Bottle A s s e m b l y No. 5 - D C U No. 6 - Pump Cylinder Assembly N o . 7 - C o n t r o l C i r c u i t ( P . C . BD.) N o . 7 A - C o n t r o l Circuit (Timer) No. 8 - Valve and Manifold A s s e m b l y ILLUSTRATION N O . 2 I a I \ \ Pi" \ \ \ Vi Vj \ \ 4 ^ V5 '0 K \ APP. BV nEVI8<ON$ S>rsft. pi c AT'o 1. S X^ooa OF OpHRATiOKJ 1 C O M T i ' - O ^ J S IMpJT T E B M M A L S . z. ivipoT 3. Ti-ie. O s i - A r t 2.2. J L O A C Voi.TA<:ie, SF250A-'>74 = 23o 1 O F T Ti»«e. r X L A i S 3.2 T h £ 0>0 - O F F A C .-^ i^-^C .5<i/(-o f l i , •- s F i z s A - 7 7 4 . : 1^ T . zz atna-iDs O J -r-fl& r;c.i-A-<i M'^H 5 F ' 2 * A-77-4- J - i T. z . z S Sec I <*5 i e < : - . * i o % -O i . l i e c . , * ' 0 % , - 0 ILLUSTRATION N O . 7 S H E E T N O . 1 OWN BY cpS OATE- ' ? . l C - a o CMK. 9Y DATE: APP BY DATE: /a SCALE fJt-U 00 MOT SCALE DtUENStONS: IN - UW TITLE: S O L I . O K ) I N . = H«0 M M . TOlERANCES FftACTlONS = -A 2 PLACE D£C. = .01 - .25 PART PdO: 3 PLAC^ DEC. I .005 - ,13 DWQ- I C ? AMGLES S T S T A T E T...ieC5 ?> 4., W J o O ' UJ ^ O i( K H H 3 U O S. . Ul UJ UJ In Q • O O UJ UJ M U. [M f) < o o ff- •J lij UJ < < • o l/l '3 > U >•' m to If r u fl. < 0. N. CO PAHT KO: REVISIONS • 01 R I APP, BV V DWN. BY: SfT. TC / C M K . BY: Zi— J-'if'*. APP. BY: i{.^4 DATEi'l'l-^-S-' ILLUSTRATION NO, 7 S H E E T NO. 3 = t 2 PLACE oec. = .01 D A T E : <} DATE. •^•If-fx^ SCALE; r \ y 1 DO » 0 T SCALE TOLEPIANCES FE5ACT10NS DWG- 3 P L A C E DEC. = .CBK ANGLES = T TtTLE:e\t;CUiT PAHT N O DWG. I OF 1 B ^ BILL OF MATERIALS REF NO DESCRIPTION QTY, W04MA BRl 1 BRIDGE Cl 1 C2 1 CAPACITOR CAPACITOR .lufd .lufd C5 1 CAPACITOR .Oluf'd 250 VDC C4 1 CAPACITOR .Olufd 250 VDC C5 1 CAPACITOR .Olufd 250 VDC C6 1 CAPACITOR ^^uf-d C7,C8 2 CAPACITOR Dl 1 RECTIFIER DIODE ICI • 1 INTEGRATED CIRCUT MC l 4 5 H l B IC2 1 INTEGRATED CIRCUT MC l 4 0 l 6 B Pl 1 TRIMPOT 1 MEG. OHM P2 1 TRIMPOT lOOK OHM P3 1 TRIMPOT lOOK OHM Ql 1 SCR Q2 1 TRANSISTOR Rl 1 RESISTOR 2 2 K OHM 1^2 WATT R2 1 RESISTOR lOK OHM i WATT R5 1 RESISTOR 4 . 7 K OHM ^ V7ATT r4 1 RESISTOR 27IC OHM R5 1 RESISTOR 47K OHM ^ WATT r6 1 RESISTOR 270K R7 1 r8 1 RESISTOR RESISTOR 1 2 0 K OHM ^ WATT 27K OHM i WATT R9 1 RESISTOR lOKOHM i WATT 250 VDC 250 VDC 25 VDC MSR .00lufd 500 VDC 1N4001| ' C 106 D 2^15172 h WATT OHM ^ WATT iL|„USTRATiON N O . 7 SHEET 4 BILL OF MATERIALS REF NO QTY. DESCRIPTION RIO 1 RESISTOR 3 3 K OHM i WATT Rll RESISTOR 3 9 0 K OHM i WATT R12 1 1 RESISTOR 3 9 0 K OHM i WATT R13 1 RESISTOR 27K OHM J WATT Rll| I RESISTOR 0 OHM i WATT RESISTOR 0 OHM f WATT 1 ZENER 9V 1N5239B 1 PRINTED CIRCUT BOARD 5 i IN. TERMINAL 1 COVER 1 LABEL 3 SPACER R15,16,17 ILLUSTRATION N O . 