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4.7 ROUND ADJUSTMENT HANDLE REPLACEMENT         
 
1)    Using hand to take off the old adjustment pin set (Figure A). 
2)    Replace new adjustment pin and fix it (Figure B). 
 
 
    Figure A                                                                                      Figure B 
 
 
 
4.8 ARM ADJUSTMENT HANDLE REPLACEMENT         
 
 
1) Use a 24MM Open-Ended Wrench to take off the old adjustment pin set (Figure A).   
2) Install a new adjustment pin (Figure B).       
 
 
 
 
 
 
 
    Figure A                                                                                              Figure B