Siebring 7500S Instructions Manual Download Page 1

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PRESSURE WASHERS

INSTRUCTIONS

Manufacturers of Quality Equipment Since 1910

PO Box 658 303 S. Main St. George, IA. 51237

Phone 888-475-3317 Fax 712-475-3490

www.siebringmfg.com

[email protected]

Summary of Contents for 7500S

Page 1: ...PRESSURE WASHERS INSTRUCTIONS Manufacturers of Quality Equipment Since 1910 PO Box 658 303 S Main St George IA 51237 Phone 888 475 3317 Fax 712 475 3490 www siebringmfg com Email sales siebringmfg com ...

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Page 3: ...ER DECRIPTION TROUBLESHOOTING 15 UNLOADER GOLDEN EAGLE 7100 16 UNLOADER CAT 7500S 17 UNLOADER CAT 7534 18 UNLOADER CAT 7600S 19 UNLOADER CAT 7672 20 NOZZLES AND TIPS 21 TROUBLESHOOTING INDEX 22 TROUBLESHOOTING CONTINUED 23 TROUBLESHOOTING CONTINUED 24 TROUBLESHOOTING CONTINUED 25 TROUBLESHOOTING CONTINUED 26 TROUBLESHOOTING CONTINUED 27 TROUBLESHOOTING CONTINUED 28 TROUBLESHOOTING DELIMING 29 WINT...

Page 4: ...ment of and rugged hot high pressure washers In the mid sixties Siebring was again was on the ground floor with new developments incorporating new designs higher pressure pump applications and the like GENERAL APPLICATIONS Greases with heavy wax bases animal oils in animal waste and dirt and grime are targets for this equipment Engine and transmission rebuilding heavy equipment in farm constructio...

Page 5: ...IPMENT REMOTE HOSE GUN WAND AND FITTINGS PRIOR TO OPERATION DO NOT OPERATE THIS MACHINE WITH A DAMAGED OR WORN HOSE LEAKS OR WITH ANY COVERS OFF THAT WOULD EXPOSE BELTS PULLEYS OR ELECTRICAL DEVICES OR CONNECTIONS DANGER TAMPERING WITH THE MACHINE S FACTORY PRESET UNLOADER VALVE SETTINGS AND OR THE PRESSURE RELIEF VALVE SETTING COULD RESULT IN A MACHINE EXPLOSION DO NOT ATTEMPT TO CHANGE THE SETTI...

Page 6: ...d the report explained Consumers should not use adapter plugs to connect the three wire plug to a two prong household receptacle without properly grounding the adaptor plug Power cord connections should never be allowed to lie in water The commission urges these precautions Always plug a 3 wire grounded pressure washer into a properly grounded receptacle If possible use a receptacle protected by a...

Page 7: ...ressure prior to servicing 10 Drain all liquids from system before servicing 11 Secure discharge lines and guns before starting the pump An unsecured line may whip around under pressure causing personal injury and or property damage 12 Check hoses for weak or worn conditions before each use Make certain that all connections are tight and secure 13 Periodically inspect the pump and system component...

Page 8: ... bio diesel 7 Installed on each washer is a square soap container box that will accept a one gallon jug Most products need to be diluted prior to use Powered soaps are unacceptable WARNING Secure gun and lance prior to starting the pump CAUTION Momentarily open the gun valve to relieve pressure prior to starting the pump motor or engine 8 Start the pump motor 9 Hot washer Ignite burner with contro...

Page 9: ...reaches the injector the feed rate may be adjusted to the desired rate by turning the bypass screw For low injection rates it is advisable to set the bypass screw for more injection than required then turn the fine metering screw clockwise to reduce injection to the desired rate If the injector will not draw with the bypass screw full in then the water flow is below the range of the injector If th...

Page 10: ...er are molded as a unit Cracks and deformation may occur with time Replacement parts are available Rough spots on the plunger and swollen plastic can be dressed down for smooth operation with a fine metal file or emery cloth 180 grit or finer A thin coat of Vaseline will lubricate the plunger for smooth operation Special adjustments are required for proper installation of the SPDT reed switch Do n...