7 S H E E T 5 OCP 4i. F3 R E V I S I O N S 2311-1 REV. ITR. E.C.O. NUMBER DATE BY INPUT 120 VAC - 2.0 2 L_.^ ; . _ J 1 3 3 2 1 00.250 us PAIEMT fCPl] THRU (-) 2.0 us PATENT 07CB13S CLOSE ON LOW ON T W E DELAYS ri!rt=>- CONNECTIOM OlACRAM 0.25 I N C H M A L E Q U I C K C O N N E C T T E R M I N A L S (5 P L A C E S ) 1.2 MAX. PLACE LABEL AS SHOWN L A B E L IS T O B E M A R K E D W I T H THE FOLLOWING INFORMATION: CUSTOMER PART NUMBER AND DATE CODE TIME DELAYS. V O L T A G E A N D s w w o t ' s NOTE; ANY CHANCE M MATERIAL OR PROCESS BY THE SUPPUEH WWCM AFFECTS IKE OUAUTY Oft USE OF JUd PARTS UUST BE SUBUinCD PROUPTLY FOU APPHOVAL TO ALUED HEALTOCARC PRODUCTS. NO 5 K P U E N I EUSODWJC SUCH A CHANCE iS TO B E UAOE WITHOUT PRIOR WWTTEH APPROVAI. or AOIEO HEALlHCARE PROOUCIS. C U R R E N T RATING. THS PRINT IS THE PROPERTY OF AUJEO HEALTHCARE PROOUCTS ANO S H ^ NOT BE COPIED.REPRODUCED. LOANED.OR DISPOSED OF EITHER DIRECTLY OR INDIRECTLY. NOR USED FOR ANY PURPOSE OWER TMAM THAT FOR WHICH IT iS SPEOHCALLY FURNISHED EXCEPT BY WRITTEN PERMISSION OF ALUEO HEALTHCARE PRODUCTS. SIGNATURE uMi£ss onoviiEE SPEoreo 25/^ « \J B*fl.1 SACHINOX ajRFACi^ SYUBOLS PER ANSI STO. Y14.5 BREAK ALL SHARP EDGES .0DS/-ai5 nU£TS .015 R. WAX. DRAW SCALE: 1:1 REUO^ ALL BURRS PLOTSCALE:- 1:1 DO NOT SCALE ORAViINC wiEES otMOnKE atortti DIUEN30HS ARC IM INC»[S TOLERANCES ARE: ANCL£S± T XL .1 -XXt .02 .m«± .005 niAcnoNSi 1/32" DRAWN Vl A DATE 4 i £ , J G 01 / 0 5 CHECK /A DESIGN SL Louia uo eino ««.i>iii™;i«tiuoni-1 PHONE C31«) 771-2*00 FAX (31*) 771-3465 TiTLz APPROVED CATALOG NO, Allied Healthcare Products, Ina ULLvVL ENCAPSULATED T1MER-120V GOMCO 3IE g SCALE 1:1 DRAWING Na \ ~ \ iNlllALft£L£ASt;NO. 9847 REV. NEW 2/27/98 mm ILLUSTRATION NO.7 A SHEET 1 OF 1 ON AHP AUIOCM) STSOl (G;\DE3CNV000\ZJ1l-li)M;) 8.0 TROUBLE SHOOTING PROBLEM N O SUCTION BUT P U M P CYCLING PROPERLY PROBABLE CAUSES 1. S U C T I O N O R P R E S S U R E REMEDY R E P L A C E , S E E 6.3.1 V A L V E BAD. 2. L O O S E O R O P E N TUBING CONNECTION CHECK ALL CONNECTIONS 3. C O L L E C T I O N B O T T L E TOP LEAKING C H E C K SET 3.0 1. S U C T I O N O R P R E S S U R E VALVE LEAKING R E P L A C E , S E E 6.3.1 2. L O O S E T U B I N G CONNECTION 3. C O L L E C T I O N B O T T L E TOP LEAKING 4. H E A T I N G E L E M E N T S H O R T E N E D OR BURNED 5. C O N T R O L C I R C U I T MALFUNCTIONING CHECK ALL CONNECTIONS C H E C K SET U