GAUGE FOR SERVICING
Adjustments can be done effectively and correctly with this gauge. Use needle HA-1 SP, size
11 or 14, when using this gauge.
(A):
for needle bar height
(B): for presser bar height
(C): for feed dog height & position of knives
(D): for upper looper position
(E): for feed timing
Thickness of the gauge (1.7mm): for upper looper position & feed timing
12
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