ADJUSTER, SPRING


No. 1

5.25" long, 1/4" wide, stainless-steel strip with two prongs fitted at each end. Used for tensioning the springs of P.O. 3000-type relays.

Ericsson Telephone Part No. N8236

No. 2

4" long, made of 1/4" wide stainless-steel strip, double-ended, each end slightly offset and slotted.  Used for double aligning the twin contacts of relay springs, also uniselectors P.O. type and Siemens' No.50; two-motion selectors; A.T. & E. Co., S.T. & C., Ericssons’, G.E.C. and Siemens’ No. 50.

Ericsson Telephone Part No. N8237

No. 3

Adjuster, Spring, No. 3 is 5.5" long, made from 3/16" round-section steel, double-ended, each end offset and slotted. Width of slots 21 mils. Used for applying tension to thin springs of A.T. & E Co., S.T. & C. and Ericssons’ horizontal-type relays, A.T. & E. Co. line and cut-off relays, P.O. thermostat relays and RAT. Co.’s relays; also used on thin mechanically-operated springs of G.E.C., A.T. & E. Co., S.T. & C. and Ericssons’ 2-motion selectors.

Ericsson Telephone Part No. N8298

No. 4

Adjuster, Spring, No. 4 is similar to Adjuster, Spring, No. 3, but slots 36 mils. wide. Used for tensioning thick springs of A.T. & E. Co., S.T. & C. and Ericssons’ horizontal type relays and the mechanically-operated springs of A.T. & E. Co., S.T. & C., G.E.C. and Ericssons’ 2-motion selectors.

Ericsson Telephone Part No. N8314

No. 5

5.5" long, double-ended, each end offset and slotted. Made from 3/16" x 1/8" steel, centre of tool sheathed with insulating material.  Used on Keith line-switches, also for adjusting the cam-spring assembly of A.T. & E. Co., S.T. & C., G.E.C. and Ericssons’ 2-motion selectors.

Ericsson Telephone Part No. N8315

No. 6

7.3" long, made from 1/2" x 1/8" steel, double. ended, each end offset and slotted. Used for adjusting buffer springs of Machines, Impulsing, No. 1.

Ericsson Telephone Part No. N8378

No. 7
No. 8

8.5" long, with wood handle; end slotted. Used for adjusting remote springs of A.T. & E. Co., G.E.C., Siemens’, S.T. & C, and Ericssons’ 2-motion selectors (pre 2000 selectors) also Keith line-switches .

Ericsson Telephone Part No. N8316

No. 9 & 9A

3.5" long, with knurled handle, end slotted, Used for adjusting wiper tips of uniselectors.  No. 9A has a PVC coated handle.

Ericsson Telephone Part No. N8239

No. 10

2.6" long T-shaped tool, with slotted end. For adjusting wiper brushes of Siemens’ No. 50 uniselectors.


No. 11
No. 12

4.75" long, 1/4" wide, stainless-steel strip, with springs fitted at each end. The centre portion of the tool raised slightly, to clear the relay yoke and armature when adjustments are made on the springs of 600-type and 500-type relays.

Ericsson Telephone Part No. N8241

No. 13

3.25" long, single ended, with rectangular hole at one end. Used for tensioning the springs of Protectors H.C. & F.

Ericsson Telephone Part No. N8328

No. 14

Made from 1/4" x 1/8" steel bent at an angle of 105 degrees.  Length of each arm 3.5".  One mid offset and each end slotted. Used for adjusting the springs of lever keys.

Ericsson Telephone Part No. N8341

No. 15

Adjuster, Spring, No. 15 is 4" long, U-shaped cross section, double-ended, with four long claws at each end, Used for adjusting the inner contact springs on G.E.C and Siemens’ pendant-armature type relays.

Ericsson Telephone Part No. N8389

No. 16

Adjuster, Spring, No. 16 is similar to No. 15, but with short claws. Used for adjusting outer springs.

No. 17

Adjuster, Spring, No. 17 is similar in shape to No, 15, but with thicker claws. Used for adjusting the inner buffers of spring-sets of G.E.C. and Siemens’ pendant armature type relays.

Ericsson Telephone Part No. N8390

No. 18

Adjuster, Spring, No, 18 is similar to No, 17, but with shorter claws.  Used for adjusting the outer buffers.

No. 19

4.6" long, made from 5/32" steel strip, end offset and slotted.  Used for adjusting the pawl forward-stop of Clock No. 44.

Ericsson Telephone Part No. N8267

No. 20

3.9" long, made of 1/8" square-section steel, both ends slotted, and bent at right-angles. Used for adjusting the armature-restoring spring of 100-type meters.

Ericsson Telephone Part No. N8242

No. 21

6" long, double-ended, each end offset and slotted. Used for applying tension to, and aligning, twin contacts of springs of 2000-type selector mechanism.

Ericsson Telephone Part No. N8202

No. 22

8" long, with wood handle, end offset and slotted. Used for adjusting the brushes and sequence switches fitted on Units, Auto., No. 4.

No. 29

 

No. 30

 

No. 31

 

No. 32

 

No. 33

 

No. 34

 

No. 35

 


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Last revised December 28, 2007

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