Graco LubePro 17C752 Instructions Manual
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Graco LubePro 17C752 Instructions Manual

Graco LubePro 17C752 Instructions Manual

Single stroke oil pump
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Instructions
19:1 LubePro
Single Stroke Oil
Pump
For pumping non-corrosive and non-abrasive lubricants only. For professional use only.
Not approved for use in explosive atmospheres or hazardous locations.
Model No. 17C752
19:1 Oil pump with Low Level, NPT
Model No. 17C753
19:1 Oil pump without Low Level, NPT
Model No. 18C752
19:1 Oil pump with Low Level, BSPP Adapter
Model No. 18C753
19:1 Oil pump without Low Level, BSPP Adapter
3500 psi (24 MPa, 241 bar) Maximum Working Pressure
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
™
334789E
EN

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Summary of Contents for Graco LubePro 17C752

  • Page 1 Instructions ™ 19:1 LubePro Single Stroke Oil 334789E Pump For pumping non-corrosive and non-abrasive lubricants only. For professional use only. Not approved for use in explosive atmospheres or hazardous locations. Model No. 17C752 19:1 Oil pump with Low Level, NPT Model No.
  • Page 2 Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama- tion point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable.
  • Page 3 Warnings WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or under the influence of drugs or alcohol. • Do not exceed the maximum working pressure or temperature rating of the lowest rated system com- ponent.

  • Page 4: Typical Installation

    Installation Installation Typical Installation . 1: Typical Installation Key: Main air supply Injector Filter/Regulator/Lubricator Assembly Lubricator controller B1 - Air Filter Pump reservoir B2 - Air Regulator Pump reservoir fill cover B3 - Air Lubricator Ground Air solenoid valve (4-way) Pump outlet check body Pump module Pump air inlet - forward stroke...
  • Page 5 Installation Grounding Mounting Mount the pump securely so that it cannot move The equipment must be grounded. Improper around during operation. Failure to do so could result grounding can cause electric shock. Grounding in injury or equipment damage. reduces the risk of electric shock by providing an escape wire for the electric current in the event of Install the pump in a location that will adequately sup- malfunction or breakdown.

  • Page 6: Air And Fluid Line Accessories

    Installation Air and Fluid Line Accessories To use the air regulator reading to determine the fluid output pressure, multiply the ratio of the pump (19:1) by the air pressure shown on the regulator gauge or see Refer to F . 1, page 4, for the following instructions. Table 1: Lubricant Output - PSI or Table 2: Lubricant Output - MPa (bar), provided on page 11.
  • Page 7 Installation 2. Slowly add oil (ol) until reservoir is filled to capacity Supply Lines . 5). Take care to not fill reservoir too quickly and 1. Prime the pump until oil (ol) comes out of the pump overflow the reservoir capacity. outlet (E).

  • Page 8: Pressure Relief Procedure

    Installation Pressure Relief Procedure Air Lock Procedure Follow the Pressure Relief Procedure whenever you see this symbol. The reference letters used in the following instructions, refer to the Typical Installation F . 1 on page 4. This equipment stays pressurized until pressure is An air lock occurs when a bubble or pocket of air pre- manually relieved.
  • Page 9 Installation 6. Connect the pump outlet (E) to the lubrication line (G) (F . 8). 334789E...

  • Page 10: Operation

    Operation Operation Low Level Switch When the oil reservoir is full, the low level float (llf) sits in Pump the high, raised position as shown in F . 9. Start Up 1. Verify reservoir is filled with lubricant and system has been Primed (see Prime System, page 7).
  • Page 11 Operation Lubrication System Sizing and Calculation Guidelines Table 1: Lubricant Output and Pressure - US NOTE: The lubricant output per pump stroke must be less than the amount of lubricant discharged per pump stroke. Max Pump Minimum Injector Maximum Pressure Recommended Pressure Lubricant Pressure...

