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4 ASSEMBLY INSTRUCTIONS
NOTE: When reassembling, replace the new waterproof
rubber and O-rings. Make sure whether there is NO foreign
substance sticking around a part covered with water seal.
1. Install the driving head in motor.
NOTE: Make sure of the direction.
2. Insert the rechargeable battery into battery holder and set
on housing A. Insert the motor assembly into housing A.
NOTE: Make sure to attach the battery O-ring and
washer to the battery. And O-rings are set to the
terminal pins.
NOTE: Press the motor assembly and battery assembly
into housing A firmly.
3. Set the housing O-ring.
NOTE: Make sure whether there is NO foreign
substance sticking around the seal.
4. Close the housing A and B.
Make sure not to pinch the lead wires or housing O-
ring.
5
ER220-E2 / ER221-E2
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