Graco 233500 Instructions-Parts List Manual
Graco 233500 Instructions-Parts List Manual

Graco 233500 Instructions-Parts List Manual

Diaphragm pump

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Instructions – Parts List
Parts
1:1 RATIO
TRITONt 308
Diaphragm Pump
115 psi (0.8 MPa, 8 bar) Maximum Fluid Working Pressure
115 psi (0.8 MPa, 8 bar) Maximum Air Input Pressure
Part No. 233500 Aluminum Pump, Series A, npt threads
Part No. 233501 Stainless Steel Pump, Series A, npt threads
Part No. 233776 Aluminum Pump, Series A, BSPP threads
Part No. 233777 Stainless Steel, Series A, BSPP threads
U.S. and Foreign Patents Pending
Read warnings and instructions.
See page 2 for Table of Contents.
Part No. 233501 Shown
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
Copyright 2001, Graco Inc. is registered to I.S. EN ISO 9001
309303C
ti1029a

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Summary of Contents for Graco 233500

  • Page 1 U.S. and Foreign Patents Pending Read warnings and instructions. See page 2 for Table of Contents. Part No. 233501 Shown ti1029a GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441 Copyright 2001, Graco Inc. is registered to I.S. EN ISO 9001...
  • Page 2: Table Of Contents

    ..... . or destruction of equipment if you do not follow the Graco Toll-Free Phone Numbers ....
  • Page 3: Safety Warnings

    D Read all instruction manuals, tags, and labels before operating the equipment. D Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor. D Do not alter or modify this equipment. Use only genuine Graco parts and accessories.
  • Page 4 WARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor air ventilation, open flames, or sparks can cause a hazardous condition and result in fire or explosion and serious injury. D Ground the equipment. Refer to Grounding on page 7. D If there is any static sparking or you feel an electric shock while using this equipment, stop pump- ing immediately.
  • Page 5 WARNING PRESSURIZED FLUID HAZARD Spray from the gun, hose leaks, or ruptured components can splash fluid in the eyes or on the skin and cause serious injury. D Do not stop or deflect fluid leaks with your hand, glove, or rag. D Follow the Pressure Relief Procedure on page 11 before cleaning, checking, or servicing the equipment.
  • Page 6: Installation

    D Always use Genuine Graco Parts and Accessories, 1. Read TOXIC FLUID HAZARD on page 5. available from your Graco distributor. If you supply your own accessories, be sure they are adequately 2.
  • Page 7 Installation Grounding WARNING FIRE AND EXPLOSION HAZARD This pump must be grounded. Before operating the pump, ground the system as explained below. Also read the sec- tion FIRE AND EXPLOSION HAZARD on page 4. To reduce the risk of static sparking, ground the pump and all other equipment used or located in the pumping area.
  • Page 8 Installation Air Line b. Locate a bleed-type master air valve (B) close to the pump, to relieve trapped air. See the WARNING at left. Locate another air valve (E) WARNING upstream from all air line accessories, to isolate them during cleaning and repair. A bleed-type master air valve (B) is required in your system to relieve air trapped between this valve and the pump.
  • Page 9 Installation Wall Mount HVLP Spray Installation Shown TRITON 308 Pump Bleed-type master air valve (required for pump) Air supply line Air line filter Air line shutoff valve Pump air regulator G Gun air regulator (used in spray system only) Fluid pressure regulator (used in spray system only) Drain/circulation valve Drain tube...
  • Page 10 Installation Fluid Suction Line CAUTION D Screw the suction line (L) into the pump inlet (M) Some systems may require installation of a pressure snugly. Use a compatible liquid thread sealant on relief valve at the pump outlet to prevent overpres- connections to prevent air from getting into the fluid surization and rupture of the pump or hose.
  • Page 11: Operation

    Operation Pressure Relief Procedure 4. Check all fittings to be sure they are tight. Use a compatible liquid thread sealant on all male threads. Tighten the fluid inlet and outlet fittings WARNING snugly. Do not overtighten the fittings. The system remains pressurized until pressure is 5.
  • Page 12: Maintenance

