Graco 450 - Manual

308017 5 WARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition andresult in a fire or explosion and serious injury. D Ground the equipment and the object being sprayed. Refer to Grounding on page 8. D If there is any static spar...

6 308017 Installation General Information NOTE: Reference numbers and letters in parenthesesin the text refer to the callouts in the figures and theparts drawings. NOTE: Always use Genuine Graco Parts and Acces-sories, available from your Graco distributor. Refer tothe Product Data Sheet, Form No. 3...

8 308017 Installation Grounding WARNING FIRE AND EXPLOSION HAZARDBefore operating the pump, ground thesystem as explained below. Also readthe section FIRE AND EXPLOSIONHAZARD on page 5. 1. Pump: use a ground wire and clamp. See Fig. 2.Loosen the grounding lug locknut (W) and washer(X). Insert one en...

308017 9 Operation Pressure Relief Procedure WARNING SKIN INJECTION HAZARDThe system pressure must be manuallyrelieved to prevent the system fromstarting or dispensing accidentally. Fluid under high pressure can be injected through theskin and cause serious injury. To reduce the risk ofan injury fro...

10 308017 Operation Flush the Pump Before First Use The pump is tested with lightweight oil, which is left into protect the pump parts. If the fluid you are usingmay be contaminated by the oil, flush it out with acompatible solvent. See Flushing on page 11. Starting and Adjusting the Pump WARNING MO...

308017 11 Operation Starting and Adjusting the Pump (continued) 10. With the pump and lines primed, and with ade- quate air pressure and volume supplied, the pumpwill start and stop as you open and close thegun/valve. In a circulating system, the pump willspeed up or slow down on demand, until the a...

12 308017 Troubleshooting WARNING To reduce the risk of serious injury whenever youare instructed to relieve pressure, always follow thePressure Relief Procedure on page 9. 1. Relieve the pressure. 2. Check all possible problems and causes beforedisassembling the pump. PROBLEM CAUSE SOLUTION Pump fa...

14 308017 Service Required Tools D Torque wrench D Bench vise, with soft jaws D Rubber mallet D Hammer D O-ring pick D 13 mm (1/2 in.) dia. brass rod D Set of socket wrenches D Set of adjustable wrenches D Pipe wrench D Packing nut wrench (110, supplied) D Thread lubricant D Thread sealant Disconnec...

308017 15 Service Reconnecting the Displacement Pump 1. Make sure the coupling nut (104) and the couplingcollars (105) are in place on the displacement rod(1). See Fig. 4. 2. Orient the pump’s fluid outlet (8) to the air inlet(CC) as was noted in step 4 under Disconnectingthe Displacement Pump. Posi...

16 308017 Service Displacement Pump Service Disassembly When disassembling the pump, lay out all removedparts in sequence, to ease reassembly. NOTE: Repair Kit 222773 is available for DisplacementPumps 222790, 237206, 237450 and 246933. The kitincludes piston and intake seals and cylinder o-rings.Fo...

308017 23 Parts Model 222770, Series A10:1 Ratio Monark Pump (UHMWPE and PTFE Packed) Model 235626, Series A10:1 Ratio Monark Pump (PTFE Packed) Ref.No. Part No. Description Qty. 101 222791 AIR MOTOR, MonarkSee 307043 for parts 1 102 n 24B190 KIT, tie rod 3 103 184092 ROD, adapter 1 104 n 184059 NUT...

30 308017 Displacement Pump Parts NOTE: Refer to page 32 for the available throat packing kits. Model 222790, Series B Displacement Pump, UHMWPE and PTFE Packings Model 235540, Series A Displacement Pump, PTFE Packings Model 237206, Series A Displacement Pump, UHMWPE and PTFE Packings, Stubby Pump M...

32 308017 Throat Packing Kits UHMWPE and PTFE Throat Packing Repair Kit 222774, used on Displacement Pumps 222790, 237206, and 237450 Ref.No. Part No. Description Qty. 3 { 109302 V-PACKING; PTFE 2 4 { 184172 GLAND, female; sst 1 5 { 109252 V-PACKING; UHMWPE 3 6 { 184222 GLAND, male; sst 1 { These pa...

46 308017 Dimensions 0423A Model 222768 Shown A B C D E F Pump Model A B C D E (air inlet) F (fluid outlet) 222770, 235626 1188 mm (46.25 in.) 365 mm (14.35 in.) 826 mm (32.5 in.) 328 mm (12.9 in.) 3/8 npt(f) 3/4 npt(m) 222768, 246932 1251 mm (49.25 in.) 418 mm (16.45 in.) 832 mm (32.75 in.) 328 mm ...

308017 47 Mounting Hole Layout PRESIDENT PUMPS MONARK PUMPS 63.5 mm(2.50”) 22.2 mm(0.875”) 62.50 mm(2.461”) 38.5 mm(1.516”) 31.2 mm(1.230”) 54.1 mm(2.131”) 44.5 mm(1.750”) 7.1 mm(0.281”)diameter (2) 11.4 mm (0.449”) diameter (3) 63.5 mm(2.50”) 54.1 mm(2.130”) 31.25 mm(1.230”) 62.50 mm(2.461”) 7.9 mm...