Graco 2730B Instructions Manual Download Page 3

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Equipment Misuse Hazard:

Misuse of pressure

washer or accessories can cause the equipment to
rupture or malfunction and result in serious injury.

Do not alter or modify any part or factory–set ting

Check equipment daily. Repair or replace worn

or damaged parts immediately.

Do not exceed maximum working pressure (MWPR) of the lowest–

rated system component

Use fluids and solvents that are compatible with the equipment

wetted parts. See Specifications on page for this information.

Wear hearing protection when operating this equipment.

Do not “blow back” fluid; this is not an air spray system

Pressure Relief

before cleaning, checking or servicing the

equipment.

Injection Hazard:

Spray from gun, leaks or

ruptured components can inject fluid into your body

and cause serious injury. Fluid splashed in eyes or

on skin can also cause serious injury.

Fluid injected into the skin might look like just a

cut, but it is a serious injury.

Get emergency

medical attention.

Do not point the gun at anyone or any part of the

body.

Do not stop or deflect leaks with hand, body, glove, or rag.

Do not put your hand or fingers over the spray tip.

TIghten fluid connections before you start this equipment.

Engage the gun safety whenever you stop spraying.

Pressure Relief Procedure

on page 7 if the spray tip

clogs and before you clean, check or service this equipment.

Repair or replace worn or damaged parts immediately.

Check hoses, tubes, and couplings daily. Do not repair high–pres-

sure couplings. Replace entire hose. Fluid hoses must have
spring guards on both ends to prevent kinks and rupture.

TOXIC FLUID HAZARD:

Hazardous fluid or toxi

fumes can cause serious injury or death if
splashed in eyes or on skin, inhaled, or
swallowed.

Know specific hazards of fluids you are

using and take protective measures as
recommended by the fluid and solvent
manufacturer.

Fuel Hazard:

The fuel used in this pressure

washer is combustible. When spilled on a hot
surface it can ignite and cause a fire.
Do not fill fuel tank while engine is running or hot.

Exhaust Hazard:

The exhaust contains poisonous

carbon monoxide, which is colorless and odorless.
Do not operate this equipment in a closed building.

309286

Summary of Contents for 2730B

Page 1: ...18 6 MPa Operating Pressure 3000 psi 206 bar 20 6 MPa Maximum Working Pressure 3030 Model 244391 Series A 3000 psi 206 bar 20 6 MPa Operating Pressure 3300 psi 227 5 bar 22 75 MPa Maximum Working Pressure 3340 Model 244392 Series A 3300 psi 227 5 bar 22 75 MPa Operating Pressure 3600 psi 248 bar 24 8 MPa Maximum Working Pressure 3540 Model 244393 Series A 3500 psi 241 bar 24 1 MPa Operating Pressu...

Page 2: ... 15 Pump Service 21 Parts List 27 Parts Drawing 26 Graco Phone Number 32 Warning Symbol WARNING This symbol alerts you to the possibility of serious injury or death if you do not follow instructions Caution Symbol CAUTION This symbol alerts you to the possibility of damage to or destruction of equipment if you do not follow instruc tions ...

Page 3: ...yone or any part of the body DDo not stop or deflect leaks with hand body glove or rag DDo not put your hand or fingers over the spray tip DTIghten fluid connections before you start this equipment DEngage the gun safety whenever you stop spraying DFollow Pressure Relief Procedure on page 7 if the spray tip clogs and before you clean check or service this equipment DRepair or replace worn or damag...

Page 4: ...on D Gun and wand Oil Level Site Gauge High Pressure Hose Connection Hose On Off Engine Switch side Water Pump Oil Fill Engine Oil Fill Pressure Unloader Adjustment Knob Tip Storage Hose Rack a Gun Holder b b a Garden Hose Connection ...

Page 5: ...mp outlet and gun inlet Both of these connections are made with quick couplers Install Spray Tip Install the spray tip on the wand Installing and Changing Spray Tips page 15 If you are using a Sandblast ing Kit see its separate manual for installation instructions Up to 100 ft 30 m of 3 8 high pressure hose may be used Longer hoses could affect pressure washer and chemical injector performance bal...

Page 6: ...et water pressure is over 60 psi 4 1 bar a regulating water valve must be installed at the garden hose connection Do not exceed 160_F 70_C inlet water temperature NOTE The water source must have a minimum flow rate equal to that of the pressure washer Connect hose with at least a 3 4 in 19 mm ID from the water supply to the 3 4 in garden hose inlet on the pressure washer The supply hose should not...

Page 7: ...w these instructions whenever you are instructed to relieve pressure stop spraying for more than 10 minutes check or service the equipment or install or clean the spray nozzle 1 Engage trigger safety latch 2 Turn pressure washer off ...

