Page 2 - Warnings; Warning Symbol; Caution Symbol; CAUTION; EQUIPMENT MISUSE HAZARD; WARNING
2 308639 Warnings Warning Symbol WARNING This symbol alerts you to the possibility of seriousinjury or death if you do not follow the instructions. Caution Symbol CAUTION This symbol alerts you to the possibility of damage toor destruction of equipment if you do not follow theinstructions. EQUIPMENT...
Page 4 - Installation; General Information; Tightening Screws Before First Use
4 308639 Installation General Information D The Typical Installation shown in Fig. 2 is only aguide for selecting and installing systemcomponents. Contact your Graco distributor forassistance in planning a system to suit your needs. D Always use genuine Graco parts and accessories. D Reference numbe...
Page 6 - Mountings; Air Line; Fluid Lines
6 308639 Installation Mountings CAUTION The pump exhaust air may contain contaminants.Ventilate to a remote area if contaminants couldaffect your fluid supply. See Air Exhaust Ventila-tion on page 7. D Be sure the mounting can support the weight of thepump, hoses, and accessories, as well as thestre...
Page 7 - hanging Manifold Orientation; Air Exhaust Ventilation
7 7 308639 Installation C hanging Manifold Orientation (See Fig. 6 on page 14) The outlet manifold (50) and inlet manifold (53) can berotated to best suit your installation needs. The pumpis shipped with the inlet and outlet facing in the samedirection. 1. Remove the screws (54) from each end of the...
Page 9 - Operation; Pressure Relief Procedure; Flush the Pump Before First Use; Pump Shutdown
9 9 308639 Operation Pressure Relief Procedure WARNING To reduce the risk of serious injury, includingsplashing fluid in the eyes or on the skin, follow thisprocedure whenever you are instructed to relievepressure, when you shut off the pump, and beforeyou check, adjust, clean, move, or repair anysy...
Page 10 - Maintenance; Lubrication; Flushing and Storage; Tightening Connections
10 308639 Maintenance Lubrication The air valve is designed to operate unlubricated. If lubrication is desired, every 500 hours of operation(or monthly), remove the hose from the pump air inletand add two drops of machine oil to the air inlet. CAUTION Do not over-lubricate the pump. Excess oil is ex...
Page 11 - Troubleshooting
11 11 308639 Troubleshooting To reduce the risk of serious injury, including splashing fluid in the eyes or on the skin, follow the PressureRelief Procedure on page 9. You must do this whenever this manual instructs you to relieve pressure, whenyou shut off the pump, and before checking, adjusting, ...
Page 12 - Service; Repairing the Air Valve
12 308639 Service Repairing the Air Valve Tools Required D Torque wrench D 7-mm or 9/32-in. socket wrench or Torx R screwdriver T20 D Needle-nose pliers D O-ring pick D Lithium-base grease, Part No. 111920 (Lubriplate630AA or equivalent) NOTE: Air Valve Service Kit 238765 is available.Parts included...
Page 14 - Ball Check Valve Repair
14 308639 Service Ball Check Valve Repair Tools Required D Torque wrench D 15-mm socket wrench D O-ring pick NOTE: A Fluid Section Service Kit is available. Seethe Repair Kit Matrix on page 21 to find the correct kitfor your pump. Parts included in the kit are markedwith an asterisk in the Parts Dra...
Page 15 - Diaphragm Repair
15 15 308639 Service Diaphragm Repair Tools Required D Torque wrench D 15-mm socket wrench D 15/16-in. socket wrench D 7/8 in. open–end wrench D O-ring pick D Lithium-base grease, Part No. 111920 (Lubriplate630AA or equivalent) NOTE: A Fluid Section Service Kit is available. Seethe Repair Kit Matrix...
Page 20 - Pump Matrix; Husky 3275 Pumps, Series C
20 308639 Pump Matrix Husky 3275 Pumps, Series C Your Model No. is marked on the pump’s serial plate. To determine the Model No. of your pump from the followingmatrix, select the six digits that describe your pump, working from left to right. The first digit is always D,designating Husky diaphragm p...
