Singer 457u105 User Manual

Operator's Guide
SINGER*
457U105,457U125,457U135,457U140 Machines
LUBRICATION
FOR THE AUTOMATIC LUBRICATION
USE SINGER "TYPE C" OIL ONLY
Check oil flow in window when
machine is running.
Check oil flow to hook by
holding a small piece of paper
under the hook while machine
is running. After 15 seconds,
the paper should show an
oil pattern of approx
1/32 inch (0.8mm).
Less oil
More oil
Fill oil reservoir
to high mark.
Check daily.
©
©
Regulating screw for
hook lubrication
SPEED
The maximum speeds recommended for Machines of Class 457U are 5000 RPM
(4500 RPM for 457U140), however, for the first 150 hours machines should
be run at least 500 RPM below maximum recommended speeds.
From the library of: Superior Sewing Machine & Supply LLC

Singer 457u105 Specifications

General

Brand	Singer
Model	457u105
Category	Sewing Machine
Language	English