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(6) Hook shaft gear
1. Exclusive grease is filled in the bevel gear section. However, when filling grease in case of maintenance
or the like, remove the filled grease once and fill grease (EXSON MOBIL LISTAN 2) of 15 cc.
(Caution) 1. Heating, noise or seizure will be caused depending on the amount of grease. Keep
filling of 15 cc (approximately 13.8 g).
2. Do not use the packing which has been removed once and replace it with a new one.
Packing Part No. : 23526809
2. In case of removing the play at hook shaft due to the play at bevel gear
When backlash of the hook shaft is large while fixing the hook driving shaft, it is considered that backlash
of the bevel gear is increased. When closing backlash, loosen the screws in the order of screw No. 2 2
in the bevel gear (large), screw No. 1 1 in the bevel gear (large) and move the gear to the right or left
to close the play. When tightening them, tighten in the order of screw No. 1 1 in the bevel gear (large)
and screw No. 2 2 in the bevel gear (large).
(Caution) When the backlash is excessively closed, heating or noise will be caused. When the
backlash is excessively large, sewing trouble will be caused. Tighten screws at the
backlash of approximately 0.1 mm.
Screw No. 1
Bevel gear (large)
Bevel gear (small)
Screw No. 2
1
2
Direction of rotation of
hook shaft
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