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INSTRUCTIONS
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
Direct-Drive Pressure Washers
2730B
Model 244389, Series A with Briggs & Stratton 6.5 HP Motor
2700 psi (186 bar, 18.6 MPa) Operating Pressure
3000 psi (206 bar, 20.6 MPa) Maximum Working Pressure
2730H
Model 244390, Series A with Honda 6.5 HP Motor
2700 psi (186 bar, 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 Pressure
3800 psi (262 bar, 26.2 MPa) Maximum Working Pressure
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
ECOPYRIGHT 2001 GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
First choice when
quality counts.t
3340 Pressure Washer
Model 244392 Shown
309286
Rev. B
7329B
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Summary of Contents for Graco 2730B
- Page 1 3500 psi (241 bar, 24.1 MPa) Operating Pressure 3800 psi (262 bar, 26.2 MPa) Maximum Working Pressure 7329B 3340 Pressure Washer Model 244392 Shown GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 ECOPYRIGHT 2001 GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...
- Page 2 ....... . . CAUTION Graco Phone Number ......
- Page 3 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.
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Page 4: Component Identification
Component Identification Hose Hose Rack (a)/Gun Holder (b) Gun and wand On/Off Engine Switch (side) Tip Storage High Pressure Hose Connection Garden Hose Engine Oil Fill Connection Pressure Unloader Water Pump Oil Fill Oil Level Site Gauge Adjustment Knob 309286... - Page 5 Setup Shipping Damage Check the pressure washer for shipping damage. Notify the carrier immediately if there is any damage. Connect High–Pressure Hose and Gun Connect the high–pressure hose between the pump outlet and gun inlet. Both of these connections are made with quick couplers. CAUTION Up to 100 ft (30 m) of 3/8”...
- Page 6 Connect to Water Supply 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 be more than 50 ft (15 m) long. CAUTION Before you connect the garden hose to the pressure washer, check your local plumbing code regarding cross–connection to the water supply.
- Page 7 PRESSURE RELIEF Follow 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 309286...
- Page 8 3. Remove ignition cable from spark plug. 4. Shut off water supply. Disconnect from water. 5. Disengage 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 Operation Startup Always use this startup procedure to ensure that the pressure washer is started safely and properly. Always engage the gun trigger safety latch when you stop spraying. This reduces the risk of fluid injection or splashing in the eyes or on the skin if the gun is bumped or triggered accidentally. Always observe the CAUTIONS in this section to avoid costly damage to the pressure washer.
- Page 10 Operation WARNING 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. 2. Check fuel level. Fuel level Check oil level in pump. It should be half way up the sight glass located on the front of the pump.
- Page 11 Turn on water supply. CAUTION 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. Trigger the gun until a constant stream of water sprays from the tip indicating the air is purged from the system.
- Page 12 CAUTION Do not allow pressure washer to idle for more than 10 minutes. This 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.
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Page 13: Trigger Safety Latch
NOTE: For easier starting, have one person start pressure washer while another triggers gun. If engine is cold, start engine with choke completely closed. In cool weather, you might have to let en gine run with choke closed for first 10-30 seconds. In warm weather, open choke completely as soon as engine starts. - Page 14 Chemical Injector Operation Follow Pressure Relief Procedure (page 7). Insert chemical filter (attached with clear tubing to chemical injector) into the container of chemical. Insert brass coupler into chemical injector. Install the black, large–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.
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Page 15: Installing And Changing Spray Tips
Installing and Changing Spray Tips Spray tips have 4– or 5–digit numbers on them. Spray Pattern Fan Angle Spray Tip The first two digits are the spray angle. Tip Number holding holes are provided on the chassis. 00XXX 0_ blaster (red) 15XXX 15_ (yellow) 25XXX... - Page 16 CAUTION To avoid blowing the O-ring out of the quick coupler due to the high pressure in the system, never operate the pressure washer without a tip securely mounted in the quick coupler. Shutdown, Flushing, and Storage CAUTION If water freezes in the pressure washer, thaw it in a warm room before you try to start it. Do not pour hot water on or into the pump;...
