INSTRUCTION MANUAL 31cc 4 Stroke Gas Brush Cutter Model # PS431 Have product questions or need technical support? Please feel free to contact us! Website: www.Amerisuninc.com www.powersmartusa.com Toll free: 1-800-791-9458 Mon-Fri 9-5 EST Email: support@amerisuninc.
CONTENTS Technical data…...………………………………………………………... Introduction………………………………………………………………. Safety information…….………………………………………………... General safety procedures ……....……………………………………… Knowing your brush cutter……………………………………………… Brush cutter preparation…………………………………….…………... Operation……………………....………………………………………… Maintenance……………………………………………………………... Storage……………………………………………………………………. Troubleshooting………………………………………………………….
INTRODUCTION Thank You for Purchasing a PowerSmart® Product. This manual provides information regarding the safe operation and maintenance of this product. Every effort has been made to ensure the accuracy of the information in this manual. PowerSmart® reserves the right to change this product and specifications at any time without prior notice. Please keep this manual available to all users during the entire life of the product.
GENERAL SAFETY PROCEDURES For any questions regarding the hazard and safety notices listed in this manual or on the product, please call (800) 791-9458 Mon-Fri 9-5 EST before using the engine. Read all instructions before operating Warning: When using the unit, all safety rules must be followed. Please read these instructions before operating the unit in order to ensure the safety of the operator and any bystanders. Please keep these instructions for later use.
Even if you use an engine correctly, CO may leak into the home. ALWAYS use a battery-powered or battery-backup CO alarm in the home. If you start to feel sick, dizzy, or weak after the engine has been running, move to fresh air RIGHT AWAY. See a doctor. You may have carbon monoxide poisoning. WARNING: The exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
• • Use only recommended accessories and replacement parts. Have all maintenance and service not explained in this manual performed by your authorized service dealer. CUTTING SAFETY WARNING: Inspect area before starting unit. Remove all debris and hard objects such as rocks, glass, wire, etc., that can ricochet, be thrown, or otherwise cause injury or damage during operation. • Keep others including children, animals, bystanders, and helpers at least 50 feet (15meters) away.
2. Be alert and turn mower off if a child enters the area. 3. Never allow children under the age of 16 to operate the product. 4. Use extra care when approaching blind corners, shrubs, trees, or other objects that may block your view of a child. Fuel safety 1. Safe Handling of Gasoline 2. To avoid personal injury or property damage, use extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive. 3. Extinguish all cigarettes, cigars, pipes, and other sources of ignition.
KNOWING YOUR BRUSH CUTTER Please use the illustration below to familiarize yourself with the location and function of the components that control of your brush cutter.
BRUSH CUTTER PREPARATION The following section describes steps necessary to prepare the brush cutter for use. If after reading this section, you are unsure about how to perform any of the steps please call (800) 791-9458 Mon-Fri 9-5 EST for customer service. Failure to perform these steps properly can damage the brush cutter or shorten its lifespan. INSTALLING BRUSH CUTTER ATTACHMENT Locking lever CAUTION: When installing brush cutter attachment, place the unit on a flat surface for stability. 1.
REPLACE THE BLADE WARNING: Wear protective gloves when handling or performing maintenance on the blade to avoid injury. The blade is sharp and can cut you even when it is not moving. WARNING: Do not use any blades, or fastening hardware other than the washers and nuts shown in the following illustrations. These parts must be provided by the manufacturer and installed as shown below. Failure to use proper parts can cause the blade to fly off and seriously hurt you or others. 1.
ADD GASOLINE WARNING: This product may emit highly flammable and explosive gasoline vapors, which can cause severe burns or even death if ignited. A nearby open flame can lead to explosion even if not directly in contact with gasoline. Use fresh (within 30 days from purchase), lead-free gasoline with a minimum of 87 octane rating. Do not mix oil with gasoline. To add gasoline, follow these steps: Fuel tank cap 1. Make sure the product is on a level surface. 2. Unscrew fuel cap and set aside.
OPERATION WARNING: Be sure to read the fuel information in the safety rules before you begin. If you do not understand the safety rules, do not attempt to fuel your unit. Call customer support. STARTING A COLD ENGINE 1. Set unit on a flat surface. 2. Slowly press the primer bulb 3 times. 3. Move choke lever to the START position. 4. Pull recoil starter handle sharply 5 times. 5. Squeeze and hold trigger. 6. Pull recoil starter handle until engine starts.
• • • • • • • • • • Cut only grass, weeds, and woody brush up to 1/2 inch (1 cm) in diameter with the blade. Do not let the blade contact material it cannot cut such as stumps, rocks, fences, metal, etc., or clusters of hard, woody brush having a diameter greater than 1/2 inch (1 cm). Keep the blade sharp. A dull blade is more likely to snag and thrust. Cut only at full throttle. The blade will have maximum cutting power and is less likely to bind or stall.
MAINTENANCE WARNING: Disconnect the spark plug before performing maintenance. CHECK FOR DAMAGED OR WORN PARTS Contact customer service for replacement of damaged or worn parts. ON/OFF Switch -- Ensure ON/OFF switch functions properly by pushing and releasing the switch. Make sure engine stops. Wait 5 seconds before attempting to restart unit to allow switch to reset. Restart engine and continue. Fuel Tank -- Discontinue use of unit if fuel tank shows signs of damage or leaks.
SEASONAL STORAGE Prepare unit for storage at end of season or if it will not be used for 30 days or more. If your unit is to be stored for a period of time: 1. Clean the entire unit before lengthy storage. 2. Store in a clean dry area. 3. Lightly oil external metal surfaces. FUEL SYSTEM Fuel stabilizer is an acceptable alternative in minimizing the formation of fuel gum deposits during storage. Add stabilizer to the gasoline in the fuel tank or fuel storage container.
EXPLODED VIEW AND PARTS LIST Engine exploded view 17
Engine parts list Item 1 Stock # 100002804 Description Breather Hose Qty 1 Item 48 2 100010417-0001 3 4 Stock # 100010576 Description Woodruff Key Screw M5×15 16 100002301 Valve Cover 100002788 Oil Block Qty 1 49 100003055 Piston 1 1 50 100003218 Circlip 2 1 51 100003112 Piston Pin 1 5 100011001-0001 Screw ST4.
Brush cutter exploded view 19
Brush cutter parts list Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Stock # 303190256 202310001 303020553 303020554 303020554 302100009 303020555 302100010 303030120 202110046 303010330 303010331 303010330 303020110 303030030 202310002 303020555 Description 31cc 4 Stroke Engine Connector component Screw M5x12 Screw M6x30 Screw M6x30 Straps hanging ring Screw M5x25 Fixed ring Pipe Straight handle component Screw ST4.2x15 Screw ST2.5x20 Screw ST4.
TWO (2) YEARS LIMITED WARRANTY PowerSmart is committed to building equipment that will provide years of dependable service. Our warranties are consistent with our commitment and dedication to quality. TWO (2) YEARS LIMITED WARRANTY OF POWER SMART PRODUCTS FOR HOME USE. PowerSmart (“Seller") warrants to the original purchaser only, that all PowerSmart consumer power tools will be free from defects in material or workmanship for a period of two (2) years from date of purchase.
