OPERATING INSTRUCTIONS FOR THE ROLLER TRANSPORT REVERSAL PROCESSOR, 12 INCH (NO. 1-120-E-001)

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B04770A002400050037-2
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 41
• Document Creation Date: December 28, 2016
• Document Release Date: May 9, 2005
• Sequence Number: 37
• Publication Date: October 1, 1965
• Content Type: REGULATION

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This document AL-45-700085-,P,
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pages. RT-12R
OPERATING INSTRUCTIONS
FOR THE
ROLLER TRANSPORT
REVERSAL PROCESSOR, 12-INCH
(No. 1-120-E-001)
Declass Review by NGA.
October 1965
STAT
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DATA SHEET
Capabilities Product Type: Certain black-and-white
aerial and commercial
films both cut sheet
and continuous strip.
Sizes: a, Cut Sheet
4 x 5 inches through
11 x 14 inches
b. Continuous Strip
Standard widths from 70mm through
9.5 inches and in lengths up to
1000 feet maximum
Weight
Power Requirements
Water Requirements
Lengths 15 feet 9 inches
Width: 5 feet
Height: 5 feet 6 inches
7000 pounds installed, empty
220/208 volts, 50 amperes, 60 cycles, AC,
3-phase, 4 wire
Hot: 130F ? lOF
Chilled: 50F ? 5F
Pressure: 30 psig minimum
Air 25 psig instrument air, 5 CFM
Drain Requirements Approximately 30 GPM maximum
Air Exhaust Requirements Approximately 100 CFM maximum
-i-
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TABLE OF CONTENTS
Data Sheet
Table of Contents
List of Illustrations
Section 1 Introduction and Description
1.1 Purpose
1.2 Machine Description
1.2.1 Frame and Panel Construction
1.2.2 Feed Stand
1.2.3 Electrical Control Panel
1.2.4 Main Drive System
1.2.5 Processing Tank Section
1.2.6 Roller Transport System
1.2.7 Solution Control Panel
1.2.8 Replenishment Systems
1.2.9 Recirculation Systems
1.2.10 Water Circulation System
1.2.11 Air Dryer
1.2.12 Flasher Assembly
1.3 Portable Take-Up
Section 2 Operation
2.1 Preparation for Operation
2.1.1 Initial Checks
2.1.2 Installing Racks and Crossovers
2.1.3 Process Changeover
2.1.4 Preparing for Negative Process
2.1.5 Preparing for Reversal Process
2.1.6 Initiating Dryer Operation
2.1.7 Preparing for Roll Film Process
2.2 Processor Operation
2.2.1 Processing for Standard Negative Image
2.2.2 Processing for Reversal Image
2.2.3 Processing Sheet Film
2.2.4 Processing Roll Film
Section 3 Trouble Shooting
3.1 General Service Notes
3.2 Processor Trouble Chart
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TABLE OF CONTENST (Cont'd.)
Section 4 Maintenance
4.1 General
4.2 Daily Check
4.2.1 Start-Up
4.2.2 Shut-Down
4.3 Cut Sheet Film Salvage
4.4 Weekly Procedure
4.5 Frequency of Solution Change
4.6 How to Use Developer System Cleaner
4.7 Changing Fi er cartridges
4.8 Lubrication
Appendix A Spare Parts List
Appendix B Electrical Drawings
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A-1
B-1
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LIST OF ILLUSTRATIONS
Figure
Title Page
1 Over-All View of Roller Transport Reversal Processor,
12-Inch
2 Schematic of RT-12R Processor 3
3 Film Cassette and Feed Tunnel Mounted on Feed Stand 5
4 Electrical Control Panel 7
5 Main Drive Motor and Chain 11
6 Bypass Valve Between Tanks 7 and 8 12
7 Processing Tank Section 14
8 Rack Assembly 16
9 Crossover Assembly 17
10 Solution Control Panel 18
11 Solution Recirculation Schematic 25
12 Take-Off End of Processor 27
13 Dryer Controls Inside Top of Cabinet 29
14 Dryer Cabinet with Panels Removed 31
15 Flasher Assembly Installed 33
16 Portable Take-Up Assembly Installed on Processor 35
17 Proper Arrangement for Feeding Various Sizes of Sheet Film 50
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SECTION 1
INTRODUCTION AND DESCRIPTION
1.1 PURPOSE
The Roller Transport Reversal Processor, 12-Inch, (RT-12R) can process
either cut sheet or continuous strip black-and-white films. The machine
can be changed easily between processes yielding reversal or standard nega-
tive images. Darkroom operation at the feeding station while processing
cut sheet film is mandatory; with continuous strip films, processing may
occur under white light since a lighttight film supply magazine or cassette
is used at the feeding station.
