Instruction manual

1) Clutch can be easily removed using Impact driver without locking Spindle.

2) Do not remove Spark plug because Clutch is removed using compression resistance.

CAUTION: Be sure to turn off Engine stop switch to avoid injury from accidental engine startup.

3) Attach 13mm hex socket bit to Impact driver. Clutch is left-handed. Therefore, remove Clutch by turning the hexagonal

portion in the center of Clutch clockwise with the Impact driver. (Fig. 1)

3-1. Clutch Section

3-2. Inspection of Clutch Drum

Fig. 1 Fig. 2

Fig. 3 Fig. 4

Fig. 6

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1) Apply Makita grease N No. 2 to the Needle bearing on

Clutch drum, and insert Clutch drum in Crankshaft.

2) Set Flat washer 8 in place so that the chamfered side of

the washer faces the engine side. (Fig. 2)

3) Assemble Clutch to Crankshaft first by turning it

counterclockwise by hand, then turning counterclockwise

for one second with Impact driver. (Fig. 1)

1) If the sprockets are dirty or worn down, clean them or

replace Clutch drum by new one. (Fig. 3)

2) At the same time, check the drive links of saw chain

for damage or wear. And if necessary, replace them

by new ones. (Fig. 4)

3-3. Oil Pump Section

DISASSEMBLY

ASSEMBLY

1) Remove Worm gear by turning counterclockwise with thin screwdriver. (Fig. 5)

2) Unscrew 4x18 Tapping screw, and remove Oil pump cover and Chain slider (L).

3) Remove two M4x12 Pan head screws. While levering up Connector a little bit,

pull off Connector and Oil tube from Oil pump. Now Oil pump can removed. (Fig. 6)

Note: Be sure to replace Oil pump entirely by new one.

4) Check if Connector and Oil tube is cracked or clogged and if Spring (oil filter) is clogged. (Fig. 6)

loosen

tighten

Flat washer 8

Fig. 5

Worm gear

Connector

Oil pump

Oil tube Spring

3. Disassembly/Assembly

CAUTION: Be sure to remove gasoline and saw chain from the machine for safety before repair/ maintenance!

Refer to the instruction manual for detailed information on how to remove or adjust saw chain.

IMPORTANT: When replacing Oil pump, also replace chain oil by fresh one.