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Related Manuals for Makita DOLMAR EA4300F40B
Summary of Contents for Makita DOLMAR EA4300F40B
- Page 1 REPAIR MANUAL EA4300F40B PS-351 PS-421...
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Page 2: Table Of Contents
CONTENTS Page Technical data ................................... 3 Troubleshooting ..................................4 Special tools..................................5 - 7 Sprocket guard / Chain tensioning system ..........................8 Clutch drum with chain sprocket ............................... 9 Chain brake / Guide bar bolt ............................10 - 11 Clutch ....................................12 - 13 Oil pump.................................... -
Page 3: Technical Data
TECHNICAL DATA EA3500F / EA3501F EA4300F / EA4301F DCS3500 / DCS3501 DCS4300 / DCS4301 MEA3500M / MEA 3500L MEA4300G / MEA4300L Stroke volume 34.7 42.4 Bore Stroke 30.6 30.6 Max. power at speed kW / 1/min 1.5 / 9,500 1.7 / 9,500 2.0 / 9,500 2.2 / 9,500 Max. -
Page 4: Troubleshooting
TROUBLESHOOTING Malfunction System Observation Cause Chain does not run Chain brake Engine runs Chain brake actuated, Chain too tight Engine does not start Ignition system Ignition spark Malfunction in fuel supply system, pressure system, mechanical malfunction. only with difficulty No ignition spark STOP switch stuck in service position, fault or short- circuit in the wiring, plug cap or spark plug defective,... -
Page 5: Special Tools
00 SPECIAL TOOLS Torx screwdriver Grip (944.500.860) T-grip 200 mm (944.500.862) T-grip 100 mm (944.500.861) Mandrel Disassembly mandrel for tapping out the flywheel without damage to the crankshaft thread (944.500.880) Setting gauge Gauge for measuring the gap between flywheel and armature (944.500.891) Torque wrench... - Page 6 00 SPECIAL TOOLS Piston ring tensioner Piston ring band and assembly tool for cylinders (944.600.001) Assembly and disassembly wrench Wrench for disassembling and assembling the centrifugal clutch (944.500.590) Pressure gauge Pressure guage for checking the carburetor fuel valve (956.004.000) Tachometer Electronic tachometer for measuring the engine speed of 2- and 4-stroke engines...
- Page 7 00 SPECIAL TOOLS 14 Sealing plate For sealing intake side (944.603.020) 15 Sealing plate For sealing exhaust side (944.603.170) Reparaturanleitung PS-4600 / PS-5000 Repair manual DCS3500 / DCS3501 / DCS4300 / DCS4301 / EA3500F / EA3501F / EA4300F / EA4301F / MEA3500L / MEA3500M / MEA4300G / MEA4300L...
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Page 8: Sprocket Guard / Chain Tensioning System
01 SPROCKET GUARD / CHAIN TENSIONING SYSTEM Remove the sprocket guard, bar, and chain. If necessary, turn adjusting screw 1 clockwise, Assembly until the fastening screw is accessible. CAUTION: Do not work on the chain brake Grease spindle and worm gear with multi- Unscrew the fastening screw and pull the unless the spring is detensioned! purpose grease (944.360.000). -
Page 9: Clutch Drum With Chain Sprocket
02 CLUTCH DRUM AND CHAIN SPROCKET Clutch drum with sprocket and needle bearing Check the chain sprocket 2 for damage and wear. Important customer information: Before installing a new saw chain, always check the condition of the chain sprocket. A worn chain sprocket will damage a new saw chain, and must be replaced. -
Page 10: Chain Brake / Guide Bar Bolt
03 CHAIN BRAKE / GUIDE BAR BOLT Removing the brake band Secure the chain saw from slipping (vise). CAUTION: Wear protective gloves to Using the disassembly hook (Chap. 00, Pos. prevent cuts! 12), disengage the brake band spring 3. Remove the sprocket guard, bar, and chain. Remove the clutch drum, see Chapter 02. - Page 11 03 CHAIN BRAKE / GUIDE BAR BOLT Remove the circlip 7. Remove the handguard and Replacing the guide bar bolt disengagement mechanism Pull the disengagement mechanism up in Screw two nuts onto the bar bolt and parallel with the axes. Unscrew bolt 4 and pull out the sleeve 5.
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Page 12: Clutch
04 CLUTCH Insert wrench 4 (Chap. 00, Pos. 7) into the Disassembly Move piston to bottom dead centre (visible clutch and use a socket wrench 5 to turn in through the exhaust opening). CAUTION: To prevent cuts, wear protective the direction of the arrow (left-hand thread) to gloves! Press the piston stop wedge 3 (cap. - Page 13 04 CLUTCH Inserting the flyweights Installing the clutch Hook the springs as shown in the illustration. Press the disc onto the clutch. It must be flat and be engaged. Then press the flyweights onto the guide. To Installing the clutch do this, first push on two flyweights half-way, then put on the third flyweight by setting it on Install the clutch with the arrow marking point...
