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![]() ![]() TM 11-6780-225-35
TECHNICAL MANUAL
HEADQUARTERS
DEPARTMENT OF THE ARMY
WASHINGTON, DC, 4 August 1970
No. 116780-225435
Direct Support, General Support,
and Depot Maintenance Manual
DARKROOM, PHOTOGRAPHIC, TRANSPORTABLE ES-82A
Paragraph
Page
INTRODUCTION
Scope...................................................................................................................................... 1-1
Indexes of publications ........................................................................................................... 1-2
Reporting of errors .................................................................................................................. 1-3
Reporting equipment improvement recommendations (EIR) .................................................. 1-4
Administrative storage ............................................................................................................ 1-5
Destruction of Army electron cs materiel ................................................................................ 1-6
FUNCTIONING
General ................................................................................................................................. 2-1
Electrical system ..................................................................................................................... 2-2
Enlarger and repeating timer .................................................................................................. 2-3
Equipments covered in other technical manuals .................................................................... 2-4
Heating and air-conditioning system ....................................................................................... 2-5
Intercom ............................................................................................................................... 2-6
Space heater, and film and print drying cabinets .................................................................... 2-7
Water heater ........................................................................................................................... 2-8
Water system ........................................................................................................................ 2-9
DIRECT AND GENERAL SIJPPORT MAINTENANCE
SECTION
General
Scope of direct and general maintenance .............................................................................. 3-1
Tools, materials, and test equipment required ........................................................................ 3-2
SECTION
Troubleshooting
General instructions ................................................................................................................ 3-3
Troubleshooting procedures ................................................................................................... 3-4
Direct and general support electrical system troub leshooting chart ....................................... 3-5
Direct and general support water system troubleshooting chart ............................................. 3-6
Directandgeneralsupportspaceheaterandfilmandprintdryingcabinetstroubleshootingchart............................ 3-7
Repair
Considerations before disassembly of darkroom .................................................................... 3-8
Curbside aft compartment repair ............................................................................................ 3-9
Space heater, and film and print drying cabinets repair ....................................................... 3-10
Center compartment repair ................................................................................................... 3-11
Forward compartment repair ................................................................................................. 3-12
Water system repair .............................................................................................................. 3-13
Forward and roadside exterior repair .................................................................................... 3-14
Aft and curbside exterior repair ............................................................................................. 3-15
Cleanable filter repair ............................................................................................................ 3-16
Intercom repair ...................................................................................................................... 3-17
Dehumidifier repair ............................................................................................................... 3-18
Humidistat repair ................................................................................................................... 3-19
Spiral tube evaporator repair ................................................................................................ 3-20
Film, print drier, and space heater control panel repair ........................................................ 3-21
Refrigerator repair ................................................................................................................. 3-22
Partition and sliding door installation repair .......................................................................... 3-23
DIRECT AND GENERAL SUPPORT TESTING PROCEDURES
Testing the darkroom .............................................................................................................. 4-1
Insulation test.......................................................................................................................... 4-2
Continuity test ......................................................................................................................... 4-3
Voltage test ............................................................................................................................. 4-4
CHAPTER
DEPOT MAINTENANCE AND DEPOT OVERHAUL STANDARDS
Depot maintenance of the darkroom ...................................................................................... 5-1
Depot maintenance rebuilding procedures ............................................................................. 5-2
Applicability of depot overhaul standards ............................................................................... 5-2
Change 2 i
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