Rotating Hook Oil Supply Adjustment - Singer 141G Series Instruction Manual And Parts List

3.4
Rotating Hook
Oil Supply
Adjustment
Integrated Energy Saving Direct Drive Motor Lockstitch Sewing Machine
How to check the hook oil supply
Unused machine should run idle
for 3 minutes (Moderate intermit-
tent operation).
The amount of oil confirmation
paper must be inserted in the state
when the machine is running.
The confirming time of the oil
amount is 5 seconds (check the
period of time with a watch).
The amount of oil confirmation paper
Place of oil amount confirming
The amount of oil confirmation paper
Figure 7
Adjusting the amount of oil sup-
plied to the hook
Turning the oil adjusting screw of the
hook shaft bushing on bed toward
'+' in direction 'A', the oil amount
will be increased, and toward '-' in
direction 'B', the oil amount will be
decreased.
After adjustment the machine must
be idling for thirty seconds. It can be
confirmed the state of oil supplied.
Sample showing the appropriate
amount of oil
The amount of oil can be adjusted
according to the different sewing
process but it must be a suitable
amount. Otherwise the hook will
generate heat or the sewing mate-
rial will be contaminated.
Use the amount of oil confirmation
paper for three times to observe
the amount of oil. Adjust the screw
until the mark on the paper
unchanged.
Minimum
Bush
Maximun
Machine bed
|
Instruction Manual and Parts List
Splashing oil from the hook
1mm
Splashing oil from the hook
2mm
Figure 8
Figure 9
8