Singer CLASS 99 User manual

Class 99 & 99K

Sewing Machines

Instruction Manual

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Class 99 & 99K

Table of Contents

Instructions for

Operating the Machine

Electrical Information

Remove and Replace Light Bulb

Operate Electrically

Operate by Hand

Treadle Operation

Protection Against Rust Damage

To Oil the Machine and Stand

Needle Size Chart

To Set the Needle

Upper Threading

To Remove the Bobbin

To Wind the Bobbin

To Replace the Bobbin

To Prepare for Sewing

To Start Sewing

To Turn a Corner

Basting

To Sew Bias Seams

To Remove the Work

To Regulate Length of Stitch

To Reverse the Direction of Feed

To Regulate Pressure on Presser Foot

Thread Tension

To Regulate Needle Thread Tension

To Regulate Bobbin Thread Tension

To Adjust Needle & Bobbin Tensions

To Remove Bobbin Case

To Replace Bobbin Case

To Replace Slide Plate

Sewing Suggestions

The Belt

To Avoid Breaking Needles

Breaking of Needle Thread

Breaking of Bobbin Thread

Skipping of Stitches

Machine Working Heavily

Instructions for

Using the Attachments

The Foot Hemmer

Hemming

Hemmed Seams

Hemming with Lace

The Binder

Inserting the Binding

Adjustment & Operation of the Binder

Binding Curved Edges

The Gathering Foot

Shirring

The Ruffler

To Adjust the Ruffler

To Activate Parts of the Ruffler

Gathering

Forming & Attaching a Ruffle in One

Operation

Pleating

Group Pleating

The Seam Guide

The Zipper Foot

Preparation

Inserting a Skirt Zipper

Sewing Corded Welting

Sewing Corded Seams

Fashion Aids

The Buttonholer

The Blind Stitcher

The Bias Gauge

The Edge-Stitcher

The Quilter

The Adjustable Hemmer

The Tucker

Darning or Embroidering

Singer Needles and Oil

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Class 99 & 99K

ELECTRICAL INFORMATION

The Singer electric motor is located at the back of the machine, and can be

supplied for operation on alternating or direct current. Orders must state the

catalogue number of the motor, or the voltage, and in the case of alternating

current, the number of cycles.

Before inserting electrical plug, be sure that voltage and number of cycles

stamped on motor nameplate are within range marked on electric meter installed

by electric power company.

Electrical Connections for Machine: Push three-pin safety plug into three-pin

terminal block at right of machine and connect plug at other end of cord to

electric supply point.

Speed Controller: The speed of machine is regulated by amount of pressure on

foot or knee controller.

CAUTION! When you have finished your sewing always disconnect the

plug from the electric supply point.

LIGHT

To turn light "on," reach over machine arm and turn switch V, Fig. 1 to right. To

extinguish light, turn switch to left.

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Class 99 & 99K

To Remove Bulb

Grasp light socket so that thumb extends over switch V. Press shade with thumb

at U. to release shade from two catches, and slide it halfway out of shade holder

W. Press bulb into socket and at same time, turn bulb over from machine as far

as it will go to unlock pin X (see Figs. 3 and 4). Withdraw the bulb.

To Insert New Bulb

Press bulb into socket and turn it over toward machine until pin Xenters notch in

socket (see Fig. 3). Return shade to its normal position as shown in Fig. 1.

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Class 99 & 99K

If the Machine is Electrically

Operated

Raise presser foot Qby means of

presser bar lifter Rto prevent injury to

the foot Qand feed T.

Place a piece of material under presser

foot and let the foot down upon it. Turn

on electric current and, if the

combination knee and foot controller is

installed as a knee controller, press

knee lever to the right. If controller is

placed on the floor to be used as a foot

controller, press down on pedal of

controller. The speed of the machine is

controlled entirely by the amount of

presser applied to the controller.

Operate machine in this way, without

being threaded, until you have become

accustomed to guiding the material and

operating the controller.

