4000 PSI 4 GPM BIG BRUTE SERIES INSTRUCTION MANUAL MODEL 65105 65106 If your pressure washer is not working properly or if there are parts missing or broken, please DO NOT RETURN IT TO THE PLACE OF PURCHASE. Contact our Customer Service Department at 1-844-375-7577. IMPORTANT: Please make certain that the person who is to use this equipment carefully reads and understands these instructions before operating. SAVE THIS MANUAL FOR FUTURE REFERENCE Part No. 7109550 Rev.
TABLE OF CONTENTS Safety Guidelines - Definitions........................................................................ 3 Important Safety Instructions.......................................................................... 3 Get to Know the Pressure Washer.................................................................. 9 Basic Elements of a Pressure Washer...................................................... 9 Basic Elements of a Pump..................................................................
SAFETY GUIDELINES - DEFINITIONS This manual contains information that is important for you to know and understand. This information relates to protecting YOUR SAFETY and PREVENTING EQUIPMENT PROBLEMS. To help you recognize this information, we use the symbols below. Please read the manual and pay attention to these symbols. DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
WARNING: This product may not be equipped with a spark-arresting muffler. If the product is not equipped and will be used around flammable materials or on land covered with materials such as agricultural crops, forest, brush, grass or other similar items, then an approved spark arrester must be installed and is legally required in the state of California.
DANGER: RISK TO BREATHING (ASPHYXIATION) WHAT CAN HAPPEN HOW TO PREVENT IT • Breathing ex haust fumes will cause • Operate pressure washer in a wellse ri ous injury or death! En gine ventilated area. Avoid en closed areas exhaust contains carbon mon ox ide, such as garages, basements, etc. an odorless and deadly gas. • Never operate unit in or near a location occupied by humans or animals. • Never connect pressure washer to a TYPE B gas vent.
• Injuries can result if system pressure • To relieve sys tem pres sure, shut off is not reduced before attempting engine, turn off water supply and pull gun maintenance or disassembly. trigger until water stops flowing. DANGER: RISK OF INJURY FROM SPRAY WHAT CAN HAPPEN HOW TO PREVENT IT • High-velocity fluid spray can cause • Always wear safety glasses. Wear protective clothing to protect against objects to break, projecting particles accidental spraying. at high speed.
• Reactive force of spray will cause gun/ • Do not overreach or stand on an unstable support. wand to kickback, and could cause the operator to slip or fall or misdirect • Do not use pressure washer while the spray. Im prop er control of gun/ standing on a ladder. wand can result in injuries to self and • Grip gun/wand firmly with both hands. others. Expect the gun to kickback when triggered.
WARNING: RISK OF BURSTING WHAT CAN HAPPEN HOW TO PREVENT IT • High-velocity fluid spray directed at • On pressure washers rated above pneumatic tire sidewalls (such as 1600 psi (11032 kPa) use the widest found on automobiles, trailers and fan spray (40º nozzle) and keep the spray a minimum of 8" (20 cm) from the the like) could damage the sidewall pneumatic tire sidewall. Do not aim spray resulting in serious injury. directly at the joint between the tire and rim.
GET TO KNOW THE PRESSURE WASHER NOTE: Photographs and line drawings used in this manual are for reference only and do not represent a specific model. Compare the illustrations with your unit to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference. BASIC ELEMENTS OF A PRESSURE WASHER (FIG. 1) 1 F G I H B E C O A Q R A. Engine: Refer to the Engine Owner's Manual for location and operation of engine controls. B. Engine fuel fill C.
BASIC ELEMENTS OF A PUMP (FIG. 2) NOTICE: The high-pressure pump was filled with oil at the factory. Always check oil level before using (refer to Maintenance for more information). 2 U T S S. Oil drain plug T. Oil fill plug U. Sight glass BASIC ELEMENTS OF AN ENGINE Refer to the Engine Owner's Manual for location and operation of engine controls. NOTICE: The engine is shipped without oil. Before starting engine, add the oil provided.
High Pressure Pump Oil: The preferred oil is SIMPSON® Premium Pump Crankcase Oil. If this oil is not available, an SAE 15W-40 oil may be used. Change the pump oil after the first 50 hours of operation and every 100 hours thereafter, or every 3 months. Gasoline Engine Oil: Check engine oil level before each use. Refer to the Engine Owner's Manual for correct procedure.
OPERATION PRESSURE WASHER OPERATING FEATURES IMPORTANT: Become familiar with these features before operating this pressure washer. RESSURE ADJUSTMENTS P The pressure setting is preset at the factory to achieve optimum pressure and cleaning. If you need to lower the pressure, it can be accomplished by these meth ods. 1. Back away from the surface to be cleaned. The further away you are, the less the pressure will be on the surface to be cleaned. 2.
