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Makita M1901B Repair Manual page 9

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R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -4. Front base, Base (rear side)
ASSEMBLING, ADJUSTMENT
(1) Mount Foot to Base. And assemble the Base to Main frame complete. Refer to Fig. 13.
(2) Mounting Rubber packing and Compression spring 18 to Front base, assemble the Front base
to Main frame complete. Refer to Fig. 12.
(3) Adjust with Knob 44, until "0" on the Scale label correspond to the actual planing depth "0" as shown in Fig. 14.
1. Apply a ruler on the surface of Base
and align Front base level by turning
Knob 44 to the same level of (rear) Base.
Now, the machine has been adjusted
to "Planning depth at 0".
Base (rear side)
2a. If the removed Knob 44 is reused without sticking new Scale label, "0" may deviate from the
Triangle mark by 180 degrees.
Remove knob 44 again in this case, and approach to drive from the point deviating by 180 degrees
from the old approaching point. So, "0" can exactly align to the Triangle mark.
[3] -5. Foot
DISASSEMBLING
Disassemble Base (rear side). So, Foot is removed together with Base as shown in Fig. 13.
ASSEMBLING
Assemble Foot to Base as shown in Fig. 15.
1. Set Torsion spring 7 to long axis of Foot.
short axis
Ruler
Knob 44
Torsion spring 7
long axis
Torsion spring 7
Fig. 14
2. Stick Scale label on the Knob 44,
while aligning "0" to the Triangle
mark on the main fame.
fresh Scale label
Front base
Fig. 15
Tail of Torsion
spring 7
Foot
Triangle mark
2. Put one of tail of Torsion spring 7
to Base as shown in the photograph
below.
P 9 / 11

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