SERVICE DATA. SRM-230U (Serial number : ~ ) SRM-231U (Serial number : ~ ) TRIMMER/BRUSHCUTTER KIORITZ CORPORATION

Transcription

1 10-22E-00 SRM-230 SRM-231 Series 1 1 SERVICE DATA TRIMMER/BRUSHCUTTER SRM-230 (Serial number : ~ ) SRM-230S (Serial number : ~ ) SRM-230U (Serial number : ~ ) SRM-231 (Serial number : ~ ) SRM-231S (Serial number : ~ ) SRM-231U (Serial number : ~ ) INTRODUCTION We are constantly working on technical improvement of our products. For this reason, technical data, equipment and design are subject to change without notice. All specifications and directions in this SERVICE DATA are based on the latest products information available at the time of publication. CONTENTS page 1 SERVICE INFORMATION Specification Technical data Torque limits Special repairing materials Service limits... 5 KIORITZ CORPORATION Reference No E-00 ISSUED:

2 2 SERVICE INFORMATION SRM-230 SRM-231 Series 1-1 Specifications Model SRM-230 SRM-230S SRM-230U SRM-231 SRM-231S SRM-231U Dimensions* Length mm(in) 1795 (70.7) 1795 (70.7) 1795 (70.7) Width mm(in) 250 (9.8) 700 (27.7) Height mm(in) 250 (9.8) 455 (17.9) Dry weight* kg(lb) 5.1 (11.2) 4.9 (10.8) 5.7 (12.6) Engine Type KIORITZ, air-cooled, two-stroke, single cylinder Rotation Counterclockwise as viewed from the output end Displacement cm 3 (in 3 ) 22.8 (1.39) Bore mm(in) 32.2 (1.27) Stroke mm(in) 28.0 (1.10) Compression ratio 7.1 Carburetor Type Diaphragm, horizontal-draught, with primer(purge pump) Model ZAMA RB-K66B Ignition Type CDI (Capacitor discharge ignition) Variable Slope Timing (VST) : Slope advance ignition combined with electronic speed governor Spark plug BPM8Y Exhaust Muffler type SRM-230, SRM-230S, SRM-230U : Spark arrestor muffler SRM-231, SRM-231S, SRM-231U : Spark arrestor muffler with catalyst Starter Type Automatic rewind Rope diameter x length mm(in) 3.5 x 850 (9/ 64 x 33 1/2) Fuel Type Premixed two-stroke fuel (Refer to Operator s manual.) Two-stroke engine oil ISO-L-EGD (ISO/CD13738) and J.A.S.O. FC Standards** Tank capacity L (U.S.fl.oz.) 0.58 (19.6) Clutch Type Centrifugal, 2-shoe pivot Handle Type Front Crescent loop with cushion grip U-shaped Rear Integrated control grip with cushion Drive shaft Type Flexible Solid Flexible Diameter - Length mm(in) (1/4-59.9) ( ) (1/4-59.9) Housing OD - ID m m (Main pipe) (in) (0.98-7/8) Length mm(in) 1500 (59.1) Gear case Reduction ratio 1.4 Gear tooth Spiral bevel gear Lubrication Lithium based grease or ECHO LUBE TM Cutter Type Nylon line cutter, 8-tooth blade, 22-tooth blade, Others Pilot diameter mm(in) 20.0 (0.79) Option Fastener type, size m m Left-hand thread nut, M10 x 1.25 pitch Cutting rotation Counterclockwise as viewed from top OD: Outer diameter. ID: Inner diameter. * Without shoulder harness and Nylon line head. ** Refer to Operator s manual. Install and use U-shaped handle and metal blade kit when operating any model with blade.

3 SRM-230 SRM-231 Series SERVICE INFORMATION Technical data E n gine Idling speed r/min Wide open throttle speed r/min 8500 Engine speed at beginning of clutch engagement r/min Compression pressure MPa (kgf/cm 2 ) (psi) 0.9 (9.0) (125) Ig nition Spark plug gap mm (in) ( ) Minimum secondary voltage at 1500 r/ min kv 13 Secondary coil resistance ký Pole shoe air gaps mm (in) ( ) Ignition timing at 1000r/min BTDC 16.5 Carburetor at 3000r/min BTDC 25.0 at 8500r/min BTDC 33.0 at 11000r/min BTDC 13.0 Venturi Size mm(in) 9.0 (0.354) Throttle Bore mm(in) 9.0 (0.354) Main jet #35 Test Pressure, minimum MPa (kgf/cm 2 ) (psi) 0.05 (0.5) (7.0) Metering lever height mm (in) ( ) lower than diaphragm seat BTDC: Before top dead center.

4 4 SERVICE INFORMATION SRM-230 SRM-231 Series 1-3 Torque limits Descriptions Size kgf cm N M in lbf Starter Ignition Fuel Starter pawl assembly M Starter casem 4* Flywheel M Ignition coil M 5* Fan cover M 5* Spark plug M Carburetor M Intake insulator M Fuel tank M 5* Clutch Clutch shoe M Engine Crankcase M Cylinder M Muffler M 5* Exhaust guide M Muffler cover M 5* Top guard M 5* Other Stand Starter side M 5* Fan case side M 5* Cutter fastener LM Regular bolt, nut, and screw *Apply thread locking sealant. (See below) M M M M M Special repairing materials Material Location Remarks Grease Drive shaft Gear case Rewind spring Starter center post Oil seal inner lips Lithium based grease or ECHO LUBE TM Thread locking Starter case sealant Fuel tank Loctite #648 or equivalent Ignition coil Fan cover Top guard Loctite #222, Three Bond #1342 or equivalent Stand Muffler cover Muffler Loctite #242, ThreeBond #1327 or equivalent

5 SRM-230 SRM-231 Series SERVICE INFORMATION Service Limits Description m m (in) Cylinder bore When plating is worn and aluminum can be seen Piston outer diameter Min (1.265) Piston pin bore Max (0.3161) Piston ring groove Max (0.061) Piston ring side clearance Max. 0.1 (0.004) Piston pin outer diameter Min (0.3138) Piston ring width Min (0.057) Piston ring end gap Max. 0.5 (0.02) Con-rod small end bore Max (0.472) Crankshaft runout Max (0.002) Clutch drum bore Max (2.34)