Caution in disassembling
1. For removing/installing the gear box cover 6, be sure to refer
to the item "4.- (4) Removing/installing the gear box cover"
and carefully perform the work.
™ Hook drive gear (small) is a selective part.
Part No.
Name of part
23538903
Hook drive gear (small) S
23536303
Hook drive gear (small) A
23536402
Hook drive gear (small) B
23536501
Hook drive gear (small) C
23536600
Hook drive gear (small) D
23536709
Hook drive gear (small) E
23536808
Hook drive gear (small) F
Dimention (diameter)
Small
Large
53
−
−
Caution in assembling
™ The horizontal feed cam and
hook driving gear are mounted
in the gear box (large).
In the case where centering and
adjustment of play of the
aforementioned components
are not securely performed
when assembling and adjusting,
seizure due to the torque of the
sewing machine, abnormal
heat, or defective return of the
lever will be caused.
™ Oil used in gear box
Part No. : MDFRX2700C0