Page 11: ... breaking the circuit and shutting down the burner Troubleshooting Switch does not activate Possible debris caught within switch mechanism Clean mechanism test switch operation several times to ensure proper operation Control switch action is reversed Has flow switch been changed Ensure connections match wiring diagram Switch fails to return to no flow position Stuck flow gate clean to free up mov...

Page 12: ...limit controller Maintains minimum water temperature Turns burner on at temperature setting less differential DifferentialAdjustment wheel typically used on boiler applications Factory set to 5 Checkout Check to make certain that the Aquastat Controller has been installed and adjusted properly Put the system into operation and observe the action of the device through several cycles to make certain...

Page 13: ... cop to the water flow in your system as soon as it senses pressure build When the Pressure Build condition is met the unloader will then actuate the piston assembly to divert the water flow toward the bypass port When this is occurring the pump is said to be in bypass mode and the unloader valve is said to be cycling This scenario ends when the trigger is squeezed alerting the unloader valve to r...

Page 14: ...he UNLOADER RATED FLOW CAPACITY is required for proper unloader performance Additional bypass fluid may be the excess pressure the difference between the pump output and the unloader setting Inlet Port Outlet Port Bypass Port Check Valve Piston Assembly 12 Pump Flow 5 10 Min CAUTION If the entire output is directed through the unloader zero by pass the cushioning feature of the by pass liquid is e...

Page 15: ...forced down through the bypass port CAUTION A minimum bypass of 5 10 of the UNLOADER RATED FLOW CAPACITY is required for proper unloader performance Inlet Port Outlet Port Bypass Port Piston Assembly WARNING DO NOT OPERATE IN BYPASS MODE LONGER THAN 2 MINUTES 13 Pump Flow Check Valve CAUTION If the entire output is directed through the unloader zero by pass the cushioning feature of the by pass li...

Page 16: ...and the gun ready for a quick return to high pressure operation Note A minimum bypass of 5 10 is necessary for the unloader to operate properly CAUTION If the entire output is directed through the unloader zero by pass the cushioning feature of the by pass liquid is eliminated and the unloader can malfunction or wear prematurely Do not leave the unit running in by pass mode for extended periods of...

Page 17: ...GOLDEN EAGLE 7100 UNLOADER 800 2000 PSI 15 ...

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Page 22: ...503 1500 3 0 4 5 NOZZLE 204B HDD2004 HHP2004 2000 4 0 5 NOZZLE 204B GAHP180 1000 3 0 6 NOZZLE 204B OPT MWG180 1000 3 0 6 NOZZLE 204B OPT MWG1204 1200 4 0 7 NOZZLE 204B OPT MWG2004 2000 4 0 5 NOZZLE 204B OPT IMPORTANT PARTS FOR SIEBRING WASHERS 20 1 2 3 4 5 9 8 7 6 10 1 Hose Quick Coupler female 2 Unloader 3 CAT Pump 4 CAT Pump Manifold 5 Pressure Gauge 6 By pass Hose 7 Solution Injector 8 Garden H...

Page 23: ...TOP I AUTOMATIC PUMP AND BURNER SHUT DOWN SYSTEM J BURNER MOTOR FAILS TO START K BURNER MOTOR FAILS TO STOP L BURNER FAILS TO IGNITE M INTERMITTENT FLAME N WATER LEAKING FROM HEATING COIL COMPARTMENT O PRESSURE FAILS TO DROP WHEN GUN VALVE IS CLOSED P LIQUID IN GAUGE Q PUMP OIL DISCOLORATION R WATER OR OIL LEAKING FROM BOTTOM OF PUMP S SOLUTION INJECTOR FAILURE T WATER SUPPLY AND CONTAMINATION U L...

