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R
epair
CAUTION: Repair the machine in accordance with "Instruction manual" or "Safety instructions".
[1] NECESSARY REPAIRING TOOLS
Code No.
Description
1R237
Round bar for arbor 8-100
1R263
Bearing extractor
1R280
Round bar for arbor 6-50
1R034
Bearing setting plate 12.2
[2] LUBRICATION
To protect parts and product from unusual abrasion;
1) apply 7g of Makita grease N No. 2 (Part No. 181573-3: Grease vessel 93g) to Gear room.
Note: Be sure to apply a little amount of the above grease to the inner periphery of Crank.
2) apply a little amount of Lubricant VG100 (Part No. 182229-1: Oil supply 100cc) to O-ring 1.5 and insert the O-ring 1.5
to Oil pump complete.
3) apply sealing lubricant to the both surface of Flat washer 6 under Knob 60.
[3] DISASSEMBLY/ ASSEMBLY
[3]-1. Disassembling/ Assembling Sprocket Cover Section
DISASSEMBLING
1) Remove Sprocket cover section by turning Knob 60 counterclockwise.
2) Put Sprocket cover section on worktable and turn Knob 60 counterclockwise (Fig. 1) while holding Sprocket cover
so that the one of Knob 60's hook can be placed in the depression in Sprocket cover section. (Fig. 2)
Note: The hooked portions are very fragile. Therefore, turn Knob 60 carefully.
3) Remove the hooks of Knob 60 from the groove of Sprocket cover, and Knob 60 can be removed.
ASSEMBLING
1) Apply sealing lubricant to the both side of Flat washer 6. (Fig. 2)
2) Set Knob 60 and Flat washer 6 on Sprocket cover, then fit the hooks of Knob 60 into the groove of Sprocket cover by
turning Knob 60 clockwise carefully.
3) Insert the protrusion of Sprocket cover into Handle R and assemble Sprocket cover section to Handle L by tightening
Knob 60.
Fig. 1
Sprocket
cover
worktable
Installing Push nut
Removing Helical gear 50 with Spindle
Removing Spindle from Helical gear and Ball bearings
Correcting the deformed Push nut
Removing Spindle from Helical gear 50
Fig. 2
Flat washer 6
Knob 60
protrusion of
Sprocket cover
for fitting to Handle R
Use for
hooks of Knob 60
P 2 / 8
depression of
Sprocket cover
groove of
Sprocket cover
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