AT&T Bell System Plant Series Adjustment Procedure page 3

TRANSPORT
I
ACCESS DOOR--
SUPPLY REEL_-.:..__--4-_
SUPPLY REEL
TACHOMETER---------+-----~~
ISS 1, SECTION 034-368-701
LOAD SWITCH
TAPE TRANSPORT
CHAMBER
OVERLAY PLATE
TAKE-UP REEL
TACHOMETER---------t---+------_1
PHOTOSENSE HEAD
TAPE CLEANER
MAGNETIC HEAD
ASSEMBLY
·a.1'---iii---CAPSTAN
WRITE ENABLE
RING POCKET
CONTROL UNIT
ACCESS DOOR ----
PRINTED CIRCUIT
BOARDS
CAPSTAN
OVERLAY PLATE
• -TAKE-UP REEL
VACUUM CHAMBER
t:k
TRANSISTOR AND DIODE
MOUNTING PANEL
EXCITER
LAMP
(4)
LOOP SENSOR (4)
SWITCH
CONTROL UNIT
Fig. 2-KS-19829 Recorder-Front View with Access Doors Open
2. REQUIREMENTS
2.01
A program of planned preventive maintenance
will help prevent unscheduled downtime.
Refer
to Table A for the
recommended schedule
of preventive maintenance.
2.02 Cleaning
(a)
General Cleaning:
The entire recorder
housing should be given a general cleaning
once weekly. The equipment, front and rear,
shall be free of oil, grease, and dust. Oil or
grease should be removed from painted surfaces
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