Graco Check-Mate 450 Instructions-Parts List Manual
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Graco Check-Mate 450 Instructions-Parts List Manual

With priming piston, and severe-duty rod and cylinder
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INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
CARBON STEEL
Check-Mate
WITH PRIMING PISTON, AND
SEVERE-DUTY ROD AND CYLINDER
For Pump Model Nos., Ratios, and Working Pressures,
refer to page 2.
U.S. Patent Nos. 5,147,188 and 5,154,532.

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GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
450 Pumps
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COPYRIGHT 1990, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
308-017
Supersedes E
Model 222-768 Shown
Rev. L
and PCN K
0423

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Summary of Contents for Graco Check-Mate 450

  • Page 1: Table Of Contents

    Toll-Free Graco Phone Numbers ....0423 GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1990, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...

  • Page 2: List Of Models

    List of Models Maximum Fluid Maximum Air Working Working Pressure Pressure Model No. Description 222–770 10:1 ratio Monark Pump, Series A 12.5 1800 PTFE (UHMWPE/ Packed) 235–626 10:1 ratio Monark Pump, Series A 12.5 1800 PTFE Packed) 222–768 20:1 ratio President Pump, Series A 12.5 3600 PTFE...

  • Page 3: Symbols

    This equipment is for professional use only. Read all instruction manuals, tags, and labels before operating the equipment. Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor. Do not alter or modify this equipment.
  • Page 4 WARNING INJECTION HAZARD Spray from the spray gun/dispense 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. Fluid injected into the skin might look like just a cut, but it is a serious injury.
  • Page 5 WARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and re- sult in a fire or explosion and serious injury. Ground the equipment and the object being sprayed. Refer to Grounding on page 8. If there is any static sparking or you feel an electric shock while using this equipment, stop spray- ing/dispensing immediately.

  • Page 6: Installation

    A red-handled main air bleed valve (V) is re- quired in your system to shut off the air supply to NOTE: Always use Genuine Graco Parts and the pump and ram (see the WARNING at left). Accessories, available from your Graco distributor.
  • Page 7 Installation Fluid Line Accessories A gun or dispense valve (N) dispenses the fluid. The gun shown in Fig. 1 is a high pressure dispens- Install the following accessories in the positions shown ing gun for highly viscous fluids. in Fig. 1, using adapters as necessary: A gun/valve swivel (P) allows freer gun/valve Install a fluid drain valve (L) in a tee near the movement.
  • Page 8 Installation Grounding 4. Spray gun/dispense valve: ground through connec- tion to a properly grounded fluid hose and pump. WARNING 5. Fluid supply container: follow your local code. FIRE AND EXPLOSION HAZARD 6. Object being sprayed: follow your local code. Before operating the pump, ground the system as explained below.

  • Page 9: Operation

    Operation Pressure Relief Procedure Packing Nut/Wet-Cup Before starting, fill the packing nut (2) 1/3 full with Graco Throat Seal Liquid (TSL) or compatible solvent. WARNING See Fig. 3. INJECTION HAZARD WARNING The system pressure must be manually relieved to prevent the system from starting or dispensing accidentally.
  • Page 10 Operation Flush the Pump Before First Use 6. Slowly open the air regulator (H) until the pump starts. The pump is tested with lightweight oil, which is left in to protect the pump parts. If the fluid you are using 7.
  • Page 11 Operation Starting and Adjusting the Pump Flushing (continued) WARNING 10. With the pump and lines primed, and with ade- quate air pressure and volume supplied, the pump FIRE AND EXPLOSION HAZARD will start and stop as you open and close the gun/ Before operating the pump, read the valve.

  • Page 12: Troubleshooting

    Troubleshooting 1. Relieve the pressure. WARNING 2. Check all possible problems and causes before To reduce the risk of serious injury whenever you disassembling the pump. are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 9. PROBLEM CAUSE SOLUTION...
  • Page 13 Troubleshooting PROBLEM CAUSE SOLUTION Erratic or accelerated Exhausted fluid supply. Refill and prime. pump speed. Fluid is too heavy for pump priming. Use the bleeder valve (see page 10); use a ram. Held open or worn piston valve or seals. Clear the valve; replace the seals. Held open or worn priming piston.

  • Page 14: Required Tools

    Service Required Tools 2. Relieve the pressure. Torque wrench 3. Disconnect the air hose. Hold the fluid outlet fitting Bench vise, with soft jaws (8) with a wrench to keep it from being loosened Rubber mallet while you disconnect the fluid hose. Hammer 4.