Page 8: ...ge trigger safety latch and trigger the gun to relieve pressure Then re engage the safety latch Note If you suspect that the spray tip or hose is clogged or that pressure has not been fully relieved after following the steps above disengage the trigger safety latch and trigger the gun to relieve pressure ...

Page 9: ...gun is bumped or triggered accidentally D Always observe the CAUTIONS in this section to avoid costly damage to the pressure washer D If you use the Sandblaster Kit see the Sandblaster Kit Manual for detailed cleaning information Operation NOTE All Honda engine powered pressure washers are equipped with an engine low oil sensor that shuts the engine off if the oil level falls below a certain level...

Page 10: ...equipped with a thermal over load to help prevent severe damage Operation FIRE HAZARD Do not refuel a hot engine Refueling a hot engine could cause a fire Use only fresh clean regular or unleaded gasoline Close the fuel shutoff valve during refueling WARNING Oil level Fuel level NOTE It is important to drain and refill the pump oil after the first 50 hours of operation ...

Page 11: ...m 6 Open fuel shutoff valve Be sure the spark plug ignition cable is pushed firmly onto the spark plug 7 Put the switch in the ON position and the throttle at HALF throttle Never run pressure washer without water Costly damage to the pump will result Always be sure the water supply is completely turned on before you run the pressure washer CAUTION ...

Page 12: ... causes the recirculating water to overheat and serious damage to pump Turn off pressure washer if it will not be spraying at least every 10 minutes If heated inlet water is used reduce this time more Do not operate pressure washer with inlet water screen removed This screen helps keep abrasive sediment out of pump which could clog pump or damage cylinders Keep screen clean Do not pump caustic mat...

Page 13: ...D If engine is warm start engine with choke completely open or partially closed When engine starts open choke completely Trigger Safety Latch Always engage the safety latch when you stop spraying engaged disengaged Always engage the trigger safety latch when you stop spraying even for a moment The engaged safety latch prevents the gun from being triggered accidentally by hand or when dropped or bu...

Page 14: ...orifice chemical tip Instal ling and Changing Spray Tips page 15 The large orifice of the chemical tip causes a drop in pressure that actuates the chemical injector Changing back to a small orifice spray tip deactivates the chemi cal injector and produces high pressure for rinsing The chemical filter can be left in the chemical container during high pressure use To regulate the flow rate of the ch...

Page 15: ... anyone else 3 Without holding your hand over the spray tip A pull back the quick coupler ring B Remove the current tip install a differ ent one Then push the ring back on Installing and Changing Spray Tips Spray Tip Number Spray Pattern Fan Angle 00XXX 15XXX 25XXX 40XXX Chemical 0_ blaster red 15_ yellow 25_ green 40_ white XX_ black NOTE The chemical injector tip is brass and has a large opening...

Page 16: ... washer thaw it in a warm room before you try to start it Do not pour hot water on or into the pump it could crack the ceramic plungers D If the pressure washer will be exposed to freezing temperatures drain all water out of the pump If it must be stored in freezing temperatures flush the pressure washer with a 50 antifreeze solution and relieve the pressure Flush the pressure washer before you us...

Page 17: ... D After each use wipe all surfaces of the pressure washer with a clean damp cloth D Before you store the pressure washer overnight or transport it disconnect the water supply and turn off the fuel supply valve ...

Page 18: ... oil After every 25 hours of operation Clean and remove air cleaner foam Wash with water and detergent Dry thoroughly Rub with oil and squeeze to distribute oil After first 50 hours of operation Change pump break in oil Use Use approved SAE 20 30 pump oil After every 100 hours of operation or every 3 months Clean or replace paper air cleaner cartridge Tap gently to remove dirt Change engine oil Us...

Page 19: ...minutes and restart Engine misses or l k Partially plugged air cleaner filter Remove and clean lacks power Valve adjustment lash worn Adjust valve lash to manufacturer s specification Spark plug dirty wrong gap or wrong type Clean adjust gap or replace Pressure is too low d Worn or wrong size tip Replace with tip of proper size and or pump runs roughly Inlet filter clogged Clean Check more frequen...

Page 20: ...t exceed 160_F 70_C Overpressurizing pump Do not modify any factory set adjustments Excessive pressure due to partially plugged or damaged tip Clean or replace tip See Installing and Changing Spray Tips page 15 Pump running too long without spraying Never run pump more than 10 minutes without spraying Running pump dry Do not run pump without water Strong surging at inlet and low pressure on discha...

