Zenoah PSZ2500 Owner's/Operator's Manual
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Zenoah PSZ2500 Owner's/Operator's Manual

Zenoah PSZ2500 Owner's/Operator's Manual

Zenoah pole saw owner/operator manual
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OWNER / OPERATOR MANUAL
WARNING
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.
APPLICABLE SERIAL NUMBERS :
DRIVE UNIT 000000 and up
POLE SAW
PSZ2500
Before using our machine, please
read this manual carefully to
understand the proper use of your
unit.
CUTTING UNIT 000000 and up
848-A52-93A1 (501)
WARNING
ENGINE UNIT 50100000 and up

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  • Page 1 California to cause cancer, birth defects or other reproductive harm. APPLICABLE SERIAL NUMBERS : DRIVE UNIT 000000 and up POLE SAW PSZ2500 Before using our machine, please read this manual carefully to understand the proper use of your unit.

  • Page 2: Table Of Contents

    SAFETY FIRST Instructions contained in warnings within this manual marked with a critical points which must be taken into consideration to prevent possible serious bodily injury, and for this reason you are requested to read all such instructions carefully and follow them without fail. ■...

  • Page 3: Parts Location

    Overall size(LxWxH)························································ 83.9(2130)x9.8(250)x12.2(310) in(mm) Dry weight w/o bar and chain ············································································ 11.1(5.05) lbs(kg) Engine Type ········································································· Air-cooled 2-stroke gasoline Model ··························································································· Zenoah GZ25N Displacement ··········································································· 1.6cu-in (25.4cm Max. output ······················································· 1.2Hp (0.9kW)at 7500/min Idle speed ············································································ 3000±200/min Fuel ··········································································· Mixture(Gasoline 50 : Oil 1) Carburetor ·······································································...

  • Page 4: Warning Labels On The Machine

    3. Warning labels on the machine (1) Read owner's manual before operating this machine. (2) Wear head, eye and ear protection. (3) Handling this machine improperly could result in accidents causing serious injury or death. Read this manual carefully and practice using the machine until you are fully acquainted with all operations and have learned to use it correctly.

  • Page 5: Symbols On The Machine

    4. Symbols on the machine IMPORTANT ENGINE INFORMATION THIS ENGINE CONFORMS TO 2005 U.S. EPA REGULATIONS FOR SMALL NONROAD ENGINES. COMPLIANCE PERIOD : CATEGORY A ENGINE FAMILY : 5KZXS.0254QR ; EM ENGINE DISPLACEMENT : REFER TO OWNER’S MANUAL FOR MAINTE- NANCE SPECIFICATIONS AND ADJUSTMENTS.

  • Page 6: For Safe Operation

    5. For safe operation 6  1. Read this manual carefully until you completely understand and follow all safety and operating instructions. 2. Keep this manual handy so that you may refer to it later whenever any questions arise. Also note, if you have any questions which cannot be answered herein, contact the dealer from whom you purchased the product.
  • Page 7 5. For safe operation b. At night, at times of heavy fog, or at any other times when your field of vision might be limited and it would be difficult to gain a clear view of the working area. c. During rain storms, during lightning storms, at times of strong or gale-force winds, or at any other times when weather conditions might make it unsafe to use the product.
  • Page 8 5. For safe operation 8  ■ BEFORE STARTING THE ENGINE 1. Make sure there is always good ventilation when operating the pruner. Fumes from engine exhaust can cause serious injury or death. Never run the engine indoors! 2. The area within a perimeter of 50 feet (15m) of the person using the product should be considered a hazardous area into which no one should enter.
  • Page 9 5. For safe operation WARNING Never place the throttle into the high speed position when starting the engine. 3. After starting the engine, check to make sure that the cutting attachment stops rotating when the throttle is moved fully back to its original position.
  • Page 10 5. For safe operation 10  • IF SOMEONE COMES 1. Guard against hazardous situations at all times. Warn adults to keep pets and children away from the area. Be careful if you are approached. Injury may result from flying debris. 2.
  • Page 11 5. For safe operation ■ HANDLING FUEL 1. The engine of the RedMax product is designed to run on a mixed fuel which contains highly flammable gasoline. Never store cans of fuel or refill the tank of the unit in any place where there is a boiler, stove, wood fire, electrical sparks, welding sparks, or any other source of heat or fire which might ignite the fuel.
  • Page 12 5. For safe operation 12  ■ KICKBACK PINCHING PRECAUTIONS Beware of kickback! Kickback can occur whenever the tip of the guide bar touches an object while the saw is operating. Kickback may force the bar up and back toward the operator with lightning-like speed! Beware of pinching.
  • Page 13 5. For safe operation WARNING • Make sure the chain and sprocket are correctly adjusted before operating the pruner (see page 15,16 for adjustment procedures). Never attempt chain adjustment with the engine running! • Always make sure the cutting attachment is properly installed and firmly tightened before operation.

