Shelfmark

Hil.534

Maker

General Electric Co. Ltd. of England

Subjects

Switches -- Handbooks; manuals; etc.

Title

Adjustment and maintanance of uniselectors catalogue numbers Un,1100-1200, Un.1300-1400 series, and U series

Description

Information is given under these headings:
(A) Identification
(B) General
(C) Routine Maintenance: (a) Freedom from dust; (b) Lubrication; (c) Lubricants
(D) Adjustments: (i) Armature; (ii) Pawl; (iii) Ratchet wheel; (iv) Wiper assembly; (v) Wiper collector rings; (vi) Interrupter springs
Detailed Check: 1. Withdrawal of mechanism; 2. Replacement of mechanism
Quick Check [instructions given in paragraphs numbered (i) - (iii)
Detailed Check: Withdrawal of mechanism; Replacement of mechanism. [under following numbered headings instructions are given in titled and lettered paragraphs]
1. Armature: check (a) - (b); action (c).
2. Ratchet restraining spring: check (a) - (c); action (d), (i)-(ii),
3. Armature Backstop: check (a); action (b).
4. Pawl Backstop: check (a) - (b); action (c).
5. Wiper Adjustment: check (a) - (b); action (c); check (d) - (e); action (f); check (g) - (h); action (i); check (j); action (k).
6. Brushes: check (a); check (b); action (c), (i)-(ii).
7. Pawl Spring: check (a); action (b).
8. Interrupter Spring: check (a) - (c); action (d); check (e); action (f); check (g); action (h)
9. Armature Restoring Springs: check (a); action (b)
10. Position of Pointer
(E) Electrical Tests UN1100-1200 series; check (a) - (b); action (c); UN.1300-1400 series: check (a) - (b); action (c); UN.1100-1200 series and UN.1300-1400 series: check (a);
[ends here]

Earliest Date

Latest Date

Pages

15

Address

n.a.

Other Makers

Cat no

I.A.109

Contents List

Hardback

Prices

Index

Illustrations

Yes

General Ref