  • Page 12: Seal Replacement

    Repair Repair Seal Replacement NOTE: For most seal replacement procedures, the pump should be completely removed from service and clamped in a vise. If you are only replacing the reservoir and/or reservoir seals, you do not have to remove the pump from it’s ser- vice location.
  • Page 13 Repair 8. Collect drained oil in a pail or waste container. Dis- pose of oil according to all regulations for proper dis- posal. Replace drain plug (34). 9. Use a wrench to remove tie rods (29). Loosen the rods in a diagonal pattern, taking care to loosen each rod gradually until all rods are completely loos- ened.
  • Page 14 Repair 13. Remove o-ring (4) from piston stop nut (3). Dispose 15. Piston Rod (13) and Piston (6) of o-ring according to all regulations for proper dis- posal. a. Pull piston rod (13) and piston (6) out of air cyl- inder (2) (F .
  • Page 15 Repair c. Remove o-ring (41) from the piston rod (13) 16. Remove the outlet check valve (15) from the pump base (1) (F . 23). Remove o-ring (4) from outlet . 21). check valve. Dispose of o-ring according to all regu- lations for proper disposal.
  • Page 16 Repair 18. Throat Seal Kit a. Slide the blade of a small, flat screw driver under the tapered edge (te) of retaining ring (9) The Throat Seal Kit includes the following parts and remove the ring as shown in F .
  • Page 17 Repair 19. Use a soft brass rod (br) and hammer to gently tap 20. Remove o-ring (14). Dispose of o-ring according to the pump element sleeve (53) out of the pump base all regulations for proper disposal. (1) (F . 27). Use your hand to catch the sleeve while tapping it out of the pump base to make sure it does not drop on the ground or table which could damage the...
  • Page 18 Repair Reassembly NOTE: Always use all new parts included in replace- ment kits. Discard used parts according to all applicable regulations for proper disposal. (install tapered side down) 1. Use a clean cloth to wipe down the pump base (1) and remove any dirt or contaminants.
  • Page 19 Repair d. Install seal (11). Be sure the lips of the seal are Install retaining clip (51) (F . 35). You should facing down as shown in F . 33. hear a “click” when the retaining clip is correctly seated in the groove. NOTE: Make sure the seal lip is not damaged while pressing the seal through the clip grooves.
  • Page 20 Repair h. Install seal (11), with the lips facing up as shown Install clip (9) (F . 39). You should hear a “click” in F . 37. when the retaining clip is correctly seated in the groove. NOTE: Make sure the seal lip is not damaged while pressing the seal through the clip grooves.
  • Page 21 Repair 5. Pump Element Sleeve (53) a. Use a clean cloth to wipe down the pump ele- ment sleeve (53) and remove any dirt or con- taminants. Inspect surface for any scratches or damage. b. Apply a thin layer of grease to o-ring (14). Install o-ring around the pump element sleeve (d) (F 41).
  • Page 22 Repair 6. Outlet Check Valve (15) a. Use a clean cloth to wipe down the outlet check valve (15) and remove any dirt or contaminants. Inspect surface for any scratches or damage. Replace damaged parts. NOTE: The outlet check valve consists of a ball check inside the bore.
  • Page 23 Repair 8. Piston Rod (13) and Piston (6) d. Install nut (5) over the end of the piston rod (13). Use two wrenches, working in opposite direc- NOTE: Do not clamp piston rod (13) in vise. tions to tighten the nut. Secure one open end wrench to flats of piston rod and use the second a.
  • Page 24 (2) over the piston (6) and push it all the way down until it is seated tightly to the pump base (1). See F . 52. Make sure the Graco G in the air cylinder is fac- ing out. . 54 . 52...
  • Page 25 Repair e. Thread piston stop nut (3) into top of air cylinder 11. Install reservoir (27) in the pump base (1) (F . 57). (2) as shown in F . 55. Wrench tighten nut. Then torque nut to 15 to 17 ft. lbs (20.3 to 23.1 N•m).

  • Page 26: Troubleshooting

    Troubleshooting Troubleshooting Problem Cause Solution Adjust air pressure/supply. No air Open bleed-type master air valve (F) (page 4). The pump is not operating. No lubricant No lubricant in reservoir Fill the reservoir. flow. Remove trapped air (see Air Lock, Losing prime page 8).
  • Page 27 Notes Notes 334789E...
  • Page 28 Parts Parts 334789E...
  • Page 29 Parts Parts Part No. Description Part No. Description 557799 SCREEN, filter PUMP BASE 101578 SCREW, cap, hex, hd 160613 CYLINDER, air 101754 PLUG, pipe NUT, piston stop SENSOR, low level (models 17C752, 156698 PACKING, o-ring  18C752)  NUT, hex, lock, nylon, thin PLUG (models 17C753, 18C753) PISTON, air NUT, low level float mount...

  • Page 30: Dimensions And Mounting

    Dimensions and Mounting Dimensions and Mounting 334789E...

  • Page 31: Technical Data

    Technical Data Technical Data 19:1 Single Stroke Pump, Oil Metric Maximum fluid working pressure 3500 psi 24 MPa, 241 bar Pressure ratio19:1 19:1 Pump output 3.0 cu. inch/stroke Reservoir capacity 4 lb (120 cu. in.) Maximum air inlet pressure 185 psi 1.27 MPa, 12.76 bar Air inlet size 1/4 in.

  • Page 32: Graco Standard Warranty

    With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.

This manual is also suitable for:

Lubepro 17c753Lubepro 18c752Lubepro 18c753

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