Page 21: ...rs from the manifold using a 5 mm wrench 2 Carefully separate the manifold from the crankcase NOTE You might have to tap the manifold lightly with a soft mallet to loosen it CAUTION To avoid damage to the plunger or seals keep the manifold properly aligned with the ceramic plungers when you remove it 3 Carefully examine each plunger for any scoring or cracking and replace as necessary Servicing th...

Page 22: ...rvicing the V Packings 1 Remove the manifold as outlined in Pumping Section on page 21 2 Carefully pull the packing retainer from the manifold Examine the O ring and replace if cut or dam aged 3 Remove the V packing and head ring Pull out the intermediate retainer ring Remove the second V packing and second head ring 4 Inspect all parts and replace as necessary 5 Thoroughly clean the packing cavit...

Page 23: ... crankcase NOTE You might have to tap the manifold lightly with a soft mallet to loosen it CAUTION To avoid damage to the plunger or seals keep the manifold properly aligned with the ceramic plungers when you remove it 3 Carefully examine each plunger for any scoring or cracking and replace as necessary Servicing the Plungers NOTE Plunger Repair Kit 243430 is available to replace retainers O rings...

Page 24: ...of packing kits One is packings only The other includes the packings rings and retainers 1 Remove the manifold as outlined in Pumping Section on page 23 2 Carefully pull the packing retainer from the manifold Examine the O ring and replace if cut or dam aged 3 Remove the V packing and head ring Pull out the intermediate retainer ring Remove the second V packing and second head ring 4 Inspect all p...

Page 25: ...25 309286 Notes ...

Page 26: ...arts for 2730B Pressure Washer Model Nos 244389 Series A with Briggs Stratton 6 5 HP Motor 4 14 5 8 12 16 25 19 26 7 38 15 17 3 23 21 20 22 2 27 18 28 32 30 33 31 34 25 13 internal replacement parts 29 37 1 35 39 ...

Page 27: ... STRAINER 1 15 116342 CAP end 2 16 110837 SCREW 4 17 111040 NUT 4 18 197428 COUPLING quick release 1 19 116411 SPRING compression 2 Ref No Part No Description Qty 20 801546 SCREW cap 2 21 100132 WASHER flat 2 22 101566 NUT lock 2 23 801504 FOOT rubber 2 25 197792 KEY square 1 26 116477 WASHER nylon 2 27 244803 KIT repair unloader pre set 2700 1 28 116460 VALVE thermal 1 29 244741 KIT repair chemic...

Page 28: ...286 Parts for 2730H Pressure Washer Model Nos 244390 Series A with Honda 6 5 HP Motor 38 15 7 26 19 17 25 16 20 21 23 3 13 5 4 8 12 22 2 27 18 28 32 30 33 31 34 25 14 internal replacement parts 35 29 37 1 39 ...

Page 29: ...nd 2 16 110837 SCREW 4 17 111040 NUT nylock 4 18 197428 COUPLING quick release 1 Ref No Part No Description Qty 19 116411 SPRING compression 2 20 801546 SCREW cap 2 21 100132 WASHER flat 2 22 101566 NUT lock 2 23 801504 FOOT rubber 2 24 116460 VALVE thermal 3 8 NPT 1 25 197792 KEY square 1 26 116477 WASHER nylon 2 27 244803 KIT unloader preset 2700 1 28 116460 VALVE thermal 1 29 244741 KIT repair ...

Page 30: ... 244391 Series A with Honda 9 HP Motor Model Nos 244392 Series A with Honda 11 HP Motor Model Nos 244393 Series A with Honda 13 HP Motor 4 13 5 14 39 15 26 19 7 17 16 25 22 23 21 20 2 27 18 8 12 28 25 32 30 33 31 internal replacement parts 34 38 3 1 37 29 35 40 ...

Page 31: ...p 4 pack 1 12 805634 TIP spray chemical 1 13 801683 STRAINER 1 14 116606 TUBING chemical 5 16 in ID X 8 ft 1 15 116342 CAP end 2 16 110837 SCREW 4 Ref No Part No Description Qty 17 111040 NUT 4 18 197428 COUPLING quick release 1 19 116411 SPRING compression 2 20 801546 SCREW cap 2 21 100132 WASHER flat 2 22 101566 NUT lock 2 23 801504 FOOT rubber 2 25 801137 KEY square 1 26 116477 WASHER nylon 2 2...

Page 32: ... call this number to identify the distributor closest to you 1 800 690 2894 Toll Free All written and visual data contained in this document reflect the latest product information available at the time of publication Graco reserves the right to make changes at any time without notice Sales Offices Minneapolis Detroit International Offices Belgium Korea Hong Kong Japan GRACO INC P O BOX 1441 MINNEA...

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Graco 2730B, Instructions Manual, Page: 3 / 32

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