TM 11-5855-250-12&P TECHNICAL MANUAL OPERATOR’S …

1 TM 11-5855-250-12&PTECHNICAL MANUALOPERATOR S AND ORGANIZATIONAL MAINTENANCE MANUALINCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTFORSEARCHLIGHT, INFRAREDAN/GSS-14(V)1 (NSN 5855-00-137-7697),AN/GSS-14(V)2 (NSN 5855-00-137-7698),AN/VSS-1(V)1 (NSN 5855-00-137-7696),AN/VSS-1(V)2 (NSN 5855-00-137-8289)HEADQUARTERS, DEPARTMENT OF THE ARMYMAY 1977 WARNINGDo not turn off the main power switch until the blower has not look directly into the searchlight when it is in operation. The high, intense,visible or infrared light may cause blindness or severe eye not operate the searchlight in the visible modes while personnel are within 200meters of the beam may suffer temporary flashblindness at ranges in excess of 200 meterswhen the searchlight is operated in either of the visible extremely careful when handling the high-pressure Xenon lamp.

2 Avoidtouching the quartz envelope of the Xenon 11-5855-250-12&PC1 ChangeHEADQUARTERSDEPARTMENT OF THE ARMYNO. 1 Washington, DC, 26 February 1982 OPERATOR S AND ORGANIZATIONAL MAINTENANCE MANUALINCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTSFORSEARCHLIGHT, INFRAREDAN/GSS-14(V)1 (NSN 5855-00137-7697)AN/GSS-14(V)2 (NSN 5855-00-137-7698)AN/VSS-1(V)1 (NSN )AN/VSS-1(V)2 (NSN 5855-00-137-8289)TM 11-5855-250-12&P, 26 May 1977, is changed as or changed material is indicated by a vertical bar in the or revised illustrations are indicated by a vertical bar next to the figure and insert pages as indicated in the page list below:Remove pagesInsert pagesi and iii .. i and iii4-3 .. 4-3 None .. 4-4 through 4-6A-1/(A-2 BIank).

3 A-1/(A-2 Blank)C-3 through C-5 ..C-3 through this change sheet in front of the publication for reference Order of the Secretary of the Army:E. C. MEYERG eneral, United States ArmyOfficial:Chief of StaffROBERT M. JOYCEB rigadier General, United States ArmyThe Adjutant GeneralDistribution:To be distributed in accordance with Special List.}TM MANUAL HEADQUARTERSDEPARTMENT OF THE ARMYNO. 11-5855-250-12&P Washington, DC, 26 May 1977 OPERATOR S AND ORGANIZATIONAL MAINTENANCE MANUALINCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTSFORSEARCHLIGHT, INFRAREDAN/GSS-14(V)1 (NSN 5855-00-137-7697)AN/GSS-14(V)2 (NSN 5855-00-137-7698)AN/VSS-1(V)1 (NSN 5855-00-137-7696)AN/VSS-1(V)2 (NSN 5855-00-137-8289)REPORTING ERRORS AND RECOMMENDING IMPROVEMENTSYou can help improve this MANUAL .

4 If you find any mistakes or if you know of a wayto improve the procedures, please let us know. Mail your letter, DA Form 2028(Recommended Changes to Publications and Blank Forms), or DA Form 2028-2 locatedin the back of this MANUAL direct to Commander, US Army Communications-ElectronicsCommand, ATTN: DRSEL-ME-MQ, Fort Monmouth, NJ either case, a reply will be furnished direct to of ContentsParagraph PageChapter 1-1 1-1 Index of TECHNICAL 1-2 1-1 Maintenance forms, records, and 1-3 1-1 Administrative 1-4 1-1 Reporting equipment improvement recommendations (EIR).. 1-1 Destruction of army electronics 1-5 and dataPurpose and 1-6 1-1 Tabulated 1-7 1-3 Items comprising an operable Searchlight, Infrared AN/CSS-14(V) andAN/VSS-1(V).

