Graco ti18526c Repair Catalyst Pump, Remove Catalyst Pump from System, Disassemble Catalyst Pump

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Repair Catalyst Pump

See FIG. 37 on page 49 for reference numbers.

Remove Catalyst Pump from System

1.Flush the pump, see page 30.

2.Relieve the pressure, see page 24.

3.Close catalyst supply ball valve and disconnect fluid lines.

4.Remove top pivot knob securing catalyst pump to upper control arm.

5.Remove bolt securing catalyst pump to lower con- trol arm then remove catalyst pump.

Disassemble Catalyst Pump

6.Pull pivot knob (929) out to fully extend the slave pump rod (910).

7.Remove quick release pin (908) from slave pump housing (901).

8.Holding the slave pump housing (901) stationary with one hand, use a crescent wrench on the flats of the slave pump cylinder (918) to loosen then remove the cylinder and foot valve (922) assembly.

9.Place the slave pump housing (901) in a vise. Use the flats provided by the quick-release pin (908) hole.

10.Use a crescent wrench on the flats of the cartridge (902) to loosen then remove the cartridge and piston rod (910) assembly.

Repair Throat and Piston Seals

11.Use a wrench on the flats of the piston rod (910) to hold it stationary while using a second wrench on the flats of the transfer housing (914) to loosen then remove the housing and cap (917) assembly.

12.Install bullet tool 16D007 on the piston rod (910) then pull the rod (910) out of the cartridge (902).

NOTICE

Bullet tool 16D007 must be used or damage to the seals will result when removing or installing items onto the rod.

13.Remove snap-on seal retainer (902e) then remove seal (902f).

Repair

14.Use crescent wrench to loosen then remove the bearing (902b) and felt wiper (902d) assembly.

15.Remove seal (902f) from inside of cartridge (902a).

16.Remove o-ring (902g).

17.Install new seal (902f) into bottom of the

cartridge (902a) with the u-cup opening facing into the pump.

18.Install seal (902f) with onto weep seal installation tool 16N967 with u-cup opening facing into the pump then use tool to install seal into inside of cartridge (902a).

19.Install felt wiper (902d) and bearing (902b) into cartridge (902a). Tighten to 20-60 in-lb (2.3-6.8 N•m).

20.Install o-ring (902g).

21.Install snap-on seal (902e).

22.Lubricate the piston rod.

23.With bullet tool 16D007 installed on the piston rod, install cartridge assembly (902) onto the rod.

24.Remove the bullet tool.

25.Use one wrench on the transfer housing (914) and another on the transfer housing cap (917) to break them loose from each other then remove the cap from the housing.

26.Remove seal (915) and guide (916) from transfer housing.

27.Remove spring (911), valve (912), and o-ring (913) from transfer housing.

28.Remove o-ring (913) from the valve (912).

29.Install new o-ring (913) on new valve (912).

3A2012J

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Contents FRP Proportioner Important Safety InstructionsContents Manual Description Related ManualsAgency Approvals Length Ratio ModelsNo Cart Cart, Mast, and Boom HoseAccessories Skin Injection Hazard Toxic Fluid or Fumes Hazard 3A2012J Keep Resin and Catalyst Components Separate Important Two-Component Material InformationMaterial Self-ignition Changing MaterialsTypical Applications OverviewKey Component IdentificationAir Control Panel Pressurized fluid outlet on filter R connect fluid Air Motor and Resin Displacement PumpPressure relief/recirculation valve P relieves pres Pressure relief/recirculation fluid outlet P1 placeCatalyst Pump Components Catalyst PumpSolvent Flush Asme and CE-Approved Pressure Pot Solvent Flush SystemsSolvent Flush Diaphragm Pump System Mounting Wall Mount Systems Only SetupBefore Installation Location RequirementsFor systems bolting directly to wall not using a pole For cart and boom systems only, install legs System AssemblySpring Chain Roving Guides Deflector Plates Grounding Ground WireAir Connections Connect Fluid and Air LinesCatalyst Pump Pressure Relief Valve Gun Connections Flush Before First UseFill Supply Tanks Solvent Flush Connections if applicableBoom Operation Pressure Relief Procedure and ShutdownOperation Trigger LockOperation For internal mix proportioners only, check solvent line StartupPrime Follow Pressure Relief Procedure and Shut- down onOperation 3A2012J Flush External mix systems 30-40 psi 0.21-0.28 MPa, 2.1-2.8 bar SprayFollow Pressure Relief Procedure and Shutdown on AAC Air AdjustmentDataTrak Operation Run ModeSetup Mode Operation Solenoid Release Button Runaway MonitorDisplay DiagnosticsPrime/Flush Counter/TotalizerDiagnostic Codes Symbol Code Name Diagnosis Cause Disconnect DataTrak Replace DataTrak Battery or FuseTask Schedule Inspect pump wetcup Daily MaintenanceComponents Resin Pump TroubleshootingSpray pattern Mendations Fluid is too thin or too thick General Information Disconnect the Displacement PumpRepair Align cylinder and adapter plate Reconnect the Displacement PumpReconnect the Air Motor Disconnect the Air MotorTi18456c Replace Pumpline Repair Throat and Piston Seals Repair Catalyst PumpRemove Catalyst Pump from System Disassemble Catalyst PumpAssemble Catalyst Pump Repair Foot ValveCatalyst Pump Details Systems System Parts152 24M692 SPACER, ball joint Wall or Pole Mount KIT Wall or Pole Mount KIT Wall or Pole Mount KIT Quantity CartsSystem Parts Part Description Qty Wall or Pole Mount Kit, 16N918Boom, 16N761 Air Panel Slave Pump Linkage, 16P125 Part Description 131 171 Resin PumplinesCoupling Collars Connecting KitAir Motor and Pump for Resin Pumpline GunMesh Pack Resin Filter24F620 16M736 Resin Supply Hose3A2012J 922 930 940 Catalyst Slave PumpsCatalyst Pumps Installation Tools not shown16P425 Catalyst ReservoirCart not included in kit, shown for reference only Hose Bundles Quantity 16N0169, 16N017, 16N018, and 16N019 Kits Accessory Parts Heater Kits16N014 and 16N015 Kits Nipple Asme Pressure Pots, 2-gallon 16M893 and 5-gallon 16M894 Solvent Pressure Pot KitsTube Asme and CE-Approved Pressure Pots, 16M874 and 16M875Gallon 16M560 and 5-gallon 16M561 Solvent Diaphragm Pumps16M881 DataTrak Upgrade KitCarts for 55 Gallon Barrel, 16M896 16M961 Roving Box BracketFor external gel Extension HosesGel Hose Chop HoseTop View DimensionsCart and Boom Wall/Pole Mount Cart OnlyPumpline Wall Mounting Bracket Dimensions Technical DataPumpline Technical Data 3A2012J Graco Information Graco Standard Warranty
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