P - S E E 3.0 S E E S P E C S . - 2.4 CYCLE LAMP REMAINS ON 1. C O N T R O L C I R C U I T B U R N E D OUT S E E S P E C S . — 6.6.1 CYCLE LAMP DOES NOT C O M E ON 1. C Y C L E L A M P B U R N E D 2. C O N T R O L C I R C U I T B U R N E D OUT REPLACE SEE SPECS — 3. P O W E R S O U R C E B A D 4. S E L E C T O R S W I T C H B A D 5. V\/IRING I N C O R R E C T C H E C K POWER OUTLET REPLACE LOW SUCTION U P - S E E SEE SPECS. - 6.6.1 6.6.1 C H E C K WIRING ( S E E ILL. N O . 1 O R N O . 2) .0 lil No. 01-90-3451 Cylinder Cover Assembly Element E l b o w (Fitting) Gasket 01-90-3477 Pressure Valve Suction Valve Manifoid Silicone Cylinder Tube Suction Valve Tube 01-90-3489 1200 M L B o t t l e {6/Gase) C a p and Float A s s e m b l y 01-90-3487 C a p (Includes Gasket) Cap Gasket F l o a t G a s k e t (Only) Float A s s e m b i y Pump Cylinder Assembly 01-90-2715 01-90-3449 01-90-2713 01-90-3450 01-90-3731 6 6 6 6 6 6 Valve and Manifold Assembly 01-90-3432 01-90-3433 01-90-2722 01-90-3475 01-90-3476 8 1200 ML Collection Bottle Assembly 01-90-3497 01-90-3487 C a p and Float Assembly 4 01-90-2393 01-90-2394 01-90-2395 01-90-3486 8 8 8 8 8 4 4 4 4 4 4 4 1-2 1-2 1-2 3 1-2 1-2 3 3 01-90-2986 01-90-3478 01 -90-3403 01-90-3400 C a s e Top Cover Case Bottom C a s e Rear Panel C a s e Front P a n e l 01-90-2271 01-90-2270 01-90-2309 01-90-2310 01-90-2311-1 01-90-2312-1 01-90-3100 Handie Handle Spacer Switch Cycle Lamp Timer (115 v) Timer (230 v) B a c t e r i a Filter P a c k a g e (3 each) Tubing Package (2 e a c h , 6 ft.) Not S h o w n 01-90-2737 Power Cord Assembly (115v) 1-2 01 -90-3109 Power Cord Assembly (230v) 01-90-3443 Bottle Holder 01-90-3479 V a c u u m a n d Filter 1-2 Connection 1-2 01-90-3491 01-90-3480 E l b o w ( F i t t i n g for 3479) 01-90-2345 Rubber Foot 01-90-3695 01-90-3696 1100 M L D C U 1 2 / C a s e 1100 fVlL D C U 4 6 / C a s e 7A 7A 1-2 1-2 1-2 1-2 5 5 ">

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Key features
- Gentle suction for specialized uses
- Two preset drainage levels
- Overflow protection
- Bacteria filter
- Compact and portable design
Frequently asked questions
The two preset drainage levels are 90 mm and 120 mm of mercury vacuum.
The high efficiency bacteria filter is designed to prevent fluid and aerosol contamination of the portable suction units.
The collection bottle includes a cap and float assembly that shuts off vacuum when a predetermined fluid level is reached.
The pump has electrical requirements of 115 volts 50/60 Hz or 230 volts 50/60 Hz.