INSTRUCTION BOOKLET

FOR

TIGER
NON-EXTENSIBLE
RING MAIN UNIT

FIG. I—View of unit.

The equipment described in the Publication is designed and testea with care,
and will give satisfactory service if it is installed, operated and maintained in accordance
with these instructions, by fully Skilled personnel duly authorised to carry out this work.
Efforts are constantly being made to improve design and manufacture and the equipment
supplied may differ in minor details from the data given in this publication.

HAWKERSIDDELEY
SOUTH WALES SWITCHGEAR LTD
UNITED
BLACKWOOD, GWENT. NP2 KINGDOM
PUBLICATION 1001/80/4
 MER OFF
FUSE/EÅRTH AND
c RESET
ltuCATOR
S TCH
EARTH
ON

MOVE
BEFORE
EARTH EARTI-NG

FUSE ACCESS
ll. *rra-l TO æ IN RESET F•TIQN.
2. OO,/ERINTERLOCK LEVER cnq NOWBE b&vEDTO FREE
AND SECURING SCREWS UNDONE.
g. "Hil-ST con IS swiTa-lCANNOTBE OÆRATEDTO THE
ON POSITION.

EARTH TRANSFORMER
swrrcs FREE INTERLOCK SWITCHFREE

PRESS PRESS
FREE TO MOVE
G FEEDER BEFORE
SWITCH EARTHING

FEEDER EARTH
SWITCH SWITCH
EARTH
1
OFF EARTHGF

FIG. 13. KEY TO LABELS ON FIG. 12.

C South Wales Switchgear Ltd. 1979

 674

RÆINGPLÆ IN uN

825

* BLAt•QK

OIL I-EVE

I EARTH

D—aÖ
EARTH

181 PLAN VEW

319

175 175
19
FOUeæTlON CENT&.$

FIG.'12 GENERAL ARRANGEMENT OF TIGER MAN

(SEE FIG 13FOR KEY TO LABELS LETTERED A TO K)

19
 SELF LOCKING NUT. BOLT..

PACKER.
COLLAR

•Abe

GAUZ BAR

FIG.I l. SETTINGS FOR OIL SWITCH CONTACTS

18
 13. RELEVANTSPECIFICATIONS
B.S. 148 Insulating Oil (Low Viscosity Type) for Transformer and Switchgear.
B.S. 5405-1976. Maintenance of Electrical Switchgear.
CP1009 Maintenance of Insulating Oil.
E.S.I. 41 — 12 Non-Extensible Ring Main Equipment.
B.S. 2631 Oil Switches for Alternating Current Systems.

14. LISTOFILLUSTRATIONS
Fig. 1 General View of Unit
Fig. 2 Rear View of Unit
Fig. 3 View with Top Cover Removed
Fig. 4 View with Fuse Carrier Isolated
Fig. 5 View with Fuse Carrier Removed
Fig. 6 Ring Switch Operation
Fig. 7(a) Operation of Transformer Switch (Tee-Off circuit)
Fig. 7(b) Operation of Transformer Earth Switch (Tee-off circuit)
Fig. 8 Inserting Testing Device
Fig. 9 Method of Cable Box Cover Sealing
Fig. 10 Section through Fuse Carrier showing Fuse Link Accommodation
Fig. 11 Setting of Oil Switch Contacts
Fig. 12 General Arrangement of Unit
Fig. 13 Key to Labels on Fig. 12

< Fig. 2 Rear view of Unit

Fig. 3 View with Top Cover Removed

12
 < Fig. 4 View with Fuse Carrier Isolated

v Fig. 5 View with Fuse Carrier Removed

13