Temperatures, replenishments and recirculation of the processing solu-
tions are controlled on a solution control panel which is attached directly
to the rear of the processor.
An over-all view of the processor is depicted in Figure 1, and various
components are identified in the schematic in Figure 2.
1.2 MACHINE DESCRIPTION
1.2.1 Frame and Panel Construction
The RT-12R Processor consists of three main sections: the feed
stand, the processing tank section, and the dryer section. Construction of
the frames and panels for all three sections is identical. Frames are welded
from right-angle stainless steel. The top and side panels are built of honey-
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Figure 1. Over-All View of Roller Transport Reversal Processor, 12-Inch
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ENTRANCE
CR0550VLR
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comb aluminum sandwiched between Icc aluminum sheets. Both sides of every
panel are then covered with vinyl.: can cide with a solid beige color; the
other with a walnut grain. Thus the ionels are lightweight and are easily
removed for inspection and oc ratinnni purposes.
The frame members an rniehed with bated enamel which is easy
to wipe clean and is not affected l ricessinq chemicals. The same proper-
ties are true for the vinyl surfece; an the panels.
1.2.2 Feed Stand
panel and associated wiring:. V
Standing on two bent : h-w~ seven inches above the top of
the feed stand is the feedirin
cc,ensee guide which is level with
the feed slot. Sheet product is p -nd on this guide and fed into the
processor. For processing coy -inu >us cob or roll products, the edge guide
is removed and replaced by a Wci rnr; assembly to accommodate two types
of lighttight film cassettes. Thin iii earl mode is shown in Figure A.
be adjusted to align the -tan . i. .,e ;,recessing tank section.
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1.
Cover Locking Knob, "A-9" Cassette
5-
Plunger
2.
Spool Retainer Knob
6.
Light Lock Release for Special
3.
Light Lock Lever
Cassette
4.
Feed Tunnel Cover Locking Knob
Spindle for Hand.crank or Prony
Brake Pulley
Figure 3. Film Cassette and Feed Tunnel Mounted on Feed Stand
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1.2.3 Electrical Control Panel
The panel is shown in Figure 4. Following is a description of
each control and indicator on this pane:].;
a. MAIN. This control is used as the primary ;electrical_
switch for the processor; U must be turned ON before
any other electrical control will function. The con-
trol is a 50-amp circuit breaker to protect the
processor circuits. Further, it is rated to operate
at 220 volts ac, 60 cycle, 3 phase, 4 wire.
b. BLOWER SELECTOR, There are four positions L, 2, 3, and ~E
on this switch which is used to control the speed of the
dryer blower motor. At position 1 the motor turns at 600
rpm; at 2, 900 rppm; at 3, 1200 rpm; and at 8, 1800 rpm.
A step is built in the switch that prevents it being
turned directly from position 8 to 1. The switch must be
reversed through positions 3 and 2 to 1.
c. SPEED INDICATOR. The rate of film travelin: ; through
the processor is indicated on this tachometer in feet
per minute. The instrument is coupled to a transistor-
ized speed control that is part of the main drive motor.
d. SPEED CONTROL. This micropotentiometer is used to ad-
just the speed of the main drive motor. Although its
dial shows space for three digits, the control is limited
to only a 340-degree turn and indicates numerals from 0
to 87. The numerals could be referenced to machine
speed in feet per minute. The control is connected to
the same transistorized device on the main drive motor
as the tachometer.
