SHINDAIWA OWNER’S/ OPERATOR'S MANUAL P231 POLE PRUNER Shindaiwa Inc. P.O. Box 2810 Tualatin, Oregon 97062 Telephone: 503 692-3070 FAX: 503 692-6696 www.shindaiwa.com Shindaiwa Kogyo Co., Ltd. Head Office: 6-2-11 Ozuka Nishi, Asaminami-ku Hiroshima, 731-3167, Japan Telephone: 81-82-849-2220 FAX: 81-82-849-2481 WARNING! Minimize the risk of injury to yourself and others! Read this manual and familiarize yourself with the contents. Always wear eye and hearing protection when operating this unit.
Introduction Contents PAGE The Shindaiwa P231 Pole Pruner is designed and built to deliver superior performance and reliability without compromise to quality, comfort, safety or durability. Shindaiwa’s high-performance engines represent the leading edge of 2-cycle engine technology, delivering exceptionally high power with remarkably low displacement and weight.
Attention Statements Your Warranty Rights and Obligations Throughout this manual are special attention statements. The California Air Resources Board, the U.S. Environmental Protection Agency and Shindaiwa Kogyo Co., Ltd. are pleased to explain the emission control system warranty on your new small offroad (non-road) engine. In California, new small off-road engines must be designed, built, and equipped to meet the State’s stringent anti-smog standards.
SAFETY Read and follow this operators manual. Failure to do so could result in serious injury. 60° Max. Always wear a hard hat to reduce the risk of head injuries during operation of this unit. Wear eye and hearing protection at all times during the operation of this unit. Never operate power equipment of any kind if you are tired or if you are under the influence of alcohol, drugs, medication, or any other substance that could affect your ability or judgement.
Troubleshooting Guide (continued) Operating the Pruner Poor acceleration. Engine stops abruptly. Possible Cause Remedy Clogged air cleaner element. Clean the air cleaner element. Clogged fuel filter. Replace the fuel filter. Carburetor mixture too lean. Consult with an authorized servicing dealer. Idle speed set too low. Adjust: 2,750 (Ⳳ250) rpm (min-1) Switch turned off. Reset the switch and re-start. Fuel tank empty. Refuel. Clogged fuel filter. Replace filter. Water in the fuel.
Troubleshooting Guide (continued) Safety Equipment and Labels SAFETY LOW POWER OUTPUT What To Check Is the engine overheating? Shaft Safety Label Possible Cause Remedy Operator is overworking the machine. Shorten trimmer line. Cut at a slower rate. Carburetor mixture is too lean. Consult with an authorized servicing dealer. Improper fuel ratio.
Operating Precautions Troubleshooting Guide What To Check Possible Cause Remedy Faulty recoil starter. Fluid in the crankcase. Internal damage. Consult with an authorized servicing dealer. NO Loose spark plug. Excess wear on cylinder, piston, rings. Tighten and re-test. Consult with an authorized servicing dealer. NO Fuel incorrect, stale, or contaminated; mixture incorrect.
Operating Precautions Correct Filing Technique SAFETY Correct angle on top plate Slightly protruding hook or point (curve on non-chisel chain) Top of depth gauge at correct height below top plate A A=B B 0.
P231 Specifications When the cutting edges of the blade become dull, they can be resharpened with a few strokes of a file. In order to keep the blade in balance, all cutting edges must be sharpened equally. In addition, inspect the chain for correct adjustment (more frequently with a new chain). The chain should feel snug but still pull freely. See Figure 36. Refer to page 16 for adjustment procedures. Dry Weight ................... 6.1 kg/13.4 lb. Transmission Type ..............
Product Description Long Term Storage Bar and Chain Top Engine Cover Screw Air Filter Assembly DESCRIPTION Spark Plug ■ Clean external parts thoroughly and apply a light coating of oil to all metal surfaces. CAUTION! Gasoline stored in the carburetor for extended periods can cause hard starting, and could also lead to increased service and maintenance costs. ■ Drain all the fuel from the fuel tank.
Assembly 135-hour Maintnenace Driveshaft/Powerhead 5. Remove the rear muffler shield bolt and, while noting the orientation of parts, separate the muffler shield. Every 135 hours of operation, remove and clean the muffler. Clamp Screw Main Shaft 6. Remove the spark arrester screen and clean with a stiff bristle brush. WARNING! Outer Tube 7. Gently tap the muffler on a wood surface to dislodge any loose carbon. 8. Inspect the cylinder exhaust port for carbon buildup.
Assembly Throttle Linkage and Ignition Leads 50-hour Maintenance Remove the Cylinder Cover. Connect the Throttle Cable. 1. Remove the spark plug boot. 1. Loop the ribbed cable tube to the top left side of the engine. Every 50 hours of operation (more frequently in dusty or dirty conditions): 2. Install the black wire between the two cable adjuster nuts as shown. See Figure 8. ■ Remove and clean the cylinder cover and clean dirt and debris from the cylinder cooling fins. 2.
Assembly 10-Hour Maintenance 10/15-Hour Maintenance CAUTION! CAUTION! Do not operate the unit if the air cleaner or element is damaged, or if the element is wet. Before removing the spark plug, clean the area around the plug to prevent dirt and debris from getting into the engine’s internal parts. Every 10 hours of operation, (more frequently in dusty or dirty conditions): Unscrew Fastener Red Wire Black Wire Spark Plug Boot Every 10 to 15 hours of operation: Remove and clean the spark plug.
Assembling the Tube Sections 1. Place the powerhead/lower tube assembly and the upper tube assembly on a clean, flat surface so that both assemblies fit end to end. The powerhead/lower tube assembly should be facing up, and the lower tube assembly should be positioned with the locking hole in the tube end facing up. Daily Maintenance 4. When the two tube halves are locked together, press down on the spring-loaded latch protector and tighten the coupler screw. See Figure 12.
General Maintenance Installing and Adjusting the Bar and Chain IMPORTANT! Installing The Chain Guide Bar Adjustment Stud WARNING! Before performing any maintenance, repair, or cleaning work on the unit, make sure the engine and cutting attachment are completely stopped. Disconnect the spark plug wire before performing service or maintenance work.
Stopping the Engine Adjusting the Chain WARNING! 3. Lift the nose of the guide bar while turning the chain tensioning screw. See Figure 18. Idle Adjusting Screw Faster Never attempt to install, replace, or adjust the chain with the engine running. Slower WARNING! The saw chain is very sharp. Wear gloves to protect your hands when handling.
Starting the Engine (continued) Chain Oiler Adjusting Oil Flow Rate IMPORTANT! WARNING! The cutting attachment may rotate when the engine is started! 5. When the engine starts, slowly move the choke lever to the "OPEN" position. See Figure 26. (If the engine stops after the initial start, close the choke and restart.) If the engine fails to start after several attempts with the choke in the closed position, the engine may be flooded with fuel.
Starting the Engine Mixing Fuel CAUTION! Some types of gasoline contain alcohol as an oxygenate. Oxygenated gasoline may cause increased operating temperatures. Under certain conditions, alcoholbased gasoline may also reduce the lubricating qualities of some 2cycle mixing oils. Never use any type of gasoline containing more than 10% alcohol by volume! Generic oils and some outboard oils may not be intended for use in high-performance 2-cycle type engines, and should never be used in your Shindaiwa engine.