Feed Dog Position - Toyota SD Service Manual

Adjustment of respective parts

8.Feed dog position

Feed dog height
[Diagnosis]
1. Bring up the presser foot and attach the
needle on the needle bar.
(In order to clarify the needle bar position)
2. When the feed dog is brought to the highest
position (= upper dead point of needle bar) by
rotating the handweel, measure the distance
(A) between the surface of needle plate and
the upper limit of feed dog.(Fig. 1)
[Standard]
A = 1.15 ± 0.1 mm (Fig.1)
* Make adjustment if the diagnosis result fails to
meet the standard.
[Adjustment]
1. Remove the external panels and others to
see the adjusting section. (See:page.45)
2. Turn the adjustment screw at the left side of
lower shaft, adjust the feed dog height.(Fig. 2)
Right turn raises the feed dog.
Left turn lowers the feed dog.
* Repeat the adjustment till the standard is met.
Fore and aft position of feed dog
[Condition]
<SD>
Pattern selection dial: "8"
<2D, 3D>
Stitch length dial: "5"
[Diagnosis]
1. Remove the presser foot.
2. When the feed dog is brought to the highest
position (= upper dead point of needle bar) by
rotating the handweel, measure the fore and
aft position (A) of feed dog.(Fig. 3)
[Standard]
A = 1.0 ± 0.5 mm (Fig.3)
* Make adjustment if the diagnosis result fails to
meet the standard.
[Adjustment]
1. Remove the external panels and others to
see the adjusting section. (See:page.45)
2. Loosen the feed rock arm set screw at the
right side of lower shaft, adjust the fore and
aft position of feed dog.(Fig. 4)
* Repeat the adjustment till the standard is met.
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