NOZZLE COLOR Red Yellow SPRAY PATTERN USES powerful pinpoint 0˚ for spot cleaning of hard, unpainted surfaces or for high reach areas intense cleaning 15˚ of unpainted hard surfaces grills, driveways, concrete or brick walkways, unpainted brick or stucco 25˚ standard cleaning nozzle for most applications yard tools, sidewalks, lawn furniture, unpainted siding, stucco, gutters and eaves, concrete, brick surfaces 40˚ cleaning of painted or delicate surfaces auto/RV, marine, wood, painted brick and s
STARTING WARNING: Do not operate this unit until you read this instruction manual and the engine instruction manual for safety, operation and maintenance instructions. DANGER: Risk of fluid injection and laceration. When using the high pressure setting, DO NOT allow the high pressure spray to come in contact with unprotected skin, eyes, or with any pets or animals. Serious injury will occur.
3. Check pump oil level. The oil level should come to the dot in the middle of the sight glass (U, Fig 2). 4. In a well-ventilated outdoor area, add fresh, high-quality #2 diesel fuel to the burner fuel tank fill. Refer to the Specification Insert for the correct fuel to be used in the burner. 5. Visually inspect all electrical components, hoses, nozzles and guns to assure they are in good condition.
WARNING: Risk of unsafe operation. Stand on a stable surface and grip gun/ wand firmly with both hands. Expect the gun to kickback when triggered. NOTICE: Allowing the unit to run for more than two minutes without the gun trigger being pulled could cause overheating and damage to the pump. Do not let the pressure washer run for more than two minutes in Bypass Mode. Turn off the engine and relieve the pressure in the gun during these extended situations. 16.
Engine Fuel Filter Spark Plug Maintenance Clean Fuel Tank(s) Replace Fuel Lines Pump Oil Replace Burner Fuel Filter Remove Burner Soot Burner Adjustment/Cleaning De-scale Coil Replace Spray Nozzle Replace Quick Connects Clean Water Screen/Filter Clean Float/Supply Tank Replace HP Hose Belts Trailer Tires/Bearings 500 hours or 6 months 500 hours or 6 months Annually Annually Inspect Daily Change After first 25 hours, then every 3 months or 150 hours Axial pumps come filled with synthetic oil, which does no
ACCESSORIES DANGER: Risk of fluid injection. When using replacement spray wands or guns with this pressure washer, DO NOT use a spray wand and/or spray gun/ wand combination that is shorter in length than what was provided with this pressure washer as measured from the nozzle end of the wand to the gun trigger. NOTICE: The use of any other accessory not recommended for use with this tool could be hazardous. Use only accessories rated equal to or greater than the rating of the pressure washer.
TROUBLESHOOTING GUIDE Probable causes are listed with most likely cause first. ALL Repairs should be made by qualified technicians only. TROUBLESHOOTING GASOLINE/DIESEL ENGINES Problem Engine will not start or crank over. Engine will not start but will crank over Probable Cause Battery dead Where applicable Dirty Battery Contacts Battery cables disconnected Engine, pump, or gearbox is seized. Key switch, solenoid or starter on engine defective. Pump is seized Engine power switch is off or defective.
TROUBLESHOOTING PRESSURE ISSUES Problem Pump runs but has low spray pressure. Probable Cause Nozzle not installed Dual wand valve is open. Leaky discharge hose or quick coupler. Inlet strainer clogged. Worn or wrong size nozzle. Belt slippage Unloader valve worn or improperly adjusted. Air leak in inlet plumbing. Pump runs but there is erratic, fluctuating pressure. Excessive crankshaft play or loud, knocking noise in pump. Oil leaking from pump. Inlet injection will not siphon chemical.
TROUBLESHOOTING PRESSURE ISSUES Problem Downstream injector will not siphon chemical. Pressure relief Valve expelling water Probable Cause Adjustable knob on injector is closed (Where applicable) Unit not in low pressure mode. Detergent hose cut or kinked. Chemical Strainer plugged or not submerged. Internal injector parts corroded or stuck. Outlet water temperature too high. Unloader failure / coil overheating / Excessive pressure Remedy Open by turning counter clockwise.
TROUBLESHOOTING OIL FIRED BURNER SYSTEMS Problem Burner fires and smokes. Probable Cause Excessive soot on coils. Improper voltage at burner Burner input too high for conditions. Water flow restricted. Remedy Clean soot off to improve air flow. Adjust RPM of generator (if equipped) Decrease fuel pump pressure and/or fuel nozzle size. Discharge water Clean or replace nozzle of proper size. temperature Descale coil and clear obstructions.
LIMITED WARRANTY All FNA GROUP® pressure washers are warranted by the FNA GROUP® to the original purchaser to be free from defects in materials and workmanship under normal use, for the periods specified below. This Limited Warranty is subject to the exclusions shown below, applies to the original components only and, is calculated from the date of the original purchase. Any parts replaced under this warranty will assume the remainder of the part’s original warranty period.
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