Motor Replacement Procedure for Scanner Unit NKE-2103 (JMA-5312-6/6HS) 
 
 
(1)  Before beginning work, turn off the safety 
switch on the bottom of the scanner unit. 
Bow direction 
Turn off the 
safet
 switch. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(2)  Loosen the hexagonal bolts (four bolts) and open the upper 
cover until the stopper of the stay operates. 
Stay
Loosen the four 
hexa
onal bolts.
 
When closing the upper cover, release the stay stopper and 
then tighten the cover. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(3)  Loosen the screws (four M4 screws), remove the 
transmitter-receiver unit cover, and remove the cables connected to 
the transmitter-receiver unit (ten cables).    Slide the cover of the 
transmitter-receiver unit to remove it. 
Slide the cover.
Loosen the four 
screws. 
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