Cub Cadet ST23 Operator's Manual
  1. Manuals
  2. Brands
  3. Cub Cadet Manuals
  4. Trimmer
  5. ST23
  6. Operator's manual

Cub Cadet ST23 Operator's Manual

Cub cadet trimmer user manual
Hide thumbs
Table of Contents

Advertisement

Quick Links

S T 2 3
S T 2 6
S T 3 5
Trimmers
Operator's Manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the ST23 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Cub Cadet ST23

Summary of Contents for Cub Cadet ST23

  • Page 1 S T 2 3 S T 2 6 S T 3 5 Trimmers Operator's Manual...

  • Page 2: Table Of Contents

    Commercial line of trimmers. You must read and understand this Operator’s Manual and especially the Safety Precautions for proper and safe operation. Cub Cadet Commercial's philosophy is to continually improve all of its products. As a result, engineering changes and improvements are made from time to time. If the operating characteristics or the appearance of your trimmer differ from those described in this Operator’s Manual, please contact your Cub Cadet...

  • Page 3: Safety Precautions

    5. Cub Cadet Commercial does not recommend the use of rigid blades when cutting in stony areas. Thrown objects or damaged blades may result in serious or fatal injury to the operator or bystand- ers.

  • Page 4: Safety Precautions

    1. Never modify the trimmer in any way. Only attachments supplied by Cub Cadet Commercial or expressly approved by Cub Cadet Commer- cial for use with the specific Cub Cadet Commer- cial trimmer models are authorized. Although certain unauthorized attachments are usable with the Cub Cadet Commercial trimmer, their use may, in fact, be extremely dangerous.
  • Page 5 Cub Cadet Commercial recommends use of the nylon line heads or Polycut head for such jobs. In addition, be alert to an increased possibility of ricochets in such situations.
  • Page 6 The retaining bolt may be worn or damaged and should be replaced. Never use unauthorized parts to secure the blade. If the blade continues to loosen, see your Cub Cadet Commercial dealer. Never use a trimmer with a loose blade.

  • Page 7: Metal Blade Use

    B. Deflector; 4.IM-720463430 C. Handle; 5.590541 D. Shoulder Harness; 6.IM-720853461 Always wear hearing, eye, foot and leg protection when operating trimmer. Blade coasts after throttle release, maintain control and stop blade by contact with cut materials before the unit is set down.

  • Page 8: Decal Information

    DULL, OR IMPROPERLY SHARPENED BLADES. Do not remove shields or decals, modify the unit or install unapproved attachments or parts. Approved attachments and replacement Operator's Manuals are available from your Cub Cadet Commercial dealer or by writing: CUB CADET CORPORATION P.O.Box 368023, Cleveland,OH 44136-9723...

  • Page 9: Specifications

    1.22/7500 All position diaphragm carburetor with priming pump. Spark arrester muffler. Flywheel magneto. (Electronic) NGK BPMR7A Mixed (gasoline and oil). 50:1 Using Cub Cadet Commercial 2-Stroke Engine Oil. 25-30:1 Using Other Brands of TC Oil. 0.45 0.55 15.2 18.6 ST35...

  • Page 10: Parts Description

    REF NO. DESCRIPTION Gear Case Grip Throttle Wire Throttle Lever Hanger Shoulder Band (Standard on ST35) WARNING • This unit can be dangerous and cause serious injury if improperly used. To reduce injury risk to operator, helpers and bystanders, read and understand the Operator and Safety Manual.

  • Page 11: Trimmer Assembly

    6. Line up the loop handle and tighten the screws firmly. B. MOUNTING THE DEFLECTOR: 1. To mount the deflector, lay the trimmer on its back with the cutting tool head facing upward. ( A ) 2. Place the deflector (Ref. 1) inside pointing upward, on the bracket already fitted to the drive shaft.

  • Page 12: Trimmer Assembly

    2. Align the hole in the holder (Ref. 3) with the hole in the gear case (Ref. 2) and install the locking tool (Ref. 1). 3. Fit the nylon line trimmer head (Ref. 4) onto the shaft (turning it counterclockwise) until it is tight. 4. Remove the locking tool.

