Singer 211G 155 - Machine Description and Specifications; 211 G 155 Machine Overview; 211 G 156 Model Differences; Machine Speed and Operation

DESCRIPTION
The 211 G 155 MACHINE is a single needle, lockstitch, high speed sewing machine with
compound feed and alternating presser feet. It Is suitable for automobile
and furniture upholstery, awnings, tarpaulins, leather coots, buffing wheels,
and other difficult work.
The machine has the following specifications:
1. Needle Bar Stroke: l-Vu inches = 33,40 mm
Clearance under Presser Foot: Vz inch = 12,70 mm
Space at Right of Needle lO-Vz inches = 266,70 mm
Maximum Stitch Length: S-Vz stitches/inch = 7,25 mm/Stich
Bed Dimensions: 18-V4 X 7 inches = 476,25 X 177,80 mm
Machine Pulley (Safety Type) for Va inch = 9,50 mm V-Belt
Outside diameter of belt groove 2.9 inches = 73,65 mm
Effective diameter for Vie inch = 7,93 mm round belt is 2-V8 inches =
60,30 mm
Head End Location for Singer Light No. 625024-504
2. Adjustable thread lubrication.
3. Sleeve take-up.
4. Vertical axis hook, with rigid needle guard, makes two (2) revolutions for
each stitch.
5. Safety clutch to prevent any overload or damage of the hook.
6. Needle Feed is adjustable relative to the lower feeding mechanism.
7. Alternating presser feet, adjustable by means of a lifting eccentric.
8. Stitch length indicated on the machine pulley and controlled by means of
on adjustable feed driving eccentric.
9. Arm shaft and bed shaft are supported on the driven side by double-
shielded ball bearings. The needle bar frame rock shaft and the feed
driving rock shaft are equipped with "Super Ollite" bearings. The feed
driving eccentric connection has needle bearings.
The 211 G 156 MACHINE is the same as the 211 G155 machine except that
the
machine is provided with a reverse feed which can be actuated by hand
lever or foot treadle;
the maximum stitch length Is 5 stitches/inch;
the needle feed is set synchronous with the lower feed mechanism;
the arm shaftand the bed shaftare supported on the driven side by double-
shielded ball bearings. The needle bar frame rock shaft, the feed driving rock
shaft, and the feed driving eccentric connection are equipped with "Super
Oilite" bearings.
SPEED
The recommended maximum speed for the 211G155 MACHINE is
3500 RPM and that for the 211 G156 MACHINE is 2900 RPM. The speed
depends on the type of material being sewn and on the method of sewing.
At first the machine should be run below the maximum speed until all the
movable parts and bearings are run in.
CAUTION: The machine pulley must always turn over toward the operator
when the machine is in operation.
From the library of: Superior Sewing Machine & Supply LLC