ZEP N83701 Service Manual

Zep n83701 pressure washer

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Summary of Contents for ZEP N83701

  • Page 2: Specifications

    ______________________________________________________ INSTALLATION DATE PART NUMBER ______________________________________________________ MAKE/MODEL SERIAL NUMBER ______________________________________________________ SELLER ______________________________________________________ ADDRESS CITY/STATE/ZIP Specifications PERFORMANCE Discharge Volume 3.6 GPM / 13.2LPM Pump Head Pressure 3200 psi / 208 bar Temperature Limit 210˚F / 99˚C Combustion Smoke/Bacharach Scale #1 OR #2 SMOKE Carbon Monoxide Allowed 0.01% Draft/Stack Installation...
  • Page 3: Pump Motor

    Specifications Weight 730 Lbs / 331 Kg Belt p/n R02-00236 Spray Tip (#4.0 - 0˚) p/n JA0-00040-2 (#4.0 - 15˚) p/n JA0-15040-2 (#4.0 - 25˚) p/n JA0-25040-2 (#4.0 - 40˚) p/n JA0-40040-2 Hose Assembly 3/8” x 50’ P/N K02-03150E1 Coil Coil 18”OD x ½”ID x 158’...
  • Page 4: Final Assembly

    Final Assembly ASS'Y, GUN - OPEN 1/4" X 42" p/n: J06-00102B 4/28/2009 ITEM PART NUMBER PART DESCRIPTION QTY. J06-00101 GUN, OPEN J06-00104E ASSEMBLY, WAND - 42" W04-24225-A COUPLER, 1/4F X 1/4FNPT 2102-00710 PART LIST ITEM PART NUMBER PART DESCRIPTION W04-31231-B Coupler, 3/8M X 3/8FNPT K02-03150E5 Assembly, Hose –...
  • Page 5 Final Assembly...
  • Page 6: Float Tank Assembly

    Float Tank Assembly ASSEMBLY, TANK - FLOAT 4/1/2008 ITEM PART NUMBER PART DESCRIPTION QTY. 4120-10540 ASSEMBLY, RESTRICTOR 5181-00120 FLOAT TANK WELDMENT AR14-00300 ROD,THREAD 1/4-20UNC X 3 C03-00620-Q VALVE, FLOAT C03-00622-B BALL,FLOAT-PLASTIC C04-00120 FILTER, SOAP SCREEN C05-00270-1 NUT, GARDEN HOSE C05-00271 WASHER, GARDEN HOSE C05-00272 ADAPTER, GARDEN HOSE...
  • Page 7: Burner Assembly

    Burner Assembly ASSEMBLY, BURNER ITEM Part Number PART DESCRIPTION QTY. E08-00006-2 ELBOW, PIPE E13-00010-2 NIPPLE, PIPE - 1/4" V00-173 BURNER, OIL V04-003 FILTER , FUEL NOZZLE, BURNER W02-10019-8 BARB, HOSE W02-10031 BARB, HOSE Burner Assembly...
  • Page 8: Maintenance Procedures

    Maintenance Procedures Priming the machine Shut off the fuel tank valves. Spin off the clear bowl, fill with clean fuel and coat the round gasket (3) with fuel. Reinstall the clear bowl and tighten ¼ to 1/3 turns after the gasket contacts the upper housing.
  • Page 9 Burner Assembly...
  • Page 10 Burner Assembly...
  • Page 11 Burner Assembly...
  • Page 12 Oil Burner Maintenance Oil Fired Cleaners Air Band Adjustment Note: The air band adjustment on this burner has been preset at the factor (elevation approximately 1400 feet). On equipment installed where elevation is substantially different, the air band(s) must be readjusted. Loosen the cap screw retaining the air bands.
  • Page 13 Blower Fan Replacement Shut off power to the burner and disconnect wires. Loosen the two screws securing blower motor and fan to the housing. Remove the blower. Install the blower onto the shaft and place .030 feller gauge on the motor as shown, sliding blower until it contacts feeler the gauge.
  • Page 14 Burner Gun Removal & Installation Disconnect the fuel line from the burner gun assembly oil line fitting. Loosen the other end of the line and swing line out of the way. Remove the retaining nut. Loosen screw and swing transformer away from burner gun assembly. Carefully remove the burner gun assembly.
  • Page 15: Electrical Schematic

    Electrical Schematic WHT / RED Electical Schematic...
  • Page 16: Pump Maintenance

    Pump Maintenance General PACKING EXTRACTION KIT P/N Z09-00028 COMPLETE TOOL KIT P/N Z09-00021 Valve Service Remove the plugs holding the valve assemblies. Remove and discard o-rings from the plugs. Clean plugs with solvent or soap and water. Allow to dry. Using needle nose pliers, fingers, or hook shaped tool, remove the valve assemblies from the head.
  • Page 17: Plunger Installation

    Plunger Service Remove pump head per HEAD REMOVAL. Remove any packings and retainers left on the plungers by pulling them straight off. Examine each plunger, looking for a smooth surface free of any scoring, cracks, or pitting. Any defective plungers should be removed per PLUNGER REMOVAL. Discard and replace any defective plungers.
  • Page 18: Packing Service

    Packing Service Remove the head per PUMP HEAD REMOVAL. Remove any packings and female adapters left on the plungers by pulling them straight off. Insert proper packing extractor onto the extractor hammer. Insert packing extractor and tool through the packings and adapters remaining in the head. Tighten the hammer and remove the remaining items in the head.
  • Page 19: Pump Maintenance Record

    Pump Maintenance Record Oil Change Month/Day/Year Operating Hours Oil Brand & Type Pump Service Month/Day/Year Operating Hours Type of Service Pump Maintenance...
  • Page 20: Troubleshooting

    Trouble Shooting Pump Trouble Possible Cause Remedy Oil leaking in the area of Worn crankshaft seal, bad bearing, Remove and replace. water pump crankshaft grooved shaft, or failure of retainer o-ring. Excessive play on Defective bearings. See “Worn bearing.” crankshaft Excess shims.
  • Page 21 High water temperature. Lower water temperature stated in PUMP SPECIFICATIONS. Dirty or worn check Normal wear. Remove and replace. valves Debris. Check for lack of water inlet screens. Presence of metal Failure of internal component. Remove and disassemble to find probable cause. particles during oil change New pump.
  • Page 22 Pitted valves. See VALVE SERVICE in PUMP MAINTENANCE. Erratic pressure; pump Dirty or worn check valves. Clean/replace check valves. runs rough Foreign particles in valve assemblies. High inlet water temperature. See temperature in PUMP SPECIFICATIONS. Excessive vibration Dirty or worn check valves See “Dirty or worn check valves.”...
  • Page 23 Machine fumes Improper fuel pressure See specified pressure in the FUEL section of (exhaust burns eyes) MODEL SPECIFICATIONS. Poor Combustion Low fuel pressure See specified pressure in FUEL section of MODEL SPECIFICATIONS. Improper fuel supply Use fuel specified in FUEL section of MODEL SPECIFICATIONS.
  • Page 24: Warranty Policy

    WARRANTY POLICY All machines and parts are guaranteed to be free from defects in material or workmanship under normal use and service for a period of 1 year after delivery from the factory. Any part (other than the vendor items) that is determined to be warranty will be repaired or replaced at NO CHARGE provided the warranty card is filled out in it’s entirety and the part is sent back freight prepaid.
  • Page 25 For full warranty information, contact your delivering distribu- tor or contact the manufacturer at info@warrantysvc.com...

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