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8

308639

Installation

F

C

A

Fig. 3

KEY

A

Air supply line

B

Bleed-type master air valve
(required for pump)

C Air regulator
D Air Line quick disconnect
E

Master air valve (for accessories)

F

Air line filter

J

Ball valve (for releasing collected moisture)

P

Muffler

T

Grounded air exhaust hose

U Container for remote air exhaust

E

D

VENTING EXHAUST AIR

60

T

U

06321

B

J

Summary of Contents for husky 3275

Page 1: ...275 Pump See page 20 This model is certified US and Foreign Patents Pending 308639L ENG Important Safety Instructions Read all warning and instructions in this manual Save these instructions Refer to...

Page 2: ...malfunction Use only genuine Graco parts and accessories D Check all equipment regularly and repair or replace worn or damaged parts immediately D Never exceed the recommended working pressure or the...

Page 3: ...e a fire or explosion and serious injury and property damage D To reduce the risk of static sparking ground the pump and all other equipment used or located in the work area Check your local electrica...

Page 4: ...first day of operation retorque the fasteners Although pump use varies a general guideline is to retorque fasteners every two months Grounding WARNING ELECTRIC SHOCK HAZARD This pump must be grounded...

Page 5: ...er air valve for accessories F Air line filter G Fluid suction hose H Fluid supply J Ball valve for releasing collected moisture L Fluid outlet hose N Air inlet port R Fluid inlet port S Fluid outlet...

Page 6: ...t to relieve trapped air See the WARNING above Locate another bleed type master air valve upstream from all air line accessories and use it to isolate the accessories during cleaning and repair c The...

Page 7: ...FLUID HAZARD Be sure to read and follow the USING HAZARDOUS FLUIDS and FIRE OR EXPLOSION HAZARD warnings on page 3 before you operate this pump Be sure the system is properly ventilated for your type...

Page 8: ...valve required for pump C Air regulator D Air Line quick disconnect E Master air valve for accessories F Air line filter J Ball valve for releasing collected moisture P Muffler T Grounded air exhaust...

Page 9: ...to be sure they are tight Be sure to use a compatible liquid thread sealant on all male threads 3 Place the suction tube if used in the fluid to be pumped NOTE If the inlet pressure to the pump is mor...

Page 10: ...ve the pressure before storing it for any length of time Use a compatible solvent WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressur...

Page 11: ...essure and clear valve Pump operates erratically Suction line is clogged Inspect clear Sticky or leaking check valve balls 201 Clean or replace See page 14 Diaphragm 301 is ruptured Replace See pages...

Page 12: ...out of the cavity Using a needle nose pliers pull the pilot block 16 straight up and out of the cavity 4 Pull the two actuator pistons 7 out of the bearings 8 Remove the u cup seals 9 from the pistons...

Page 13: ...ctuator piston 7 so the lips of the packings face the narrow end of the piston 6 Grease the u cup seals 9 Insert the actuator pistons in the bearings 8 wide end first Leave the narrow end of each pist...

Page 14: ...ues 2 Using a 15 mm socket wrench remove the bolts 54 holding the outlet manifold 50 to the fluid covers 51 3 Remove the seats 101 balls 201 and o rings 102 from the fluid covers 51 4 Remove the inlet...

Page 15: ...r equivalent NOTE A Fluid Section Service Kit is available See the Repair Kit Matrix on page 21 to find the correct kit for your pump Parts included in the kit are marked with an asterisk in the Parts...

Page 16: ...nd inspect for wear or damage Replace parts as needed Reassembly See Fig 8 1 Install each u cup seal 15 so the lips face away from the center of the pump Lubricate the u cup seals 2 Install a diaphrag...

Page 17: ...DE must face center housing 2 Grease Torque to 100 to 120 ft lb 136 to 163 NSm 4 06327 06328 52 57 13 13 15 1 14 2 1 1 14 14 52 57 303 5 3 3 3 4 4 1 1 301 2 62 62 63 64 63 63 64 06329A 2 Used only in...

Page 18: ...ove the air cover gaskets 10 Always replace the gaskets with new ones 7 Use a bearing puller to remove the diaphragm shaft bearings 13 piston actuator bearings 8 and push pin bearings 17 Do not remove...

Page 19: ...Service Fig 9 2 1 Press fit bearings flush with surface of center housing 2 Detail of Bearings 06331 1 1 2 10 27 Torque to 19 to 21 ft lb 26 to 28 NSm 06330 8 17 H 18 1 1 2 through hole must be on bo...

Page 20: ...atrix do not correspond to the reference numbers in the Parts Drawing and Parts Lists Diaphragm Pump Air Motor Fluid Section Seats Balls Diaphragms 232505 aluminum aluminum TPE acetal TPE D for all pu...

Page 21: ...hird digit is always K The remaining three digits define the materials of construction Parts included in the kit are marked with an asterisk in the Parts Drawing on page 22 for example 201 For example...

Page 22: ...54 24 60 1 54 51 50 Included in Air Valve Service Kit 238765 which may be purchased separately Kit includes 2 of 113554 Included in Fluid Section Service Kit See the Repair Kit Matrix on page 21 to fi...

Page 23: ...grounding 1 24 104582 WASHER tab 1 27 114193 SCREW mach hex washer head 16 Included in Air Valve Service Kit 238765 which may be purchased separately Kit includes 2 of 113554 Included in Fluid Section...

Page 24: ...page 21 to find the correct kit for your pump Technical Data Maximum fluid working pressure 120 psi 0 8 MPa 8 bar Air operating range 20 to 120 psi 0 14 to 0 8 MPa 1 4 to 8 bar Maximum air consumption...

Page 25: ...e fasteners 1 Left Right Fluid Cover Torque bolts to 55 60 ft lb 75 81 NSm SIDE VIEW 12 11 1 2 3 4 5 6 7 9 8 10 2 Inlet Manifold Torque bolts to 55 60 ft lb 75 81 NSm BOTTOM VIEW 14 13 16 18 15 17 3 O...

Page 26: ...D 24 5 in 622 5 mm 15 25 in 387 5 mm 0 185 in 5 mm Four 0 84 in 21 5 mm holes ANSI Eight 0 84 in 21 5 mm holes DIN Section A A A A Flanges are Flat Faced 3 4 npt f Air Inlet 1 npt f Air Exhaust muffle...

Page 27: ...Outlet Pressure psi MPa bar at a specific fluid flow gpm lpm and operating air pressure psi MPa bar 1 Locate fluid flow rate along bottom of chart 2 Follow vertical line up to intersection with select...

Page 28: ...4 MPa 1 4 bar air pressure 1 4 4 2 5 6 Test Conditions Pump tested in water with inlet submerged 7 0 9 8 AIR CONSUMPTION scfm cubic meters min 341 454 681 1022 2 8 8 4 C D To find Pump Air Consumption...

Page 29: ...29 308639 Notes...

Page 30: ...the date of sale Graco makes no warranty and disclaims all implied warranties of merchantability and fitness for a particular purpose in connection with accessories equipment materials or components...

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