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Summary of Contents for Yamabiko Echo SRM-2620ES
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SRM-2620ES ECHO: SRM-2620TES T262XS C262S shindaiwa: T262TXS C262TS (Serial number: 37000001 and after) Ref. No. 402-43 Copyright C 2018 YAMABIKO Corporation All rights reserved.
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INTRODUCTION This service manual contains information for service and maintenance of ECHO TRIMMER / B R U S H C U T T E R , m o d e l s S R M -2620E S , SRM-2620TES, shindaiwa T262XS, C262S, T262TXS and C262TS.
497 (19.6) Dry weight* kg (lb) 6.0 (13.3) 6.2 (13.7) 6.1 (13.5) 6.4 (14.3) Engine Type YAMABIKO, air-cooled, two-stroke, single cylinder Rotation Anticlockwise as viewed from the output end Displacement 25.4 (1.550) Bore mm (in) 34.0 (1.339) Stroke mm (in) 28.0 (1.102)
SRM-2620ES, SRM-2620TES T262XS, C262S SERVICE INFORMATION T262TXS, C262TS 1-2 Technical data Engine Compression pressure MPa (kgf/cm ) (psi) 0.97 (9.8) (140) Clutch engagement speed r/min 4,100 † Engagement Minimum r/min 3,800 Ignition system Spark plug gap mm(in) 0.6 - 0.7 (0.024 - 0.028) Spark test Tester gap w/ spark plug mm(in)
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SRM-2620ES, SRM-2620TES T262XS, C262S SERVICE INFORMATION T262TXS, C262TS 1-2 Technical data (continued) SRM-2620ES SRM-2620TES Model T262XS, C262S T262TXS, C262TS Carburettor adjustment Nylon line cutter Cutting head preparation Line length (w/o shield)* 190 mm 285 mm 1) Initial setting H mixture needle turn out L mixture needle turn out...
SRM-2620ES, SRM-2620TES T262XS, C262S SERVICE INFORMATION T262TXS, C262TS 1-5 Service limits 5K243 5K228 5K229 5K230 5K231 5K016 5K042 5K244 5K219 5K171 5K232 Description mm (in) A Cylinder bore When plating is worn and aluminum can be seen B Piston outer diameter Min.
SRM-2620ES, SRM-2620TES T262XS, C262S STARTER SYSTEM T262TXS, C262TS 2 STARTER SYSTEM (A) Starter case (B) Starter grip (C) Rope guide (D) Rewind spring (d) End of rewind spring (E) Rope reel (F) Power spring (f) Top end hook of power spring (G) Pawl catcher (H) Starter pawl (J) Spring...
SRM-2620ES, SRM-2620TES T262XS, C262S STARTER SYSTEM T262TXS, C262TS 2-1 Disassembling starter assembly (continued) 5. Pull out starter rope about 30 cm (12 in) and hold rope reel (M) by hand. Loop excess rope in rope reel notch (m) as shown. 6.
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SRM-2620ES, SRM-2620TES T262XS, C262S STARTER SYSTEM T262TXS, C262TS 2-2 Replacing starter rope 1. Pull out knot (A) and clip (B). Untie knot (A). 2. Pull out knot (D) from rope reel (C). 3. When installing a new starter rope, singe both ends of the rope to prevent from fraying.
SRM-2620ES, SRM-2620TES T262XS, C262S STARTER SYSTEM T262TXS, C262TS 2-3 Replacing rope guide If rope guide is worn out or damaged, replace it as follows: 1. Remove or break rope guide by prying from starter case with a blade screwdriver. 2. Push out remaining guide from case. 3.
SRM-2620ES, SRM-2620TES T262XS, C262S STARTER SYSTEM T262TXS, C262TS 2-4 Installing rewind spring (continued) Rewind spring supplied as spare part is shipped in temporary retainer. To install new spring wound in retainer: 1) Align outer hook of spring in retainer with the holder (c) of starter case.
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SRM-2620ES, SRM-2620TES T262XS, C262S STARTER SYSTEM T262TXS, C262TS 2-5 Assembling starter (continued) 4. Install pawl catcher, assembling power spring hook (c2) into hole (e) of pawl catcher (E). 5. Fasten tapping screw (F) on starter post. 6. Pull out starter rope inside starter case. Ro- tate rope reel counterclockwise several turns with starter rope hooked at notch (a2) as shown.
SRM-2620ES, SRM-2620TES T262XS, C262S STARTER SYSTEM T262TXS, C262TS 2-6 Replacing starter pawl 1. Remove starter assembly, and check starter pawl (A) and pawl spring (B). Replace them if de- fective. 2. Clean dirt around spark plug, and remove spark plug. 3.
