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R
epair
[3] DISASSEMBLY/ ASSEMBLY (cont.)
[3]-3. Disassembling/ Assembling Gear Section
ASSEMBLING
1) As illustrated in Fig. 8, press-fit the components of Gear section.
Note: * Helical gear 50 is directional. Therefore, press-fit Helical gear 50 so that its stepped portion can face the
direction of Ball bearing 609LLB. (Fig. 8)
* Cam is not directional. Press-fit Cam to the position that is in contact with Helical gear 50.
2) Insert Gear section straight into Handle R, and then fix Bearing housing to Handle R by tightening 4x18 Tapping
screws (4 pcs. ...Refer to Fig. 3)
3) Mount Lock washer 12 and Sprocket 9 to Spindle, and secure them by pinching Stop ring E-8 completely to the groove
of Spindle. (Fig. 9)
Fig. 8
Ball bearing 609LLB
Stepped portion of Helical gear 50
Spindle
[3]-4. Disassembling/ Assembling Oil Pump Section
When Chain oil is not delivered, check the cause in accordance with the following flowchart and repair the machine.
DISASSEMBLING
1) Remove Gear section. (Refer to [3]-3.)
2) Pull off Crank and check if O ring 1.5 on its end of pin portion has damaged or not.
3) Pour approx. 30cc of Makita genuine chain oil (Refer to LUBRICANT) or
commercial oil VG32-100 to Oil tank. Rise and fall Crank by hand while checking
if Chain oil is delivered from chain oil exit designated by arrow in Fig. 10.
Note: Filter in Oil tank has to be dipped into chain oil during checking.
Not delivered
After removing one end of Connector from
the chain oil exit on Handle R, check if
the oil can be delivered to the end.
Not delivered
After removing the other end of Connector from
Oil pump, insert the pin portion of Crank into
the bottom of Oil pump several time and check if
the oil can be delivered to the open end of Oil pump.
Not delivered
Remove the rubber tube end to Oil tank from
Oil pump end under the condition that the oil
occupies a half in Oil tank.
Not delivered
Filter in Oil tank is clogged.
After removing Handle L, pick the filter out of
Tank. And Clean Filter with kerosene.
Then check the delivery of oil again.
ASSEMBLING
Take the reverse step of disassembling.
Note: Do not damage Connector and rubber tube to Oil tank when connecting them with Oil tank/ Handle R/ Oil pump.
Connect the above parts securely to prevent the oil leaking.
Cam
Ball bearing 696ZZ
Chain oil
Fig. 9
Stop ring E-8Sprocket 9Lock washer 12
Delivered
Delivered
Normal condition
(If Chain oil is not delivered from the exit
after completing repairing, there is the possibility
that Filter in chain oil exit is clogged. Therefore,
clean Filter with kerosene.
Delivered
Oil pump is out of order.
Replace Oil pump by the new, then check
the delivery of oil again.
P 4 / 8
groove of Spindle
Fig. 10
chain oil exit
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