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WARRANTY 

GNC Industries, Inc., P-Series Pumps are warranted by GNC Indus-

tries,  Inc.  GNC  Industries,  Inc.  will  repair  or  replace  (at  GNC  In-

dustries, Inc.’s option) any part or assembly, free of charge, if that 

part or assembly fails within twelve months (1 year) from the date 

of purchase, provided the failure is due to an unmistakable defect 

in material or workmanship.  

No  allowance  will  be  made  for  consequential  damage,  labor  or    

expenses incurred as the results of a proven defect.  In no event 

will GNC Industries, Inc.  be liable for any  loss of profits or other 

consequential  damages,  even  if  GNC  Industries,  Inc.  has  been    

advised of the possibility of such damages. 

GNC  Industries,  Inc.  assumes  no  responsibility  for  accidents  or   

injuries resulting from maintenance or adjustment of product while 

product is in operation. 

Since  GNC  Industries,  Inc.  has  no  control  over  the  operational 

techniques  or  chemicals  used,  GNC  Industries,  Inc.  assumes       

no  liability  for  the  consequences  of  the  use  or  misuse  of  any 

equipment by the purchaser, their employees or others. 

Maximum  operation  speed  and  pressure  is  specified  in  individual 

and applicable instructions. 

GNC  Industries,  Inc.  reserves  the  right  to  improve  any  product 

without being obligated to provide that change on equipment sold 

and/or shipped prior to the product change. 

Modification of equipment voids all warranties written or implied. 

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Summary of Contents for P550

Page 1: ...P550 PUMP Operations and Parts Manual GNC Industries Inc 1401 Pace Rd Pocahontas AR 72455 1 870 248 9901 Email sales gnci org Website www gncindustries com ...

Page 2: ... Inc has been advised of the possibility of such damages GNC Industries Inc assumes no responsibility for accidents or injuries resulting from maintenance or adjustment of product while product is in operation Since GNC Industries Inc has no control over the operational techniques or chemicals used GNC Industries Inc assumes no liability for the consequences of the use or misuse of any equipment b...

Page 3: ...ight line and tighten the belts appropriately 3 Check engine see engine manual and pump oil non detergent Fill as needed to recommended levels DO NOT OVER FILL 4 Check engine fuel Fill as needed with engine manufacture recommended fuel 5 Attached the spray gun to the spray hose and tighten all clamps 6 Set the pump pressure regulator to Pressure Release and make sure the pressure regulator knob is...

Page 4: ...for more than 5 minutes 4 Avoid running the pump without liquid After Each Use 1 Set the pressure regulator switch to Pressure Release and run the pump with clean water to prolong the life of the pump 2 Set the pressure regulating knob to START when the pump is not in use Maintenance 1 Change the oil in the pump after the first 10 15 hours of use After this change the oil in the pump after every 7...

Page 5: ...30 oil until the oil level is covering 2 3 of Ref 11A Oil Win dow 4 Once filled replaced Ref 7A Oil Fill Cap Page 4 Specifications Maximum Flow 15 GPM Maximum Pressure 600 PSI Maximum RPM 800 RPM Maximum Temperature 140 F Inlet Port 1 1 4 Outlet Port Pressure 1 2 Outlet Port Regulator Return Line 3 4 Shaft Size 26mm Dimensions Standard Mounted 18 T x 13 W x 18 L Weight 60 Lbs NOTE Not following pr...

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Page 8: ...ge Screw Assy 13 42 530 13 Crankshaft Key 14 42 550 14 Crankshaft 15 A 42 550 15 Connecting Rod Assy 16 42 550 16 Bearing 17 42 550 17 Crankshaft Oil Seal 18 42 530 18 Crankshaft Oil Seal Cover 19A 42 550 19 Piston Assy 26 42 550 26 Piston Pin 28 42 530 28 Crankcase Stand Short 29A 42 530 29 Set Bolt w Washer 40 42 550 40 x Cylinder Sold In Kit Only 41A 42 550 41 Set Bolt w Washer 42A 42 550 42 Do...

Page 9: ...0 70 Plug 74 42 550 74 Air Chamber O Ring 75 42 550 75 Air Chamber Surge Tank 200 43 530 200 Complete Regulator Page 8 Pump Kits 43 530 200 P 530 P550 Complete Regulator Ref 200 43 550 525 Pump Packing Rebuild Kit Includes Ref 45K 43 550 550 Pump Valve Kit Includes 6 of Ref 54A 43 550 565 X Pump Cylinder Assembly 43 550 580 Pump Rebuild Kit Includes Kit 43 550 525 43 530 550 www gncindustries com ...

Page 10: ... 3 6 7 8 11 15 16 Ref 1 2 3 4 5 6 10 11 12 13 14 15 16 Abnormal Vibration No Liquid at Spray Gun Abnormal Pump Noise Ref 2 11 14 15 16 Ref 2 3 7 8 11 15 16 Abnormal Suction Low or Lost Pressure Ref 9 Page 9 ...

Page 11: ... 12 Plunger packing worn 13 Pump drive belts loose 14 Pressure regulator by pass valve open 15 Suction line valve closed 16 Drive pulley spinning on pump TROUBLESHOOTING REFERENCE NUMBERS REPAIR KITS Page 10 43 530 200 P 530 P550 Complete Regulator 43 550 525 Pump Packing Rebuild Kit Includes Ref 45 49N 43 550 335 X Pump Cylinder Assembly 43 550 550 Pump Valve Kit Includes 6 of Ref 43 550 580 Pump...

Page 12: ...ob to Desired PSI Set Regulator Valve To SPRAYING Start Spraying if Needed Review Calibration Section in Your Owners Manual Check Pump and Engine Oil Levels Check Engine Gas Level Add Fuel as Needed Check Engine Gas Shut Off Set to Open Position Check Engine Throttle Set to Full Throttle Rabbit Check Pump Regulator Setting Large Red Knob Set to START Position Small Black Knob Set to PRESSURE RELEA...

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