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SRM-2620ES, SRM-2620TES T262XS, C262S STARTER SYSTEM T262TXS, C262TS 2-6 Replacing starter pawl (continued) NOTE: Insert rib (h) of starter case to gap (f) be- tween crankacse and dust cover. Insert rib (j1) of starter case to hole (g1) of crankacse. Insert rib (j2) of starter case to hole (g2) of crankacse as shown.
SRM-2620ES, SRM-2620TES T262XS, C262S IGNITION SYSTEM T262TXS, C262TS 3-2 Testing spark 1. Remove spark plug cap from spark plug. 2. Connect spark tester 897800-79931 (A) to high tension lead and connect tester lead (B) on spark plug. 3. Screw in adjuster (a1) until the needle tips con- tact.
SRM-2620ES, SRM-2620TES T262XS, C262S IGNITION SYSTEM T262TXS, C262TS 3-4 Inspecting ignition switch 1. Disconnect primary lead coupler (A). 2. Disconnect ground lead coupler (B). 3. Connect one probe of Ohm-meter or multi- meter to primary lead (C) of ignition switch side as shown.
SRM-2620ES, SRM-2620TES T262XS, C262S IGNITION SYSTEM T262TXS, C262TS 3-5 Replacing ignition switch For SRM-2620ES, SRM-2620TES, T262XS and T262TXS (L handle) 1. Remove screws (A) and remove rear handle grip half (B) from drive shaft housing. 2. Remove screws (C) from brackets (O) and re- move another rear handle grip half (D) from drive shaft housing.
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SRM-2620ES, SRM-2620TES T262XS, C262S IGNITION SYSTEM T262TXS, C262TS 3-5 Replacing ignition switch (continued) 9. Route leads behind ignition switch (L), and then install ignition switch to rear handle grip half. Route leads through grooves and ribs (R) of rear handle grip half as shown. 10.
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SRM-2620ES, SRM-2620TES T262XS, C262S IGNITION SYSTEM T262TXS, C262TS 3-5 Replacing ignition switch (continued) For SRM-2620ES, SRM-2620TES, C262XS and C262TXS (U handle) 1. Separate right-hand grip. Disconnect primary lead coupler and ground lead coupler (refer to “3-4 Inspecting ignition switch”). Disconnect throttle cable from carburetor.
SRM-2620ES, SRM-2620TES T262XS, C262S IGNITION SYSTEM T262TXS, C262TS 3-5 Replacing ignition switch (continued) 12. Seat square nut (G) in dent of handle grip and push in corrugated tube (F) to the grip two or three grooves from tube end. 13. Put together both grip halves. 14.
SRM-2620ES, SRM-2620TES T262XS, C262S IGNITION SYSTEM T262TXS, C262TS 3-7 Replacing spark plug cap and coil 1. Disconnect spark plug cap (A) from spark plug. 2. Apply some oil in spark plug cap (A) for easy re- moval from high tension lead (B). 3.
SRM-2620ES, SRM-2620TES T262XS, C262S IGNITION SYSTEM T262TXS, C262TS 3-9 Setting pole shoe air gaps 1. Insert Module air gap gauge: 91004 (A) or 0.3 - 0.4 mm (0.012 - 0.016 in) thick feeler gauge be- tween fl ywheel and ignition coil shoes. 2.
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SRM-2620ES, SRM-2620TES T262XS, C262S IGNITION SYSTEM T262TXS, C262TS 3-10 Inspecting fl ywheel and key (continued) 6. Remove fl ange nut (G) on fl ywheel (H) using 13 mm (0.51 in) box wrench (B) or similar tool. 7. Set puller Y089-000111 (J) on fl ywheel (H) as shown.
SRM-2620ES, SRM-2620TES T262XS, C262S FUEL SYSTEM T262TXS, C262TS 4 FUEL SYSTEM ( A ) Fuel tank ( B ) Fuel cap ( C ) Fuel strainer ( D ) Fuel line grommet ( E ) Fuel line ( F ) Tank vent line ( G ) Fuel return line ( H ) Tank vent ( J ) Carburetor...
SRM-2620ES, SRM-2620TES T262XS, C262S FUEL SYSTEM T262TXS, C262TS 4-1 Cleaning air fi lter 1. Close choke shutter and remove air cleaner cover and air fi lter. Outside 2. Clean air cleaner cover and air fi lter with com- pressed air or wash air fi lter in a suitable cleaning Engine side solvent.
