WEBSTER CHICAGO 79 - Page 13

BRAKES - WIRE PULL TENSION
USE SMALL POSTAL_ÇAI,LS
-3 .18
'
TO MEASURE PULL RESISTANCE
ON WIRE - SUPPLY SPOOL
PLACE SUPPLY SPOOL ON CHUCK
MAKE LOOP IN ENO OF WIRE
(USING SMALL POSTAL SCALE)
PULL FROM POSITION SHOWN \)s t•
Nth \
REWIND
CHUCK
BRAKE
ASSEMBLY
o
,
1
\ /
RECORDING
HEAD MUST
BE AT TOP
OF TRAVEL
ST.ARTING
CHECK WITH
LIGHT BRAKE ONLY_,
•1'
TO MEASURE PULL RESISTANCE ON WIRE
TAKE-UP DRUM
RUN SEVERAL TURNS WIRE AROUND
TAKE—UP DRUM, CUT WIRE OFF OF SUPPLY
:POOL, MAKE LOOP ON END FROM
TAKE—UP DRUM, USE SCALE
AS SHOWN
04,
Fig. 13- BRAKES - WIRE PULL ADJUSTMENT
r
TAKE-UP DRUM
BRAKE ASSEMBLY
08
13GOW
GNV
61
13GOW
8C0d6Z
NI1311118