  • Page 14: Set Up

    6. Set up 14  ■ MOUNTING ENGINE (SE1) 1. Push the driveshaft housing toward the clutch housing and rotate it by hand to check that the driveshaft is engaged with the gears. 2. Insert the driveshaft housing into the clutch housing until it bottoms, and align the positioning holes on the clutch housing and the shaft tube and install the screw.
  • Page 15 6. Set up A standard package contains the items as shown below. (SE4) (1) Guide bar (2) Saw chain (3) Gase case (4) Sprocket (5) Chain tension adjust screw (6) Nut (7) Chain tensioner nut (8) Chain cover Install the guide bar and the saw chain on the gear case as follows.
  • Page 16 6. Set up 16  5. Tighten the mounting nut securely with the bar tip held up (SE8)(TORQUE: 8.9~11.7 N.m./90~120 kg-cm). Then check the chain for smooth rotation and correct tension while moving it by hand. If necessary, readjustment. (1) Tighten WARNING It is very important to maintain the proper chain tension.

  • Page 17: Fuel And Chain Oil

    7. Fuel and chain oil WARNING • Gasoline is very flammable. Avoid smoking or bringing any flame or sparks near fuel. Make sure to stop the engine and allow it cool before refueling the unit. Select outdoor bare ground for fueling and move at least 3m (10ft) away from the fueling point before starting the engine.
  • Page 18 7. Fuel and chain oil again for at least one minute. As some oils may be difficult to agitate depending on oil ingredients, sufficient agitation is necessary for the engine to last long. Be careful that, if the agitation is insufficient, there is an increased danger of early piston seizing due to abnormally lean mixture.

  • Page 19: Operation

    8. Operation ■ STARTING ENGINE WARNING The cutting head will start rotating upon the engine starts. 1. Feed fuel and chain oil into their respective tanks and tighten the caps securely. (OP1) 2. Rest the unit on a flat, firm place. Keep the cutting head off the ground and clear of surrounding objects as it will start rotating upon starting of the engine.
  • Page 20 8. Operation 20  ■ STOPPING ENGINE (OP4) 1. Release the throttle lever and run the engine for a half minute. 2. Shift the ignition switch to the STOP position. IMPORTANT • Except for an emergency, avoid stopping the engine while pulling the throttle lever. ■...
  • Page 21 8. Operation .04 in (1~2mm) Adjust the pump as follows: 1. Stop the engine and make sure the stop switch is in the OFF position. 2. Place the unit on its side with the oil reservoir up. (OP7) (1) Oil tank (2) Chain cover IMPORTANT The oil flow adjusting screw must be pressed in slightly in order to turn.