Page 21 - Repair Kit Matrix; For Husky 3275 Pumps, Series C
21 21 308639 Repair Kit Matrix For Husky 3275 Pumps, Series C Repair kits may be ordered separately. To repair the air valve, order the Air Valve Service Kit, Part No. 238765(see page 23). Parts included in the Air Valve Service Kit are marked with a symbol in the Air Motor Parts List, forexample (3...
Page 22 - Parts Drawing
06316A 1 2 3 { 5 6 7 8 { 9 10 11 12 { 13 14 *15 { 16 17 19 { 18 20 { 23 27 53 56 52 57 55 58 54 54 61 102* 101* 102* 101* 201* 201* 301* 54 24 60 1 54 51 50 { Included in Air Valve Service Kit 238765, whichmay be purchased separately. Kit includes 2 of113554. * Included in Fluid Section Service Kit....
Page 23 - Parts Lists; Fluid Section Parts List (Matrix Column 3)
23 23 308639 Parts Lists Air Motor Parts List (Matrix Column 2) Digit Ref.No. Part No. Description Qty. K 1 190827 COVER, air; aluminum 2 2 190826 HOUSING, center;aluminum 1 3 { 113554 SCREW, mach, Torx R , hex flange hd; M5 x 0.8 x 16 mm (0.63”); SST 10 5 190831 COVER, valve; aluminum 1 6 240222 MA...
Page 24 - Technical Data
24 308639 Parts Lists Seat Parts List (Matrix Column 4) Digit Ref.No. Part No. Description Qty. 3 101* 190840 SEAT; 316 SST 4 102* 113449 O-RING; PTFE 4 5 101* 190837 SEAT; TPE 4 102* 113449 O-RING; PTFE 4 6 101* 190836 SEAT; Santoprene R 4 102* 113449 O-RING; PTFE 4 G 101* 194217 SEAT; Geolast R 4 ...
Page 25 - Torque Sequence
25 25 308639 Torque Sequence Always follow torque sequence when instructed to torque fasteners. 1. Left/Right Fluid CoverTorque bolts to 55–60 ft–lb (75–81 N S m) SIDE VIEW 12 11 1 2 3 4 5 6 7 9 8 10 2. Inlet ManifoldTorque bolts to 55–60 ft–lb (75–81 N S m) BOTTOM VIEW 14 13 16 18 15 17 3. Outlet M...
Page 26 - Dimensional Drawings
26 308639 Dimensional Drawings 7.9 in. (200 mm) O.D. 4.1 in. (104 mm) FRONT VIEW 12 in. (305 mm) 30.5 in. (774 mm) 28.6 in. (727 mm) 20.3 in. (516 mm) Fluid inlet (bottom manifold) and fluid outlet (top manifold): 3.25 in. (83 mm) dia. I.D. 24.5 in. (622.5 mm) 15.25 in. (387.5 mm) 0.185 in. (5 mm) F...
Page 27 - Performance Charts; Aluminum Husky 3275 Fluid Outlet Pressure
27 27 308639 Performance Charts Aluminum Husky 3275 Fluid Outlet Pressure 0 20 40 60 80 100 120 140 0 30 60 90 120 150 180 210 240 270 (114) (227) (568) (795) (0.14, 1.4) (0.41, 4.1) FLUID FLOW––gpm (lpm) (908) (0.7, 7) (0.8, 8) (0.98, 9.8) A at 120 psi (0.8 MPa, 8 bar) air pressure B at 100 psi (0....
Page 28 - Aluminum Husky 3275 Air Consumption
28 308639 Performance Charts ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË ËËËË Ë...
Page 29 - Notes
Page 30 - Graco Warranties; Graco Standard Husky Pump Warranty; Graco Information
30 308639 Graco Warranties Graco Standard Husky Pump 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 to the original purchaser for use. With the exception of any special, extended, or limited warr...