Graco B Series Instructions-Parts List Manual

50:1 ratio fire-ball grease pumps
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INSTRUCTIONS-PARTS LIST
Parts
INSTRUCTIONS
50:1 Ratio Fire-Ballr Grease Pumps
FOR LUBRICATING PRODUCTS ONLY
8400 psi (58 MPa, 580 bar) Maximum Fluid Working Pressure
140 psi (0.97 MPa, 9.7 bar) Maximum Air Working Pressure
Model No. 239877, Series B
pail length
Model No. 239887, Series B
120-pound drum length
Model No. 239888, Series B
400-pound drum length
This product is designed to be used only in
pumping non-corrosive and non-abrasive lubricants
and greases. Any other use can cause unsafe
operating conditions and result in component
rupture, fire, or explosion, which can cause serious
injury, including fluid injection.

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This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
WARNING
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Graco Inc. is registered to I.S. EN ISO 9001
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ECOPYRIGHT 1999, GRACO INC.
First choice when
quality counts.t
Model No. 239887 shown
308883
Rev. F
9038B

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Table of Contents
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Summary of Contents for Graco B Series

  • Page 1: Table Of Contents

    ......GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 ECOPYRIGHT 1999, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...
  • Page 2: Warnings

    D This equipment is for professional use only. D Read all instruction manuals, tags, and labels before you operate this equipment. D Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor. D Do not modify this equipment.
  • Page 3 WARNING INJECTION HAZARD Fluid from the dispensing valve, leaks, or ruptured components can inject fluid into your body and cause extremely serious injury, including the need for amputation. Fluid splashed in the eyes or on the skin can also cause serious injury. D Fluid injected into the skin might look like just a cut, but it is a serious injury.
  • Page 4 WARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and result in a fire or explosion and serious injury. D Ground the equipment and the object being dispensed to. Refer to Grounding below. D If there is any static sparking or you feel an electric shock while using this equipment, stop dispensing immediately.
  • Page 5 Notes 308883...
  • Page 6: Installation

    Installation Grounding Proper grounding is an essential part of maintaining a To ground the pump, remove the ground screw (Z) safe system. and insert through the eye of the ring terminal at end of the ground wire (Y). Fasten the ground screw back To reduce the risk of static sparking, ground the pump.
  • Page 7 Installation Mounting CAUTION WARNING Do not hang the air accessories directly on the air Mount the pump securely so that it cannot move inlet. The fittings are not strong enough to support around during operation. Failure to do so could the accessories and may cause one or more to result in personal injury or equipment damage.
  • Page 8: Operation

    Operation Pressure Relief Procedure WARNING WARNING COMPONENT RUPTURE HAZARD The maximum working pressure of each INJECTION HAZARD component in the system may not be the The equipment stays pressurized until same. To reduce the risk of pressure is manually relieved. To reduce overpressurizing any component in the system, be the risk of serious injury from sure you know the maximum working pressure of...
  • Page 9: Troubleshooting

    Troubleshooting WARNING WARNING MOVING PARTS HAZARD To reduce the risk of serious injury whenever you Never operate the pump with the are instructed to relieve pressure, always follow the warning plate or the identification plate Pressure Relief Procedure on page 8. removed.
  • Page 10: Displacement Pump Service

    Displacement Pump Service D Be sure you have all necessary parts on hand 6. Use strap wrench on pump cylinder (59) to screw it before you start. If using a repair kit, use all the out of extension tube (64). Screw tube connector parts in the kit for the best results.
  • Page 11 Displacement Pump Service Using nut (63), torque the pump cylinder (59) to the ex- tension tube (64) at 45–55 ft-lb (61–75 NSm). Torque the shovel rod (58) to the piston (52) at 25–30 ft-lb (34–41 NSm). Torque the piston (52) to the extension rod (57) at 25–30 ft-lb (34–41 NSm).
  • Page 12: Air Motor And Throat Service

    Air Motor and Throat Service D Before you start, be sure you have all necessary 8. Remove the six screws (21) that hold the cylinder parts on hand. Repair Kit 206728 is available for (17) to the base. Carefully pull the cylinder straight the motor.
  • Page 13 Air Motor and Throat Service Torque the extension tube (64) to the base (5) at 45 to 55 ft-lb (61 to 75 N-m). 9040B Fig. 4 308883...
  • Page 14 Air Motor and Throat Service Reassembly 1. Clean all the parts carefully in a compatible 7. Install the transfer valve grommets (12), and solvent, and inspect for wear or damage. Use all reassemble the valve mechanism. Before you the repair kit parts during reassembly, and replace install the lockwires (31) in the adjusting nuts (30), other parts as necessary.
  • Page 15 Notes 308883...
  • Page 16: Parts Drawing

    Parts Drawing Model No. 239877, Series B, pail length Model No. 239887, Series B, 120-pound drum length Model No. 239888, Series B, 400-pound drum length { The replacements for these parts are available in Air Motor Includes item 1 to 39 Repair Kit 241623.
  • Page 17: Parts List

    Parts List Model No. 239877, Series B, pail length Model No. 239887, Series B,120-pound drum length Model No. 239888, Series B, 400-pound drum length Ref. Ref. Part No. Description Qty. Part No. Description Qty. 238756 AIR MOTOR ASSEMBLY 160261 .NUT, adjusting 160618 .LOCKWIRE, transfer valve Model 239877...
  • Page 18: Dimensional Drawings

    Dimensional Drawings Model 239877 Model 239887 Model 239888 pail length 120 lb drum size 400 lb drum size grounding screw grounding screw grounding screw 3/8 npt(f) 3/8 npt(f) air inlet 3/8 npt(f) air inlet air inlet 1/4 npt(f) 1/4 npt(f) 1/4 npt(f) fluid outlet fluid outlet...
  • Page 19: Technical Data

    Technical Data Maximum working pressure ............8400 (58 MPa, 580 bar) Fluid pressure ratio .
  • Page 20: Warranty

    Graco distributor to the original purchaser for use. 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:

239877239887239888D series

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