  • Page 15: Reconnecting The Displacement Pump

    7. Mount the pump and reconnect all hoses. Recon- nect the ground wire if it was disconnected. Fill the wet-cup (2) 1/3 full of Graco Throat Seal Liquid or compatible solvent. 8. Turn on the air supply. Run the pump slowly to en- sure proper operation.

  • Page 16: Displacement Pump Service

    Service Displacement Pump Service 5. Use an o-ring pick to remove the seal (21) from the intake valve housing (17). Discard the seal; use a new one for reassembly. Pull the intake Disassembly valve seat (22) out the bottom of the housing (17). If the seat is difficult to remove, insert a brass rod When disassembling the pump, lay out all removed through the top of the housing and drive the seat...
  • Page 17 Service Throat Packing Detail Lips of v-packings must face down. See Detail at right. Valve Handle (remove and clean). Valve Housing (do not remove). Remove only if damaged. Detail of Piston and Intake Check Valve (Ref) (Ref) (Ref) (Ref) 0425A Fig.
  • Page 18 Service 13. Place the flats of the piston seat (16) in a vise. Us- 14. To disassemble the intake check valve (DD), place ing a 13 mm (1/2 in.) dia. brass rod (EE), unscrew the nut (18) in a vise and unscrew the intake valve the piston guide (14) from the piston seat (16).
  • Page 19 Service Reassembly (Refer to Fig. 8) NOTE: The piston spacer (33) is not required when pumping fluids with a viscosity greater than 1 million 1. Place a 13 mm (1/2 in.) diameter brass rod length- centipoise. wise in a vise. Install a new piston seal (15*) on the piston seat.
  • Page 20 Service 6. Lubricate the throat packings and glands, and 12. Place a 26 mm wrench on the flats of the packing install them in the outlet housing (10) one at a time nut (18) and a 28 mm wrench on the flats of the in the following order, with the lips of the valve body (19).
  • Page 21 Service Throat Packing Detail Lips of v-packings must face down. See Detail at right. Screw valve handle completely into valve housing. Valve Housing (bleed hole must face down). Apply thread sealant. Large bevel must face down. Flat side must face up. Torque to 27–34 N.m (20–25 ft-lb).

  • Page 22: Parts

    Parts Model 222–770, Series A 10:1 Ratio Monark Pump PTFE (UHMWPE and Packed) Model 235–626, Series A PTFE 10:1 Ratio Monark Pump ( Packed) Ref. Part No. Description Qty. 222–791 AIR MOTOR, Monark See 307–043 for parts 184–076 ROD, tie; 295 mm (11.61”) shoulder to shoulder 184–092 ROD, adapter...
  • Page 23 Parts Model 222–768, Series A Model 237–207, Series A 20:1 Ratio President Pump 20:1 Ratio Stubby President Pump PTFE PTFE (UHMWPE and Packed) (UHMWPE and Packed) Ref. Ref. Part No. Description Qty. Part No. Description Qty. 222–772 AIR MOTOR, President 222–772 AIR MOTOR, President See 306–982 for parts...
  • Page 24 Parts Model 222–769, Series A 34:1 Ratio Senator Pump (shown) PTFE (UHMWPE and Packed) Model 224–660, Series A 34:1 Ratio Quiet Senator Pump PTFE (UHMWPE and Packed) Ref. Part No. Description Qty. 217–540 AIR MOTOR, Senator, standard Used on Model 222–769; See 307–592 for parts 220–571 AIR MOTOR, Senator, quiet...
  • Page 25 Parts Model 237–492, Series A 34:1 Ratio Stubby Senator Pump (shown) PTFE (UHMWPE and Packed) Model 237–780, Series A 34:1 Ratio Stubby Quiet Senator Pump PTFE (UHMWPE and Packed) Ref. Part No. Description Qty. 217–540 AIR MOTOR, Senator, standard Used on Model 237–492; See 307–592 for parts 220–571 AIR MOTOR, Senator, quiet...
  • Page 26 Parts Model 222–778, Series A 55:1 Ratio Bulldog Pump (shown) PTFE (UHMWPE and Packed) Model 222–813, Series A 55:1 Ratio Quiet Bulldog Pump PTFE (UHMWPE and Packed) Ref. Part No. Description Qty. 208–356 AIR MOTOR, Bulldog, standard Used on Model 222–778 See 307–049 for parts 215–255 AIR MOTOR, Bulldog, quiet...
  • Page 27 Parts Model 237–208, Series A 55:1 Ratio Stubby Bulldog Pump (shown) PTFE (UHMWPE and Packed) Model 237–779, Series A 55:1 Ratio Stubby Quiet Bulldog Pump PTFE (UHMWPE and Packed) Ref. Part No. Description Qty. 208–356 AIR MOTOR, Bulldog, standard Used on Model 237–208 See 307–049 for parts 215–255 AIR MOTOR, Bulldog, quiet...
  • Page 28 Displacement Pump Parts NOTE: Refer to page 30 for the available throat packing kits. Model 222–790, Series B Displacement Pump, UHMWPE and PTFE Packings, long stroke PTFE Model 235–540, Series A Displacement Pump, Packings, long stroke PTFE Model 237–206, Series A Displacement Pump, UHMWPE and Packings, short stroke Model 237–450, Series A Displacement Pump, UHMWPE and PTFE...
  • Page 29 Displacement Pump Parts Model 222–790 Shown Refer to page 30 for available throat packing kits. Seal Repair Kit 222–773 does not include Piston Seal 188–257 or Intake Valve Seal 189–217 used on pump 235–540. Intake Seat Repair Kit 222–793 does not include Intake Valve Seal 189–217 used on pump 235–540. 24 (Ref) 1 (Ref) 05938...
  • Page 30 Throat Packing Kits PTFE UHMWPE and Throat Packing Repair Kit 222–774, used on Displacement Pumps 222–790, 237–206, and 237–450 Ref. Lips of v-packings must face down. Part No. Description Qty. PTFE 109–302 V-PACKING; 184–172 GLAND, female; sst 109–252 V-PACKING; UHMWPE 184–222 GLAND, male;...
  • Page 31 Manual Change Summary Model 237–207 President Pump and Displacement Pump Assembly Part Ref. Part No. Name 237–206 are added to the manual. Changed Status Models 237–492 and 237–780 Senator Pumps and Models 222–790 & 184–058 Female Gland 237–208 and 237–779 Bulldog Pumps are added to the 235–540 184–172 Female Gland...