Page 24: ...place with correct or same size nozzle 5 Air leak to solution injector Close solution injector supply valve or replace hose 6 Loose pump drive belt if applicable Adjust tension to achieve movement of belt at mid point 7 Clogged pick up in tank Clear clog C PULSATION IN HOSE usually accompanied by a drop in pressure 1 Open solution injector Close solution injector supply valve or fill solution tank...

Page 25: ... low voltage excessive drive belt tension extension cord not adequate gauge for length or stuck starter switch 2 Excessive operating pressure Reduce pump operating pressure to manufacturers recommendation 3 Defective motor start switch inside of motor or motor fails to reach operating speed pressure Have an electrician verify motor condition G PUMP MOTOR FAILS TO START 1 No Power Check plugs fuses...

Page 26: ...e or improperly adjusted If unit continues to run disconnect wires from load terminals on load pak in electrical box If unit stops load pak is defective If unit continues to run motor starter is defective Stuck plunger on flow switch remove burrs and residue with fine emery cloth Coat plunger with Vaseline and reinstall 2 Unit will not stop when gun is closed Be sure there is no electrical power t...

Page 27: ...consult electrician K BURNER MOTOR FAILS TO STOP 1 Check burner switch Down is off may be defective 2 Water temperature control stuck closed Disconnect one wire of the temperature control switch to see if control is the problem L BURNER FAILS TO IGNITE 1 Empty or low fuel supply Replenish fuel supply 2 Plugged filter or nozzle Replace filter cartridge and appropriate nozzle 3 Air leaks or air in o...

Page 28: ...E IS CLOSED 1 Defective unloading valve Clean or replace 2 Leak in gun fittings hose or coil under high pressure Repair leak P LIQUID IN GAUGE 1 Gauge is liquid type oil is normal Replace gauge if empty or low on oil 2 Water leaking from gauge Ruptured mechanism Bourdon tube Replace gauge assembly Q PUMP OIL DISCOLORATION 1 White foam water in oil Drain and replace with CAT pump oil or temporarily...

Page 29: ...for most thick detergents passing through the plastic solution feed tube 3 Plugged strainer on solution tank Dirty screen in tank filter assembly or undissolved powdered soap 4 Water back feeding to solution supply tank through injector Dirty deformed or missing check ball in injector metering assembly Weak ball check spring Bad washer on ball seat in intake on injector T WATER SUPPLY AND CONTAMIN...

Page 30: ...AUTION Do not use this procedure on a coil that is completely plugged For severe cases call Siebring Manufacturing 1 Disconnect the steam hose at the unit 2 In a plastic container put 2 gallons of water and into this very slowly add one gallon of muriatic acid CAUTION ALWAYS ADD THE ACID TO THE WATER NEVER THE WATER INTO THE ACID 3 Take a short piece of garden hose with a male garden hose fitting ...

Page 31: ... the hose from the pump inlet Store unit do not install plugs in the inlet and discharge port Cover to protect from severe elements Restarting System Turn regulator unloader setting to lowest pressure point or open high pressure gun Check crank case oil level and purity Reconnect the liquid supply hose discharge hose and allow liquid to flow through pump for 2 3 minutes hot washer models Check for...

Page 32: ... 6 8 4 6 4 1 4 10 0 8 6 4 2 8 6 4 2 3 8 6 4 2 5 6 4 2 0 Wire Size for 115 230 Volt Single Phase Circuits Distance Motor to Fuse or Motor to Meter Box SUPPLY WATER LINE PRESSURE LOSS HOSE FRICTION LOSS PSI PER 100 FT WATER GPM 1 8 1 4 3 8 1 2 3 4 1 4 3 8 1 2 5 8 3 4 1 3 270 60 14 4 5 1 1 380 50 13 4 0 1 5 4 345 105 25 8 3 1 9 90 23 7 0 2 7 3 420 150 36 12 2 8 130 34 10 4 0 1 0 30 ...