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Figure 4. Electrical Control Panel
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Machine speed should be returned to "0"
before turning OFF the DRIVE or MAIN
switches.
e. DRIVE Switch. The ON-OFF contr:)l for the main drive
motor.
f. REPLENISHMENT (REVERSAL and NEGATIVE Switches. The
electrical portion of the pneumatic-electrical re-
plenishment system is energized with these switches.
(One or both switches are turned ON depending on the
process.) An associated pilot light behind a safe-
light jewel glows when the switch is turned ON. See
Section 1.2.8 for an explanation of the rer.lenishment
system.
g. HEATER SELECTOR. This selector switch is used to control
the number of heating elements in operation inside the
dryer cabinet. The control is used. to energize up to six
(plus a thermostatic-controlled) heater elements. A pilot
light, centered above and between this switch and the
BLOWER SELECTOR, glows when a single heater element, which
cycles on or off as necessary to control temperature, is
energized. See Section 1.2.11 for a description of dryer
operation.
h. DRYER DRIVE. This control is a 50-amp circuit brea'_~,er
similar to the control used as the MAIN switch. It must
be turned ON before either the dryer blower motor or heatingg
elements can be energized by their respective selector
switches.
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i. RECIRCULATION PUMPS BY TANK NUMBER. The five controls a_e
used to energize pump motors to recirculate various chemical
solutions used in nine tanks in the processor tank section
as follows:
(1)
(2)
(3)
(4)
(5)
The switch labeled 1-4 (See Figure l+) energizes the
pump for developer and this solution recicculates
through the first four_ tanks.
No. 6 energizes the pump which recirculates bleach
solution (used only during reversal prrocess) through
tank 6.
No. 7 energizes the pump that rccirculatrs solution
through tank 7 only l_urinn reversal process or throu,-oh
tanks 6 and 7 during ner,ative process.
No. 10 & 11 energizes the DUMP that recirculates solu-
tion through tanks 10 and 11 Burin; reversal and through
tanks 8 through Ii during the negative process.
No. 13 turns on the pumro for recirculati_rrn of fixer
through tank 13 during the reversal process only.
Although Nos. 6 and 13 control pumps that re-
circulate chemical solutions peculiar to the reversal
process, the switches should also be turned ON during
a negative process to help recirculate fixer in tank 6
and 7 and wash water in tanks 12 throuz-h 16. This addi-
tional recirculation provides more agitation cod aids
temperature control.
RE-EXPOSE METER and CONTROL. The ammeter indicate:.
electrical current to the 1.4 lamps in the flusher
assembly which is used during reversal processing;
to re-expose the image. The variable autotraansformer,
whose knob and scale are located just below the meter,
is adjusted to vary this power.
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k. LAMP. This switch is actually circuit breaker that
the ON-OFF control for the lamps and coolin, l)lowcr motor
for the flasher assembly.
1.2.4 Main Drive System
The transport system is driven by a one-horsepower variable
speed motor located in a compartment in the bottom of the feed, stand as
shown in Figure 5. One chain powers the horizontal main drive shaft which
drives the entire roller transport system in both the processing; and the
drying sections.
The roller racks take their dri-Le from a. series of worms mounted
on the main drive shaft. Power to the dryer drive it also transmitted by
means of two worms mounted on the main drive shaft. There worms operate two
pulleys which drive two endless belts.
The -racer roller assembly consists of two phenolic rollers
which derive their power from the main drive shaft by means of a chain.
These rollers grasp the film entering; the processor and transport the
film to the entrance crossover assembly.
1.2.5 Processing Tank Section
This section, often referrer: to as the wet section of the
processor, contains 16 tanks made of four I;-tank modules. During normal
negative processing, tanks 1 through h- contain develo}der, t