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2. Installing of Speed change lever
1) Place two Compression spring 4s into Speed change lever.
2) Being careful that Compression spring 4 may not comes out , install Speed
change lever assembly in the projection of change lever as shown in Fig. 4.
Speed change lever
Compression spring 4
Gear assembly
3 Attaching to Housing
1) When attaching a unit of gear assembly and motor, etc. to housing L, place
speed change lever in the position as shown in Fig. 5.
Inside of Housing L
4 Assembling chuck
1) Tighten short cut hex wrench with drill chuck and hold the flat part of spindle
with drill chuck extractor No.1R139 as illustrated in Fig.6.
2) Tighten drill chuck with ratchet head No.1R224 and torque wrench No.1R223 as illustrated in Fig.6.
< Note > The fastening torque of torque wrench No.1R223 has to be adjusted to 50 - 60 Nm in advance.
In case of smaller than 50Nm, drill chuck will fall, damaging flat head screw M6x32.
3) Take off short cut hex wrench by loosening drill chuck. And fasten flat head screw M6x32 anti-clockwise
Flat head
screw M6x32
Socket wrench 12.7
in market
Ratchet head 1R224
Torque wrench No.1R223
to be adjusted to 60Nm
Projection of change lever
on gear assembly
Short cut
40 - 50mm
hex wrench
Speed change
lever assembly
Fig. 4
Put Speed change
lever near to either one side
Fig.5
No.1R139
Drill chuck
extractor.
Vise
Fig. 6
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