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Class 99 & 99K

If the Machine is Hand Operated

When the machine is uncovered, the

hand attachment will be found to be out

of working position as shown in Fig. 6.

Pull the small spring stud 2, and turn

the handle back until leer 1, enters the

socket 3. Press back the hinged finger

4, Fig. 7 between the spokes of the

wheel. The machine is now ready for

working as shown in Fig. 7.

NOTE. Before replacing the cover on

the machine in its case, the lever

should be disengaged and the handle

placed in the position shown in Fig. 6.

To Operate the Hand Machine

Place a piece of material under the presser foot Q, Fig. 5, and lower the latter by

means of the lifter R. Now turn the handle over from you to work the machine,

without being threaded, until you are accustomed to guiding the material with the

left hand.

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Class 99 & 99K

If the Machine is Treadle Operated

Loosen the hand wheel by turning motion screw L, Fig. 16, over toward you,

place both feet upon the treadle and turn the hand wheel over toward you, at the

same time allowing the feet to move freely and lightly with the motion of the

treadle. Continue to do this until a regular and easy movement is acquired and

you are able to work the treadle so that you can re-start the machine with the

wheel turning toward you.

When familiar with the working movement, tighten the hand wheel by turning the

stop motions screw over from you, and place a piece of material under the

presser foot Q, Fig. 5. Lower the latter by means of the lifter and again work the

machine without being threaded, until you are accustomed to guiding the

material.

The belt should be only just tight enough not to slip. If too loose shorten and

rejoin. Belt Shifter

This device simplifies throwing off and

replacing the belt. To throw off the belt,

move the belt shifter to the left (see Fig.

8), working the treadle at the same

time. To replace the belt, work the

treadle slowly with the hand wheel

turning toward you, when a revolutions

or tow of the wheel will bring the belt

back into its place.

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Class 99 & 99K

Protection Against Rust Damage

Lint and fluff, if not removed prior to storage will, during humid periods, absorb

and hold moisture, and thus accelerate rust damage to highly polished thread

handling and other exposed parts. The extend of rust damage would depend

upon the length of time the machine remained in idle storage where there is no

ventilation. Sudden drops in temperature till cause moisture to form on parts

which, if not protected by a film of oil, would rust and damage while in storage.

Proper storage care suggests thorough brush-cleaning to remove all traces of lint

and fluff, followed by swabbing of all the exposed parts in Figs. 10 and 11 with a

lint-free brush saturated with SINGER oil. SINGER lint-free brush may be

purchased at your local SINGER dealer.

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Class 99 & 99K

To Oil the Machine and Stand

If the machine is used continuously, it should be oiled daily. If moderately used, an

occasional oiling is sufficient. Apply one drop of oil at teach of the places indicated

by the unlettered arrows in Figs. 9, 10 and 12 and carefully clean the machine to

insure smooth and satisfactory performance. Oil holes are provided in the machine

for bearings which cannot be directly reached.

Remove face plate D, Fig. 9 by taking out screw Cand loosening screw Enear the

top of the place. Slip plate over screw E. Oil the points indicated in Fig 10 and

then replace face plate D.

Draw the slide to the left (as shown in Fig. 9) and, after removing the lint and dust

which may have accumulated (see instructions on page 24), apply a drop of oil at

the place indicated at F, Fig. 11. The slide should then be closed.

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Class 99 & 99K

To oil the parts underneath the bed of the machine, turn the machine back on its

hinges and apply oil to the oil holes and bearings indicated in

Fig. 12.

To oil the stand, apply a drop of oil to the centers upon which the band wheel and

treadle work, and to both ends of the pitman rod connecting the treadle with the

band wheel.

After oiling, run the machine rapidly for a few minutes so that the oil may reach

the bearings. Neglect to oil the machine will shorten its life and cause you

trouble and annoyance.

Always use SINGER oil. Inferior oil clogs the bearings, prevents efficient

working, and causes rapid wear of the mechanism.

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