  • Page 22: Maintenance

    9. Maintenance Maintenance, replacement, or repair of the emission control device and systems may be performed by any non-road engine repair establishment or individual. ■ MAINTENANCE CHART system/compornent fuel leaks, fuel spillage fuel tank, air filter, fuel filter idle adjusting screw spark plug cylinder fins, intake air cooling vent clean muffler, spark arrester, cylinder exhaust port clean...
  • Page 23 9. Maintenance The bar rail should always be a square. Check for wear of the bar rail. Apply a ruler to the bar and the outside of a cutter. If a gap is observed between them, the rail is normal. Otherwise, the bar rail is worn. Such needs replaced.(MA4) (1) Ruler...
  • Page 24 9. Maintenance 24  Place your file on the cutter and push straight forward. Keep the file position as illustrated. (MA6) After every cutter has been set, check the depth gauge and file it to the proper level as illustrated. (MA7) WARNING Be sure to round off the front edge to reduce...
  • Page 25 9. Maintenance MA10 MA11 ■ GEAR CASE reduction gears multipurpose, lithium-based grease in the gearcase. Supply new grease every 25 hours of use or more often depending on the job condition. When adding lubricant, use a grease gun to insert lubricant into the three grease nipples located on the gear case.
  • Page 26 9. Maintenance MA12 .025 in 0.655mm MA13 26  ■ SPARK PLUG • Starting failure and mis-firing are often caused by a fouled spark plug. Clean the spark plug and check that the plug gap is in the correct range. For a replacement plug, use the correct type specified by RedMax.
  • Page 27 9. Maintenance MA14 MA15 ■ INTAKE AIR COOLING VENT WARNING • Never touch the cylinder, muffler, or spark plugs with your bare hands immediately after stopping the engine. become very hot when in operation, and doing so could result in severe burns. •...

  • Page 28: Storage

    10. Storage 11. Troubleshooting guide Case 1. Starting failure CHECK fuel tank fuel filter carburetor adjustment screw ➞ sparking (no spark) spark plug Case 2. Engine starts but does not keep running/Hard re-starting. CHECK fuel tank carburetor adjustment screw muffler,cylinder (exhaust port) ➞ carbon is built-up air cleaner cylinder fin, fan cover When your unit seems to need further service, please consult with our RedMax service shop in your area.

  • Page 29: Parts List

    12. Parts list NOTE : 1. Use KOMATSU ZENOAH genuine parts as specified in the parts list for repair and/or replacement. 2. KOMATSU ZENOAH does not warrant the machines, which have been damaged by the use of any parts other than those specified by the company.
  • Page 30 12. Parts list Fig.1 DRIVE UNIT PSZ2500 (S/N 000000 and up) Fig.2 CUTTING UNIT PSZ2500 (S/N 000000 and up) 30 ...
  • Page 31 Fig.1 DRIVE UNIT PSZ2500 (S/N 000000 and up) Key# Description PIPE COMP. SHAFT GRIP LEVER COMP. • LEVER • CORD(A) • CORD(B) TUBE CABLE COMP. HANGER ASSY • HANGER COMP. • • HANGER • • CLAMP • • SLEEVE • SCREW Fig.2 CUTTING UNIT PSZ2500 (S/N 000000 and up)
  • Page 32 12. Parts list Fig.3 ENGINE UNIT PSZ2500 (S/N 50100000 and up) 32 ...
  • Page 33 Fig.3 ENGINE UNIT PSZ2500 (S/N 50100000 and up) Key# Description CYLINDER GASKET, base BOLT INSULATOR GASKET, insulator GASKET, carburetor SCREW REEDVALVE (S) ASSY • VALVECASE (S) • REEDVALVE • STOPPER • SCREW PIRE AIR (S) REEDVALVE (F) ASSY • VALVECASE (F) •...
  • Page 34 EMISSION-RELATED PARTS, FOR TWO (2) YEARS FROM THE DATE OF ORIGINAL DELIVERY OF THE UNIT, KOMATSU ZENOAH AMERICA INC. (THE COMPANY), THROUGH ANY RedMax DEALER, WILL REPAIR OR REPLACE, FREE OF CHARGE, FOR THE ORIGINAL AND EACH SUBSEQUENT PURCHASER, ANY PART OR PARTS FOUND TO BE DEFECTIVE IN MATERIAL AND/OR WORKMANSHIP.
  • Page 35 ZENOAH AMERICA INC. au (770)-381-5147 Note importante: vous recevrez une carte d'enregistrement de garantie au moment de l'achat. Veuillez la remplir et l'adresser à RedMax / KOMATSU ZENOAH AMERICA sous sept (7) jours en prenant soin de conserver une copie pour vous.
  • Page 36 KOMATSU ZENOAH AMERICA INC. 4344 Shackleford Road Suite 500 Norcross, Georgia 30093 © Printed in Japan...

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