Hitachi 236464 - Manual

308350 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 7. D If there is any static spar...

308350 7 Installation General Information NOTE: Reference numbers and letters in parentheses in the text refer to the callouts in the figures and theparts drawing. NOTE: Always use Genuine Graco Parts and Acces- sories, available from your Graco distributor. Refer toProduct Data Sheet, Form No. 3057...

308350 9 Installation 04496 Fig. 2 KEY A Pump B Wall Bracket C Pump Runaway Valve D Air Line Lubricator E Bleed-Type Master Air Valve(required, for pump) F Pump Air Regulator G Air Manifold H Electrically Conductive Air Supply Hose J Air Line Filter K Bleed-Type Master Air Valve(for accessories) L F...

10 308350 Operation/Maintenance Pressure Relief Procedure WARNING INJECTION HAZARD The system pressure must be manuallyrelieved to prevent the system fromstarting or spraying accidentally. Fluid under high pressure can be injected through theskin and cause serious injury. To reduce the risk ofan inj...

308350 11 Operation/Maintenance 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 12. Starting and Adjusting the Pum...

12 308350 Operation/Maintenance Shutdown and Care of the Pump WARNING To reduce the risk of serious injury whenever youare instructed to relieve pressure, always follow the Pressure Relief Procedure on page 10. For overnight shutdown, stop the pump at the bottomof its stroke to prevent fluid from dr...

308350 13 Troubleshooting Chart WARNING To reduce the risk of serious injury whenever youare instructed to relieve pressure, always follow the Pressure Relief Procedure on page 10. 1. Relieve the pressure. 2. Check all possible causes and problems beforedisassembling the pump. PROBLEM CAUSE SOLUTION...

14 308350 Service Required Tools D Set of adjustable wrenches D Large pipe wrench D 2–3/4 in. socket wrench D Torque wrench D Rubber mallet D O-ring pick D Large vise D Plastic or wooden block, approximately 6 in. square x 1 in. thick D Thread lubricant D Thread sealant Disconnecting the Displacemen...

16 308350 Service DISPLACEMENT PUMP SERVICE Disassembly When disassembling the pump, lay out all the removedparts in sequence, to ease reassembly. NOTE: Packing Repair Kits are available. For the best results, use all the new parts in the kit. Kit parts aremarked with an asterisk, for example (3*). ...

18 308350 Service Reassembly 1. If it was necessary to remove the piston ballhousing (9) from the displacement rod (1), clean the threads of the rod and the ball housing, andapply thread sealant. Screw the ball housing ontothe rod, hand tight. Place the flats of the piston ballhousing in a vise and ...

308350 21 Parts Part No. 237634 Pump, Series A41:1 Ratio, with Bulldog Air Motor Ref.No. Part No. Description Qty. 101 208356 AIR MOTOR, BulldogSee 307049 for parts 1 102 Y 176529 LABEL, warning 1 105 { 190000 ROD, tie; 224 mm (8.82”)shoulder to shoulder 3 106 { 186925 NUT, coupling 1 107 { 184129 C...

24 308350 Packing Kits Leather Packing Kit 237234, for Standard Displacement Pump 236458, Series A Ref Part No. No. Description Qty 3* 184222 GLAND, male; stainless steel 2 4* 184172 GLAND, female; stainless steel 2 18* 109302 V-PACKING; PTFE r 2 19* 184302 V-PACKING; leather 8 * Kit also includes i...

28 308350 Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on thedate of sale by an authorized Graco distributor to the original purchaser for use. With the exception of any special, extended, or limit...