P
3
/ 1
6
(1) Pull up Wing grip complete. (
Fig. 1B
)
(2) While pushing Wing grip complete against spring tension in Sprocket guard complete, turn Wing grip complete
counterclockwise until Sprocket guard complete is removed. (
Fig. 2B
)
(3) Sprocket guard complete with Toolless chain tension adjustment can be disassembled. (
Fig. 3B)
R
epair
DISASSEMBLING (EA3501S: with Toolless chain tension adjustment)
[2] DISASSEMBLY/ ASSEMBLY
[2]-2. Chain tensioner (cont.)
Fig. 1B
Fig. 2B
Fig. 3B
(1) Remove Sprocket guard, Guide bar and Saw chain from machine.
(2) Insert Small-slotted screwdriver into the gap between Crank shaft and
Retaining ring E type 6, and then twist
Retaining ring E type 6 using the slotted blade. (
Fig. 4
)
(3) Remove Flat washer 8 and Retaining ring E type 6 from Crank shaft.
(4) Release chain brake by turn Hand guard toward Tubular handle to
remove Clutch drum assembly if chain brake works. (
Fig. 5
)
(5) Remove Clutch drum assembly. (
Fig. 6
)
(1) Check that the following portions of Clutch drum assembly do not have damage/ wear. (
Fig. 5
)
• Inside
•
Chain-sprocket portion
• Needle bearing portion
If there is damage/ wear on Clutch dram assembly, replace it to new one.
(2) Apply a little amount of Makita grease N No. 2 to the needle bearing portion of Clutch drum assembly.
(3) Set Clutch drum assembly, Flat washer 8 and Retaining ring E type 6 in place.
Note
: Be sure to use new Retaining ring E type 6.
ASSEMBLING
Small-slotted screwdriver
•
Chain-sprocket portion
•
Needle bearing portion
•
Inside of Clutch
drum assembly
Retaining ring E type 6
Retaining ring E
type 6
Flat washer 8
Flat washer 8
Crank shaft
Fig. 6
Fig. 5
Fig. 4
[2]-2. Clutch drum assembly
Wing grip complete
Wing grip complete
Engine housing complete
Sprocket guard complete
Wing grip complete
Assemble the components by reversing the disassembling procedure.
ASSEMBLING (EA3501S: with Toolless chain tension adjustment)
Hand guard
Tubular handle
