P 3/ 16
(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)
Repair
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. 6Fig. 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
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