- Page 17 D Before you store the pressure washer overnight or transport it, disconnect the water supply, and turn off the fuel supply valve. D After each use, wipe all surfaces of the pressure washer with a clean, damp cloth. 309286...
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Page 18: Maintenance Chart
Maintenance Chart Perform Pressure Relief Procedure (page 7). Interval What to do Daily Clean water inlet screen and filter. Check engine and pump oil levels. Fill as necessary. Check gasoline level. Fill as necessary. After first Change engine break-in oil. Drain oil when warm. Use SAE 30 or 10W–30 detergent oil. 5 hours of operation After every... -
Page 19: Troubleshooting
Troubleshooting Perform Pressure Relief Procedure (page 7). Problem Cause Solution Engine will not start or No gasoline in fuel tank or carburetor Fill tank with gasoline, open fuel shutoff valve. is hard to start. Check fuel line and carburetor. Low oil Add oil to proper level. - Page 20 Problem Cause Solution Packings are failing Scored, damaged, or worn plungers Install new plungers. freq entl or frequently or Abrasive material in fluid being pumped Install proper filtration on pump inlet plumbing. prematurely rematurely Inlet water temperature too high Check water temperature. It should not exceed 160_F (70_C).
- Page 21 Pump Service: 2730 Pressure Washers Repair kits are available. See the Parts Lists (page 27). For the best results, use all parts in the kits. Perform Pressure Relief Procedure (page 7). NOTES: Servicing the Plungers D The following metric wrenches are needed: 5 mm, 1.
- Page 22 Pump Service: 2730 Pressure Washers 6. Lightly grease the retaining screw and the outer end Servicing the V-Packings of the plunger. Place the washer, O-ring, and 1. Remove the manifold as outlined in Pumping backup ring around the screw, and install the nut Section on page 21.
- Page 23 Pump Service: 3030, 3340, and 3540 Pressure Washers Repair kits are available. See the Parts Lists (page 27). For the best results, use all parts in the kits. Perform Pressure Relief Procedure (page 7). NOTES: Servicing the Plungers D The following metric wrenches are needed: 6 mm, NOTE: Plunger Repair Kit 243430 is available to 13 mm, and 27 mm.
- Page 24 Pump Service: 3030, 3340, and 3540 Pressure Washers 6. Lightly grease the retaining screw and the outer end Servicing the V-Packings of the plunger. Place the washer, O-ring, and NOTE: There are two types of packing kits: One is backup ring around the screw, and install the nut packings only.
- Page 25 Notes 309286...
- Page 26 Parts for 2730B Pressure Washer Model Nos. 244389, Series A, with Briggs & Stratton 6.5 HP Motor 8-12 38, 15 * internal replacement parts 309286...
- Page 27 Parts for 2730B Pressure Washer Model Nos. 244389, Series A with Briggs & Stratton 6.5 HP Motor Ref. Part Description Qty. Ref. Part Description Qty. 116299 ENGINE, gasoline 6.5 HP 801546 SCREW, cap Briggs & Stratton 100132 WASHER, flat 244749 PUMP, water 2700,...
- Page 28 Parts for 2730H Pressure Washer Model Nos. 244390, Series A, with Honda 6.5 HP Motor 8-12 * internal replacement parts 38, 15 309286...
- Page 29 Parts for 2730H Pressure Washer Model Nos. 244390, Series A with Honda 6.5 HP Motor Ref. Part No. Description Qty. Ref. Part No. Description Qty. 116298 ENGINE, gasoline 6.5 HP 116411 SPRING, compression Honda 801546 SCREW, cap 244749 PUMP, water 2700, 100132 WASHER, flat complete...
- Page 30 Parts for 3030/3340/3540 Pressure Washer Model Nos. 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 8-12 39, 15 * internal replacement parts 309286...
- Page 31 Parts for 3030/3340/3540 Pressure Washer Model Nos. 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 Ref. Part No. Description Qty. Ref.
- Page 32 104.7 dB(A) 105.0 dB(A) TO PLACE AN ORDER, contact your Graco distributor, or 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.