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Page 14: Oil Pump
05 OIL PUMP The suction line 4 remains in the crankcase. It General extends into the oil tank. To remove it, carefully The oil pump is driven by the clutch drum. Lugs pull on the connection to the oil pump. on the clutch drum transfer the power to the drive arms of the oil pump drive 1. -
Page 15: Starter
06 STARTER If the spring pops out, put it back into the plastic housing as shown in the schematic. Assembly Note: If installing a new return spring cassette, grease it on the spring side. Carefully insert new return spring cassette 9 and push it in. -
Page 16: Ignition System (Trouble-Shooting)
07 IGNITION SYSTEM (TROUBLE-SHOOTING) Is the spark plug dry and properly installed? Dry spark plug cap and fasten firmly to spark plug. If needed, replace the cap or cap spring. Remove spark plug. Is the spark plug damaged? Is it the wrong kind of spark plug? Replace spark plug. -
Page 17: Ignition System
07 IGNITION SYSTEM Removing the flywheel Screw the disassembly mandrel (chapter 00 pos. 2) onto the threaded end of the shaft. Remove starter see chap. 06. Do not screw the mandrel all the way down. Block the piston, see chap. 04. Leave about 2 mm between the mandrel and Loosen the nut in the direction of the arrow the flywheel. - Page 18 07 IGNITION SYSTEM Removing the ignition armature Installing the ignition armature Pull short-circuit wire 15. Remove cover and air filter. Note: The high-voltage cable is moulded onto Unscrew 2 screws on ignition armature 14. Unsrew screws 2 and 12. the ignition system and cannot be replaced Remove ignition armature and wire.
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Page 19: Carburetor
08 CARBURETOR Note: If replacing the foam 10 in the carburetor base, make sure the position is correct. The opening should be towards the suction channel, as shown in the illustration. Removing the intake manifold and Removing the carburetor bottom carburetor Remove throttle linkage 4. - Page 20 08 CARBURETOR General check Basic Setting (without Limiter Caps) • Screen 7 for contamination L= 1 1/2 • Pulse hole for contamination H= 3 Check control parts NOTE: Adjust the carburetor only using a tachometer. (control lever/inlet needle): Check the tip of the inlet needle for wear. Check control lever for correct installation, see Pressure test illustration to the left.
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Page 21: Vibration Damper
09 VIBRATION DAMPER Disassembly Springs 1 and 2 Remove the sprocket guard and chain brake cover, see chap. 01. Loosen screws with Torx screwdriver (chap. 00 pos. 1) and remove.cushion spring. Spring 3 Remove starter housing (see chap. 06) and hood (see chap. -
Page 22: Tank
10 TANK The throttle lever has a slot 2 at the hinge. In assembly, first place the throttle lever spring 3 on the throttle lever, then push the lever onto the hinge iwth the slot. The throttle lever must be turned by 180° to do this. The throttle lever block 4 can easily be pushed through the diagonals on the seat. - Page 23 10 TANK Removal Pressure test Vacuum testing ventilation valve 6 To remove the tank, first remove the hood (see Attach the over/underpressure pump (chap. 00 Attach the over/underpressure pump as chap. 07), the starter housing (see chap. 06) pos. 13) to one of the two fuel lines 5 . Seal off described.
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Page 24: Cylinder / Piston
11 CYLINDER / PISTON Vacuum testing If correct carburetor setting is not possible, it will be necessary to test the sealing of the engine. Remove hood (see chap. 07). Remove carburetor (see chap. 08). To seal off the exhaust side, insert the sealing lip 1 (chap. - Page 25 11 CYLINDER / PISTON Note: If there is a leak into the oil tank, it will not be possible to fully identify the leak. If pressure remains steady in the crankcase after shutting off the oil line hole, for example with a rubber stopper ( see chap .
- Page 26 11 CYLINDER / PISTON Removing the cylinder and piston Remove spring ring 5 with needle-nose pliers. Assembling the cylinder and piston Use a new gasket! Disconnect the intake and exhaust sides. Note: The protuberance on the gasket must Unscrew the spark plug. point towards the induction side.
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Page 27: Crankcase / Crankshaft
12 CRANKCASE / CRANKSHAFT Crankcase sides MS and CS are attached with six screws 1. Two pins 2 ensure proper fitting. When assembling the ball bearings, note the following: • Press one ball bearing onto the clutch side of the crankshaft. Press the bearing onto the shaft using an assembly sleeve, pressing only on the inner bearing ring. -
Page 28: Torques
13 TORQUES Fastener Part No. Size Qty. Torque Crankcase sides 908.405.205 M 5 x 20 Torx 10 +/-1 Cylinder on crankcase 908.405.205 M 5 x 20 Torx with lock teeth 12 +/-1 Carburetor bottom on crankcase 908.005.165 M 5 x 16 Torx 5 +/-0,5 Muffler on cylinder 908.005.165... - Page 29 NOTES Reparaturanleitung PS-4600 / PS-5000 Repair manual DCS3500 / DCS3501 / DCS4300 / DCS4301 / EA3500F / EA3501F / EA4300F / EA4301F / MEA3500L / MEA3500M / MEA4300G / MEA4300L...
- Page 30 NOTES Reparaturanleitung PS-4600 / PS-5000 Repair manual DCS3500 / DCS3501 / DCS4300 / DCS4301 / EA3500F / EA3501F / EA4300F / EA4301F / MEA3500L / MEA3500M / MEA4300G / MEA4300L...
- Page 31 NOTES Reparaturanleitung PS-4600 / PS-5000 Repair manual DCS3500 / DCS3501 / DCS4300 / DCS4301 / EA3500F / EA3501F / EA4300F / EA4301F / MEA3500L / MEA3500M / MEA4300G / MEA4300L...
- Page 32 Repair manual DCS3500 / DCS3501 / DCS4300 / DCS4301 / EA3500F / EA3501F / EA4300F / EA4301F / MEA3500L / MEA3500M / MEA4300G / MEA4300L Makita Werkzeug GmbH • Postfach 70 04 20 • D-22004 Hamburg • Germany Form: 995 728 620...