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2) Precautions to be taken with respect to the lubricating components
1
Feed bar components
o Be careful of the orientation of the oil shield rubber and the dust-proof rubber .
* Assembling as shown in the illustration
will result in oil leakage. So, be careful.
2
Portion converted to dry-head type
Forced lubrication room
[Wet portion]
3. Upper looper mechanism portion
[Dry portion]
1. Needle bar mechanism portion
[Dry portion]
2. Feed mechanism portion
[Wet portion]
o Assemble the feed bar presser and the dust-
proof rubber case so that their top faces are
flush with the frame plane on which the feed
mechanism cover is installed.
o Do not loosen the screws in feed bar presser
unless it is necessary. The clearance between
the feed bar presser and the feed bar and the
contact with each other are important.
Do not loosen the screws.
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