SRM-2620ES, SRM-2620TES T262XS, C262S FUEL SYSTEM T262TXS, C262TS 4-3 Inspecting fuel tank and tank vent 1. Remove air cleaner cover. Disconnect black fuel line from carburetor and connect pressure tester 897803-30133 (A) to fuel line with joint pipe V186- 000150 (B). 2.
SRM-2620ES, SRM-2620TES T262XS, C262S FUEL SYSTEM T262TXS, C262TS 4-4 Replacing fuel line, fuel return line, tank vent line and grommet 1. Disconnect fuel line (A) and fuel return line (B) from carburetor. 2. Remove fuel line grommet (D) from fuel tank, together with fuel line (A), fuel return line (B) and tank vent line (C).
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SRM-2620ES, SRM-2620TES T262XS, C262S FUEL SYSTEM T262TXS, C262TS 4-4 Replacing fuel line, fuel return line, tank vent line and grommet (continued) 5. Set clip (F) on fuel line (E) and connect fuel strainer (K) as shown. 6. Connect fuel line (A) on connector pipe (M). 7.
SRM-2620ES, SRM-2620TES T262XS, C262S FUEL SYSTEM T262TXS, C262TS 4-5 Adjusting carburetor 4-5-1 General adjusting rules A. Before adjustment, check the following items 1. Correct spark plug must be clean and properly gapped. 2. Air fi lter element must be clean and properly installed. 3.
SRM-2620ES, SRM-2620TES T262XS, C262S FUEL SYSTEM T262TXS, C262TS 4-5 Adjusting carburetor (continued) 4-5-3 Adjusting carburetor 1. Start and warm engine for 180 seconds alternat- ing RPM between idle for 10 seconds and WOT for 50 seconds. 2. Adjust L mixture needle (B) to reach maximum idle speed using D-shaped tool(A).
SRM-2620ES, SRM-2620TES T262XS, C262S FUEL SYSTEM T262TXS, C262TS 4-6 Testing carburetor 1. Remove air cleaner cover. Push purge bulb sev- eral times to fi ll and wet fuel pump circuit with fuel. 2. Pull off black fuel line (A) from carburetor and connect pressure tester 897803-30133 (C) to fuel fi...
SRM-2620ES, SRM-2620TES T262XS, C262S FUEL SYSTEM T262TXS, C262TS 4-7 Inspecting crankcase pulse passage 1. Remove carburetor and insulator plate boot (B), and drop a little oil in pulse hole (A) on intake bel- lows. 2. Remove spark plug and pull starter grip several times.
SRM-2620ES, SRM-2620TES T262XS, C262S FUEL SYSTEM T262TXS, C262TS 4-9 Inspecting inlet needle valve 1. Remove metering lever (A) and pivot pin. Re- move spring (B) and inlet needle valve (C). 2. Inspect inlet needle valve if worn or sticky. Clean or replace as required.
SRM-2620ES, SRM-2620TES T262XS, C262S FUEL SYSTEM T262TXS, C262TS 4-11 Replacing throttle cable and control parts When throttle cable inner wire does not move smoothly, disconnect throttle cable from carburetor and apply lubricating oil inside the cable. If it is still hard to move, replace throttle cable. For SRM-2620ES, SRM-2620TES, T262XS and T262TXS (L handle) 1.
SRM-2620ES, SRM-2620TES T262XS, C262S CLUTCH SYSTEM T262TXS, C262TS 5 CLUTCH SYSTEM ( A ) Fan cover ( B ) Ball bearing ( C ) Retaining ring ( D ) Clutch drum ( E ) Wave washer ( F ) Clutch shoe ( G ) Washer ( H ) Spring ( J ) Fan cover protector...
SRM-2620ES, SRM-2620TES T262XS, C262S CLUTCH SYSTEM T262TXS, C262TS 5-1 Removing clutch shoes and springs 1. Remove muffler cover, engine cover and fan cover. 2. Install rope (A) into spark plug hole by hand, to stop crankshaft rotation. NOTE: Do not use power tool. Otherwise, piston damage may occur.
SRM-2620ES, SRM-2620TES T262XS, C262S CLUTCH SYSTEM T262TXS, C262TS 5-4 Removing clutch drum bearings 1. Remove retaining ring (A) from fan cover. 2. Remove two ball bearings (B) together from fan cover, using bearing tool 897701-14732 (C) as shown. 5-5 Installing bearings and clutch drum 1.
SRM-2620ES, SRM-2620TES T262XS, C262S ENGINE T262TXS, C262TS 6-3 Inspecting muffl er and exhaust port 1. Remove muffl er cover and cylinder cover. 2. Remove muffl er. 3. Inspect cylinder exhaust port and clean exhaust port using wooden or plastic stick if carbon is found.