    Maintenance Tightening Threaded Connections Storage Before each use, check all hoses for wear or damage. Replace as necessary. Check that all threaded con- Before storing the pump, always flush it and relieve nections are tight and leak-free. pressure. Cleaning Clean the outside of the equipment daily, using a soft Preventive Maintenance Schedule cloth and compatible solvent.
  • Page 13 Troubleshooting PROBLEM CAUSE SOLUTION Pump runs sluggishly. Worn or damaged carriage o-rings. Service air valve. See page 18. Pump runs erratically. Clogged suction line or inlet strainer. Clear. Sticking or leaking ball check Disassemble and clean ball checks. valves. Replace worn parts. See page 16. Pump runs too fast.
  • Page 14: Remove The Fluid And Side Covers

    Service Remove the Fluid and Side Covers 3. Remove the pump from its mounting. Tools Required CAUTION D Torque wrench Be careful that the ball checks do not fall out when D 2.5 mm allen wrench you remove the fluid covers (32). D 6 mm allen wrench D Adjustable wrench 4.
  • Page 15 Service Remove the Fluid and Side Covers Align 70 in-lb (8 NSm) (continued) 28 in-lb (3.1 NSm) Replace seals whenever cover (32) is removed. Reassembly 1. Clean all parts and inspect for wear or damage. Replace parts as needed. 2. If necessary, reinstall the felt dampener (29) and side cover (31).
  • Page 16: Ball Check Repair

    Service Ball Check Repair Reassembly 1. Reinstall the inlet and outlet ball checks on one Tools Required side of the pump. The inlet and outlet checks are D O-ring pick assembled differently. Install the parts exactly as Disassembly shown in Fig. 4. NOTE: Ball Check Repair Kit 245067 is available.
  • Page 17: Diaphragm Repair

    Service Diaphragm Repair 3. Thread an M8 hexnut (A) onto an M8 bolt. Screw the bolt into the shaft (5) until it bottoms out. Tools Required Thread the nut down to the shaft to lock it. D M8 bolt D M8 hexnut 4.
  • Page 18: Air Valve Repair

    Service Air Valve Repair 5. Remove the retaining rings (11) and plug (9) from both sides, and slide the carriage (7) from the Tools Required center housing (1). Remove the o-rings (8, 10) from the carriage and the plug. D 3 mm allen wrench D Needlenose pliers 6.
  • Page 19 Service Air Valve Repair (continued) 4. Lubricate the large o-ring (15{) and the two small o-rings (14{) and install them on the air valve plate Reassembly (13{). Align the point on the plate with the arrow on the center housing (1) as shown in Fig. 6. 1.
  • Page 20: Shaft Repair

    Service Shaft Repair 7. If you could not remove one diaphragm from the shaft, place the shaft in a vise with soft jaws. Tools Required Unscrew the remaining diaphragm (6) from the D Needlenose pliers shaft (5) by hand. D O-ring pick 8.
  • Page 21 Service Shaft Repair (continued) 70 in-lb (8 NSm) Lubricate Align 28 in-lb (3.1 NSm) Align. See Fig. 6. 24{l {l24 24{l ti1035a Fig. 8 309303...
  • Page 22: Parts

    Parts Part No. 233500 Aluminum Pump, Series A, npt threads Part No. 233501 Stainless Steel Pump, Series A, npt threads Part No. 233776 Aluminum Pump, Series A, BSPP threads Part No. 233777 Stainless Steel Pump, Series A, BSPP threads NOTE: Purchase items 36–39 locally.
  • Page 23 Parts Part No. 233500 Aluminum Pump, Series A, npt threads Part No. 233501 Stainless Steel Pump, Series A, npt threads (Shown) Part No. 233776 Aluminum Pump, Series A, BSPP threads Part No. 233777 Stainless Steel Pump, Series A, BSPP threads...
  • Page 24: Technical Data

    16 ft (4.8 m) dry; 22 ft (6.5 m) wet Weight Part Nos. 233500, 233776: 9 lb (4 kg) Part Nos. 233501, 233777: 14 lb (6.4 kg) Wetted parts Part Nos. 233500, 233776: Aluminum, Stainless Steel, Acetal, Nylon, r, Vitonr PTFE r, Vitonr PTFE Part Nos.
  • Page 25: Dimensions

    Dimensions BOTTOM VIEW 4.53 in. 3/8 npt or 3/8 BSPP Fluid Outlet (115 mm) Two 0.35 in. (9 mm) diameter holes, for mounting pump 1/4 npt or 1/4 BSPP Air Inlet 3/4 npt or M26 x 1.5 (BSPP) Fluid Inlet 4.1 in.
  • Page 26: Graco Standard 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:

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