  • Page 32: Technical Data And Performance Charts

    Technical Data (Monark Pumps) WARNING Be sure that all fluids and solvents used are chemically compatible with the Wetted Parts listed below. Always read the manufacturer’s literature before us- ing fluid or solvent in this pump. Ratio ............... 10:1 Maximum fluid working pressure .
  • Page 33 Technical Data (President Pumps) WARNING Be sure that all fluids and solvents used are chemically compatible with the Wetted Parts listed below. Always read the manufacturer’s literature before us- ing fluid or solvent in this pump. Ratio ............... 20:1 Maximum fluid working pressure .
  • Page 34 Technical Data (Senator Pumps) WARNING Be sure that all fluids and solvents used are chemically compatible with the Wetted Parts listed below. Always read the manufacturer’s literature before us- ing fluid or solvent in this pump. Ratio ............... 34:1 Maximum fluid working pressure .
  • Page 35 Technical Data (Quiet Senator Pumps) WARNING Be sure that all fluids and solvents used are chemically compatible with the Wetted Parts listed below. Always read the manufacturer’s literature before us- ing fluid or solvent in this pump. Ratio ............... 34:1 Maximum fluid working pressure .
  • Page 36 Technical Data (Bulldog Pumps) WARNING Be sure that all fluids and solvents used are chemically compatible with the Wetted Parts listed below. Always read the manufacturer’s literature before us- ing fluid or solvent in this pump. Ratio ............... 55:1 Maximum fluid working pressure .
  • Page 37 Technical Data (Quiet Bulldog Pumps) WARNING Be sure that all fluids and solvents used are chemically compatible with the Wetted Parts listed below. Always read the manufacturer’s literature before us- ing fluid or solvent in this pump. Ratio ............... 55:1 Maximum fluid working pressure .

  • Page 38: Dimensions

    Dimensions Model 222–768 Shown 0423 Pump Model (air inlet) (fluid outlet) 222–770, 1188 mm 365 mm 826 mm 328 mm 3/8 npt(f) 3/4 npt(m) 235–626 (46.25 in.) (14.35 in.) (32.5 in.) (12.9 in.) 222–768 1251 mm 418 mm 832 mm 328 mm 1/2 npt(f) 3/4 npt(m)

  • Page 39: Mounting Hole Layout

    Mounting Hole Layout PRESIDENT PUMPS MONARK PUMPS 63.5 mm 54.1 mm 63.5 mm (2.50”) (2.130”) (2.50”) 22.2 mm 62.50 mm (0.875”) (2.461”) 31.25 mm 38.5 mm (1.230”) (1.516”) 31.2 mm (1.230”) 62.50 mm (2.461”) 7.1 mm 7.9 mm (0.281”) 11.4 mm (0.312”) diameter (2) (0.449”)

  • Page 40: Warranty

    Graco distributor to the original purchaser for use. 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 defec- tive.

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