SRM-2620ES, SRM-2620TES T262XS, C262S ENGINE T262TXS, C262TS 6-4 Testing crankcase and cylinder sealing 1. Remove cylinder cover, muffl er, air cleaner cov- er and carburetor. 2. Close intake port and crankcase pulse passage using pressure rubber plug 897826-16131 (A) and Bellows holder (B).
SRM-2620ES, SRM-2620TES T262XS, C262S ENGINE T262TXS, C262TS 6-6 Inspecting piston and piston ring 1. Inspect piston rings and replace them if broken or scored, or if it exceeds service limits (Refer to “1-5”). 2. Inspect piston crown, top land, ring groove and skirt.
SRM-2620ES, SRM-2620TES T262XS, C262S ENGINE T262TXS, C262TS 6-8 Inspecting crankcase and crankshaft 1. Remove three bolts securing crankcase. 2. Hold a crankcase half and tap crankshaft end using plastic hammer to separate the halves with a heat gun. 3. Hold the other crankcase half and tap the end of crankshaft to remove crankshaft with a heat gun.
SRM-2620ES, SRM-2620TES T262XS, C262S ENGINE T262TXS, C262TS 6-10 Replacing ball bearing 1. Check main ball bearing for smooth rotation, after disassembling crankshaft. If rough, replace it (them) with new one. 2. Pry oil seal from crankcase. 3. Remove main ball bearing from crankcase half using bearing tool 897701-14732 as follows.
SRM-2620ES, SRM-2620TES T262XS, C262S ENGINE T262TXS, C262TS 6-12 Installing piston 1. Place piston over the small end of connecting rod, so that the arrow mark (A) on piston points to- ward muffl er. 2. Insert piston pin guide (B) stamped “8”, through piston and washers (C) in connecting rod as shown.
SRM-2620ES, SRM-2620TES T262XS, C262S CUTTER DRIVE SYSTEM T262TXS, C262TS 7 CUTTER DRIVE SYSTEM on SRM-2620ES, C262S and T262XS ( A ) PTO (Driven) Shaft ( B ) Ball bearing ( C ) Retaining ring ( D ) Washer ( E ) Blade fi xture ( F ) Gear set ( G ) Cup plate ( H ) Gear case...
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SRM-2620ES, SRM-2620TES T262XS, C262S CUTTER DRIVE SYSTEM T262TXS, C262TS 7 CUTTER DRIVE SYSTEM on SRM-2620TES, C262TS and T262TXS ( A ) PTO (Driven) Shaft ( B ) Ball bearing ( C ) Retaining ring ( D ) Washer ( E ) Blade fi xture ( F ) Gear set ( G ) Cup plate ( H ) Gear case...
SRM-2620ES, SRM-2620TES T262XS, C262S CUTTER DRIVE SYSTEM T262TXS, C262TS 7-1 Disassembling gear case 1. Check gear case for cracks and PTO shaft for smooth rotation. Disassemble gear case as follows if defective. 2. Remove nylon line head from PTO shaft, and gear case (A) from drive shaft housing.
SRM-2620ES, SRM-2620TES T262XS, C262S CUTTER DRIVE SYSTEM T262TXS, C262TS 7-2 Replacing gears and PTO shaft NOTE : Replace drive gear (A), driven gear (B) and ball bearings (C) as a set. SRM-2620TES T262TS C262TXS 1. Remove retaining ring (D) using needle nose SRM-2620TES pliers.
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SRM-2620ES, SRM-2620TES T262XS, C262S CUTTER DRIVE SYSTEM T262TXS, C262TS 7-2 Replacing gears and PTO shaft (continued) For SRM-2620ES, C262S and T262XS 5. Install a new ball bearing (M) to the PTO shaft using oil seal tool 897714-24330 (F). 6. Install a new driven gear (N) to PTO shaft. 7.
SRM-2620ES, SRM-2620TES T262XS, C262S CUTTER DRIVE SYSTEM T262TXS, C262TS 7-3 Assembling gear case 1. Heat up the top of gear case with a heat gun as shown, then insert the assembled PTO shaft (A) into gear case until its bottom. WARNING DANGER When using a heat gun, put on gloves.
SRM-2620ES, SRM-2620TES T262XS, C262S MAINTENANCE GUIDE T262TXS, C262TS 8-3 Troubleshooting guide TROUBLE Engine does not crank. Engine does not start. Fuel leaks. Idling is not stable. Acceleration is poor. Engine stalls at high speed. Engine lacks power. Engine overheats. Engine misfires. Engine / others are extremely noisy.
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