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Repair Manual EA6100P / EA6101P

26

11  CYLINDER / PISTON

Cylinder and piston disassembly  

Remove the muf

 er, see chap. 04. 

Remove the starting system, see chap. 06. 
Remove the carburetor unit, see chapter 08.
Unscrew the cylinder bolts and pull the cylinder up and 
off.
Remove and reinstall the circlip 

5 

with needle-nose 

pliers.

Assembling the cylinder and piston
Carefully remove any gasket residues!
Use a new cylinder base gasket 2!
Before assembly, lightly oil the cylinder race, 
piston and needle bearing 6!

Install the piston with the arrow marking 

4 

on the outlet 

side of the camshaft (piston ring lock on the inlet side).
Move piston to bottom dead centre.
Position the opening on the piston ring towards the 
piston ring lock.
Use the piston ring tensioner 

1

 to press the piston ring 

together.
Push the cylinder onto the piston. Let the piston ring 
tensioner slide down with it.
Remove the piston ring tensioner and press the 
cylinder all the way down on the pins 

3

.

Hand-tighten the screws lightly crosswise, and then 
tighten to the correct torque (12 

+1.0

 Nm), again 

crosswise.

1

3

4

5

6

2

Содержание EA6100P

Страница 1: ...l EA6100P EA6101P Caution Before doing any maintenance or service work the combination switch must be in STOP position ignition current interrupted in order to prevent unintended starting by the easy...

Страница 2: ...ng 14 Spark plug 15 Checking the ignition spark 16 Checking the ignition 16 Replacing the plug connector 16 Removing the ywheel 17 Starting ratchets 17 Removing the ignition armature 18 Installing the...

Страница 3: ...per ISO 7293 kg h 1 5 Speci c consumption at max load per ISO 7293 g kWh 430 Fuel tank capacity l 0 8 Chain oil tank capacity l 0 48 Mixture ratio fuel two stroke oil when using MAKITA oil 50 1 100 1...

Страница 4: ...en ywheel and armature 944 500 891 4 Torque wrench 3 8 Drive socket 944 500 864 Bit 152 mm 944 500 865 Bit 49 mm 944 500 866 Torque wrench 3 8 Drive 950 230 000 5 Piston stop wedge Wedge for blocking...

Страница 5: ...disassembly tasks 944 603 400 10 Over underpressure pump For checking sealing of radial rings carburetor 957 004 001 11 Sealing plate For sealing intake side 944 603 200 12 Sealing plate For sealing...

Страница 6: ...function An angled worm drive converts the turns of the adjustment screw 1 to forward or backward motion of the tensioning pin 2 If necessary turn adjusting screw 1 clockwise until the fastening scre...

Страница 7: ...the chain sprocket A worn chain sprocket will damage a new saw chain and must be replaced Check the clutch drum needle bearing for wear and damage Assembly the bearing with multi purpose high perform...

Страница 8: ...drum see chapter 02 Push the hand guard forward to engage the chain brake This releases the brake band spring Remove the cover plate see chapter 01 Fold the brake band 1 upward and turn it out of the...

Страница 9: ...ssary push it back into position with a screwdriver about 5 mm from the axle support The handguard can only be assembled when the rest piece is in this position Assemble the handguard and disengagemen...

Страница 10: ...on If a catalytic converter is being used the muf er will be very hot after operation Move piston to bottom dead centre visible through the exhaust opening Press the piston stop wedge 3 cap 00 pos 5 i...

Страница 11: ...position of the springs Do not replace springs individually If a spring breaks or is fatigued all three springs must be replaced The springs must not touch the cover The illustration shows the inside...

Страница 12: ...from the oil pump Unsrew screw 4 and remove the oil pump Remove spacer ring 5 from the crankshaft Note Make sure to install in the right position See illustration The suction line 6 remains in the cr...

Страница 13: ...s shown in the schematic Assembly Note If installing a new return spring cassette grease it on the spring side Carefully insert a new return spring cassette 6 and press down until it engages Lightly g...

Страница 14: ...ective air filter check carburetor adjustment Use MAKITA EXTRA two stroke oil Adjust spark gap Wash spark plug in acetone Do not sandblast If necessary replace spark plug Eliminate cause wrong carbure...

Страница 15: ...ves The spark plug NGK BPMR 7A parts no 965 603 021 must be replaced in case of damage to the insulator electrode erosion burn or if the electrodes are very dirty or oily Pull the plug cap 3 off the s...

Страница 16: ...t off For ignition cut offs see IGNITION SYSTEM TROUBLE SHOOTING Replacing the plug connector Hold the plug connector spring using pointed pliers and push the rubber cap backwards over the ignition ca...

Страница 17: ...f the shaft Do not screw the mandrel all the way down Leave about 2 mm between the mandrel and the ywheel Hold the machine in one hand and knock the ywheel loose with a tap on the mandrel CAUTION The...

Страница 18: ...grommet into the carburettor when doing this If the grommet gets pushed out it can be reinserted from the cylinder side Route the high voltage cable as shown engage the cooling air guide tab 5 and sec...

Страница 19: ...ngage the air ap linkage 6 from the carburetor Assembly Place the insert 5 in the intake manifold if necessary Engage the air ap linkage 6 see illustration Note Engage the air ap linkage 6 on the carb...

Страница 20: ...ase Assembly Assemble in reverse order Route the lines as shown Tighten bolts 8 to 5 0 5 Nm Removing the manifold ange Unscrew 4 bolts 13 and remove the manifold ange 1 Pulse line 2 Fuel line red 4 Pr...

Страница 21: ...d it needs to be replaced along with the gasket 19 Check Screen 22 for contamination Pulse hole for contamination Check control parts control lever inlet needle Check the tip of the inlet needle for w...

Страница 22: ...lutch side over damper springs B and C spread the engine unit slightly apart from the tank Unscrew the damper springs Damper spring D Note Damper spring D cannot be removed until damper springs A B an...

Страница 23: ...bricate the Bowden cable The grip shell is attached to the tank with a Torx screw 3 Disengage the throttle lock 1 and spring 2 Check for ease of motion and functioning of the safety throttle lock spri...

Страница 24: ...eck the following Air valve Fuel line Tank cap O ring Check tank for holes Note Detergent can be used to localise leaks Vacuum testing ventilation valve 9 Attach the over underpressure pump as describ...

Страница 25: ...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 c...

Страница 26: ...ly lightly oil the cylinder race piston and needle bearing 6 Install the piston with the arrow marking 4 on the outlet side of the camshaft piston ring lock on the inlet side Move piston to bottom dea...

Страница 27: ...driving the crankshaft into the crankcase MS or CS support the crankshaft side between the webs When installing the second crankcase half the crankshaft webs must be supported against each other NOTE...

Страница 28: ...5 205 Torx 2 5 0 5 ywheel fastening by nut 920 308 024 A F 13 1 28 2 0 starter cpl to crank case 908 005 205 Torx 3 5 0 5 handguard mounting to starter housing 908 005 205 Torx 1 5 0 5 grip half rear...

Страница 29: ...Repair Manual EA6100P EA6101P 29 NOTES...

Страница 30: ...MAKITA Werkzeug GmbH Postfach 70 04 20 D 22004 Hamburg Germany...

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