  • Page 13: Fueling Instructions

    WARNING Reread the Safety Precautions relating to “Handling Fuel” on Page 3. The Cub Cadet Commercial trimmer uses an oil- gasoline mixture as fuel. The engine is certified to operate on unleaded gasoline. Use regular name-brand unleaded gasoline with a minimum octane number of 89.

  • Page 14: Fueling Instructions

    FUEL MIXTURE : When using Cub Cadet Commercial 50:1 2-cycle brand oil, or a quality oil designed for 2-cycle air- cooled engines, oil ratio is 50 parts gasoline to 1 part oil or 50:1. CAUTION Never use a mixing ratio greater than 50:1 regardless of the oil package mixing instructions.

  • Page 15: Operation

    OPERATION A. STARTING: WARNING Reread the Safety Precautions relating to “Starting” on Page 3. WARNING When the engine starts, the cutting tool may rotate even with the throttle trigger in the low-speed position possibly causing injury. 1. When the Engine is Cold. STOP START a.
  • Page 16 e. Put the unit on the ground: It must rest securely on the engine support and deflector. Check that the cutting tool is not touching the ground or any other obstacles. f. Make sure you have a firm footing: Hold the unit with your left hand and press it down firmly.
  • Page 17 OPERATION B. STOPPING: STOP START 1. Return the throttle to the “IDLE” position and let the engine run for 2 or 3 minutes until it has cooled down. 2. Slide the ignition switch (Ref.1) to the “STOP” position. WARNING Reread the Safety Precautions relating to “Operation”...

  • Page 18: Maintenance

    NOTE: MAINTENANCE, REPLACEMENT, OR REPAIRE OF THE EMISSION CONTROL DEVICE AND SYSTEMS MAY BE PERFORMED BY ANY NONROAD ENGINE REPAIRE ESTABLISHMENT OR INDIVIDUAL. PART MAINTENANCE Complete Machine Visual Inspection (Condition, Leaks) Clean Control Handle Check Operation Fuel Filter Check Replace Carburetor Adjust Cooling System...
  • Page 19 (*1) • At an authorized Cub Cadet Commercial servicing facility to be charged. (*2) • For consumer use / At an authorized Cub Cadet Commercial servicing facility to be charged. (*3) • For commercial use / At an authorized Cub Cadet Commercial servicing facility to be charged.
  • Page 20 (Ref. I) after every correction to the low speed adjusting screw (Ref. 7. Proper idling speed: ST23,26... 2,800-3,000 rpm ST35... 2,500-2,700 rpm 8. The engine stops while idling: Turn the idle speed adjusting screw (Ref. I) clockwise until the engine runs smoothly, but the cutting tool must not rotate.
  • Page 21 MAINTENANCE B. THE THROTTLE WIRE ADJUSTMENT 1. Maintain a wire end-play of about 1/16 inch (1- 2mm) with the adjuster and fix it with the tightening bolt (Ref.2). WARNING To reduce the risk of injury from loss of control, maintain the wire end-play at about 1/16 inch (1-2mm).
  • Page 22 Dirty air filters reduce engine power, increase fuel consumption and make starting more difficult. If there is a noticeable loss of engine power: ST23, 26 1. Turn the choke lever (Ref. 1) to “CLOSE”. Loosen the screw (Ref. 2) and remove the air filter cover (Ref.
  • Page 23 This procedure requires specialized engine service techniques and the proper tools. Contact the authorized Cub Cadet Commercial dealer where you bought your trimmer or your nearest Cub Cadet Commercial Service Center. IMPORTANT Do not use a metal tool to scrape carbon from the exhaust port.
  • Page 24 I. FUEL SYSTEM. 1. Change the fuel pick up body every year. 2. Before storing your machine for a long period, drain and clean the fuel tank and run the engine until the carburetor is dry. 3. The fuel tank and the container in which the fuel mix is stored should be cleaned from time to time.