Page 33: ...D15 25MP MALE PLUG QUICK COUPLER OUTLET HOSE CD16 25FS FEMALE SOCKET QUICK COUPLER CD17 HOSE SPECIFY LENGTH CD18 GUN 1000 PSI AND LOWER CD19 18 EXTENSION CD20 TIP REQUIRES BRASS CAP CD21 BRASS CAP FOR TIP CD22 GUN 1200 PSI AND HIGHER CD23 WAND BLACK PIPE CD24 NOZZLE THREADED STRAIGHT OR 15 CD25 HANDLE BAR GRIP CD26 WHEELS SPECIFY TYPE SIZE CD27 SS FEMALE SOCKET QUICK COUPLER CD28 SS CAP FOR TIP CD...

Page 34: ...CD6 CD5 CD4 CD3 CD2 CD1 CD13 CD10 CD9 CD8 CD7 CD15 CD14 CD26 CD11 CD12 32 ...

Page 35: ...CD20 CD19 CD18 CD17 CD16 CD24 CD23 CD22 CD21 CD25 CD15 CD28 CD27 CD29 CD30 33 ...

Page 36: ...UGE 1500 PSI CD6 UNLOADER ADAMS 7100 CD7 430 CAT PUMP CD8 BYPASS HOSE CD9 BALL VALVE W BRACKET CD11 SOAP BOX CD12 DEMA INJECTOR 204B CD13 GARDEN HOSE FITTING SEE PAGE 29 CD14 SCREEN FOR GARDEN HOSE FITTING SEE PAGE 29 CD31 PUMP PULLEY 8 CD32 MOTOR PULLEY 2 5 X CD33 BELT BX35 CD34 BELT GUARD CD35 5 5 HP HONDA ENGINE CD36 HUB CAP PUSH TYPE CD37 BEECH HANDLE CD13 34 ...

Page 37: ...PUMP MOTOR FLOW SWITCH WATER TEMP CONTROLLER BURNER 1 5 6 2 3 4 7 8 PUMP BURNER OFF CONTROL SWITCH 1L1 6T3 2T1 4T2 3L2 5L3 SQUARE D RELAY RESE T 110V 220V HHD3004 Typical Wiring Hot Pressure Washer 35 ...

Page 38: ... HOSE THEN BLOW AIR INTO INTAKE VALVES UNTIL ANTIFREEZE APPEARS AT THE END OF DISCHARGE HOSE CAUTION OPERATE ONLY IN WELL VENTILATED AREA UNLESS UNIT IS VENTED TO OUTSIDE CAUTION Do not run pump with gun closed for more than 2 minutes Hot Washers SG 10 Hot Washers SG 10 All Sprayers Pressure Washers All Sprayers Pressure Washers Gas Engine Units Hot Washers 36 No Kerosene no Bio mix over 10 ...

Page 39: ...ious infection or injury This unit to be operated only by competent cautious personnel USE EXTREME CARE WHEN OPERATING THIS MACHINE DO NOT ALLOW WATER TO CONTACT THE HUMAN BODY BECAUSE WATER UNDER HIGH PRESSURE IS DANGEROUS IT WILL PENETRATE SKIN AND CAN CAUSE SERIOUS INFECTION OR INJURY UNIT TO BE OPERATED ONLY BY COMPETENT CAUTIOUS PERSONNEL WARNING All 37 All ...

Page 40: ...HIS ACCESSORY IS TO BE USED FOR BLOWING THE WATER OUT OF THE COIL IN FREEZING CONDITIONS SO THE COIL DOES NOT FREEZE THE COIL MAY BURST IF EXPOSED TO FREEZING CONDITIONS VOIDING ALL WARRANTIES Note Remove Valve Stem 38 THIS ACCESSORY IS TO BE USED FOR FLUSHING THE PUMP AND ASSOCIATED PLUMBING AND FOR TROUBLESHOOTING AND LEAK CHECKING THE SYSTEM BACK FLUSH ASSEMBLY Mr Drench Fox Sprayers ...

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