Bell System Practices 1A1 Maintenance

BELL SYSTEM PRACTICES
Station Operations Manual
Coin Stations
1.00 GENERAL
COIN TELEPHONE SETS - SINGLE-SLOT
MAINTENANCE
2.00 TOOLS REQUIRED
SECTION C39.020.03
Issue 1, November, 1962
AT&TCo Standard
1.01
The lAl coin telephone set is designed for
limited field maintenance work. All com-
ponent parts are plug-in units which can be quick-
ly and easily replaced. (See Fig.
1.)
1.02
Do not attempt maintenance on the totali-
zer. If trouble is encountered in this unit,
the entire coin chute and totalizer assembly should
be replaced.
1.03
Photographs in this section are of a shop
model. Production models may vary slightly.
2.01
A 719A tool is required to release the lock-
ing mechanism of the set.
2.02
While testing, a test cord, Pl1C, is required
to connect cover to chassis assembly.
3.00 LUBRICATION
3.01
The coin chute and locking mechanism do
not require cleaning or lubrication. Adjust-
ments should not be attempted on the coin chute.
Fig. 1 - Component Parts,
1A 1 Coin Telephone Set
©
American Telephone and Telegraph Company, 1962
Printed in U. S. A.
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