  • Page 25: Troubleshooting Guide

    Bent or Damaged Cutting Tool Cutting Tool Out of Balance Loosened Bolt And Nut SOLUTION Replace Clean See your Cub Cadet dealer See your Cub Cadet dealer Open Choke Clean/Replace Air Filter Adjust Carburetor See your Cub Cadet dealer Turn Switch On See your Cub Cadet dealer Re-gap 0.22in.(0.55mm)
  • Page 26 Warranty Period. All defective parts replaced under this Limited Warranty become the property of Cub Cadet Corporation. For warranty service, you must, at your own expense, deliver the Product to, and pick it up from, an authorized Cub Cadet Commercial servicing facility.

  • Page 27: Warranty

    (b) As the engine owner, you should be aware, however, that Cub Cadet Commercial and ISM may deny you warranty coverage if your engine or a part has failed due to abuse, neglect, improper maintenance or unapproved modifications.
  • Page 28 (c) Consequential damages such as loss of time, inconvenience, or loss of use of this engine or equipment; however, Cub Cadet Commercial and ISM are liable for damages to other engine components caused by the failure of a warranted part while it is still under warranty.
  • Page 29 S T 2 3 S T 2 6 S T 3 5 Trimmers Parts List...
  • Page 30 ENGINE, ST23 TRIMMER...
  • Page 31 ENGINE, ST23 TRIMMER – PARTS LIST Ref. Parts Description Used 1 IM-115253421 Crankshaft ... 1 2 IM-034309031 Key ... 1 3 IM-115013300 Piston Assembly (Includes 2 Ref. 4) ... 1 4 IM-115113650 Ring, Piston ... 2 5 IM-115323130 Pin, Piston ... 1 6 IM-198343210 Clip, Piston Pin ...
  • Page 32 SHAFT, ST23 TRIMMER Optional...
  • Page 33 SHAFT, ST23 TRIMMER – PARTS LIST Ref. Parts Description Used 1 IM-720113160 Shaft, Drive ... 1 2 IM-720124320 Pipe, Complete (Includes 6 Ref. 3) ... 1 3 IM-720133160 Metal ... 6 4 IM-720203082 Hanger ... 1 5 IM-720973178 Bolt, M6x14 ... 1 6 IM-720623400 Grip ...
  • Page 34 ENGINE, ST26 TRIMMER...
  • Page 35 ENGINE, ST26 TRIMMER – PARTS LIST Ref. Parts Description Used 1 IM-115253470 Crankshaft ... 1 2 IM-115013311 Piston Assembly (Includes 2 Ref. 3) ... 1 3 IM-115113650 Ring, Piston ... 2 4 IM-115323040 Pin, Piston ... 1 5 IM-198343210 Clip, Piston Pin ... 2 6 IM-042709008 Bearing, Needle ...
  • Page 36 SHAFT, ST26 TRIMMER Optional...
  • Page 37 SHAFT, ST26 TRIMMER – PARTS LIST Ref. Parts Description Used 1 IM-720113160 Shaft, Drive ... 1 2 IM-720124330 Pipe, Complete (Includes 6 Ref. 3) ... 1 3 IM-720133160 Metal ... 6 4 IM-720203082 Hanger ... 1 5 IM-720973178 Bolt, M6x14 ... 1 6 IM-720623400 Grip ...
  • Page 38 ENGINE, ST35 TRIMMER...
  • Page 39 ENGINE, ST35 TRIMMER – PARTS LIST Ref. Parts Description Used 1 IM-115253440 Crankshaft ... 1 2 IM-034309031 Key ... 1 3 IM-115013280 Piston Assembly (Includes 2 Ref. 4) ... 1 4 IM-115113730 Ring, Piston ... 2 5 IM-115323030 Pin, Piston ... 1 6 IM-198343040 Clip, Piston Pin ...
  • Page 40 SHAFT, ST35 TRIMMER Optional...
  • Page 41 SHAFT, ST35 TRIMMER – PARTS LIST Ref. Parts Description Used 1 IM-720113120 Shaft, Drive ... 1 2 IM-720124290 Pipe, Complete (Includes 6 Ref. 3) ... 1 3 IM-720133061 Metal ... 6 4 IM-720203073 Hanger ... 1 5 IM-720973178 Bolt, M6x14 ... 1 6 IM-720623251 Grip ...
  • Page 42 100814820. M2,5. F9. Sh. Printed in Japan.

This manual is also suitable for:

St26St35

Table of Contents

Save PDF