5 1-8 1-5 Common 1-9 1-6 Description of 1-10 1-6 Additional equipment 1-11 1-8 Searchlight 1-12 1-9 Differences in 1-13 1-14 1-12 Equipment 1-15 1-12 Chapter upon receipt of 2-1 2-1 Checking unpacked 2-2 2-3 2-4 2-1 Chapter INSTRUCTIONSS ection and indicators}Change 1 iTM 11-5855-250-12&PTable of Contents con 3-1 3-1 Operator s controls and 3-2 3-1 Blower inlet and outlet 3-3 under usual conditionsStarting 3-4 3-3 Standby 3-5

6 3-4 Normal stopping 3-8 3-4 Emergency stopping 3-7 under unusual 3-8 3-4 Operation in arctic 3-9 3-5 Operation in tropical 3-10 3-5 Operation in desert 3-11 3-5 Chapter AND ORGANIZATIONAL MAINTENANCE INSTRUCTIONSS ection 4-1 4-1 Operator s weekly preventive 4-2 4-1 Organizational monthly preventive 4-3 s preventive MaintenanceScope of operator s 4-4 4-1 Materials required for operator s 4-5 4-1 Operator s weekly preventive maintenance checks and 4-6 4-7 4-2 Operator s 4-8 4-2 Conversion for 4-9 preventive maintenanceScope of organizational 4-10 4-2 Materials required for organizational 4-11 4-2 Organizational monthly preventive maintenance checks and service 4-12 4-2 Organizational 4-13 support removal and 4-14 4-5 Replacement and repair 4-15 4-5 Disassembly and reassembly of shockmount 4-18 4-5 Chapter , AND LIMITED STORAGER epackaging for shipment or limited 5-1 5-1 Limited 5-2 5-1 IllusPage A-1 Appendix BBASIC ISSUE ITEMS LIST, ITEMS TROOP INSTALLED OR AUTHORIZED LIST.

7 AND ORGANIZATIONAL MAINTENANCE REPAIR PARTS AND SPECIALTOOLS LISTSS ection B-1 IIBasic issue items B-5 IIII tems troop installed or authorized list (Not applicable)IVRepair parts B-6 Group 00 Searchlight, Infrared AN/CSS-14(V)1, AN/GSS-14(V)2, AN/VSS-1(V)1,AN/VSS-(V) B-6 B-101 Control, Searchlight C-7164/GSS-14(V) and C-7163/VSS-(IV).. B-6 B-102 Mount, Searchlight MT-3900/GSS-14(V) and MT-3900A/GSS-14(V).. B-6 B-10201 Yoke assembly (No parts authorized)020101 Azimuth gear box assembly (No parts authorized)020102 Brake assembly (No parts authorized)02010201 Plate assembly (No parts authorized)020103 Elevation gear box assembly (No parts authorized)02010301 Plate assembly (No part authorized)0202 Pedestal assembly MT-3900/GSSD14(V) and MT03900A/GSS-14(V)(No parts authorized)0203 Shock absorber (No parts authorized)0204 Bracket assembly (No parts authorized)03 Shock mount assembly (No parts authorized)0301 Coupler assembly, upper (No parts authorized)0302 Coupler assembly, lower (No parts authorized)04 Searchlight B-60401 Gear motor drive assembly (No parts authorized)

8 0402 Converter assembly, models 6484, 9912, 9924, 948, and F50001(No parts authorized)Change 1 iiTM 11-5855-250-12&P0403 Cowling assembly ..B-6B-10404 Heat exchanger (No parts authorized)040401 Blower motor assembly (No parts authorized)0405 Housing assembly (No parts authorized)0406 Lamp housing assembly (No parts authorized)0407 Igniter assembly (No parts authorized)0408 Scope mount assembly (No parts authorized)0409 Relay panel assembly, models 9913, and SC-D-613960 (No parts authorized)0410 Switch assembly (No parts authorized)05 180-ampere alternator kit (No parts authorized)0501 Mounting kit (No parts authorized)06 Cable assembly (No parts authorized)SectionV Special tools list (Not applicable)VI National stock number and part number index (Not applicable)APPENDIXC.

9 MAINTENANCE ALLOCATIONS ectionI. Introduction ..C-1II. Maintenance allocation chart for Searchlight, Infrared AN/VSS1(V)1, AN/VSS-1(V)2,AN/GCSS-14(V)1, and AN/GSS-14(V)2 ..C-3 LIST OF ILLUSTRATIONSF igureTitlePage1-1 Searchlight, Infrared AN/VSS-1(V) (case not shown) .. 1-21-2 Searchlight, Infrared AN/VSS-1(V) (mounted on tank).. 1-21-3 Searchlight, Infrared AN/GSS-14(V) (mounted on jeep) .. 1-31-4 Searchlight, Infrared AN/GSS-14(V) (mounted on MT-3900A/GSS-14(V)) .. 1-41-5 Searchlight, 1-71-6 Searchlight, subassembly (cowling assembly, primary reflector, xenon lamp,and upper elbow, removed).. 1-81-7 Control, Searchlight C-7163/VSS-1(V), front 1-91-8 Control, Searchlight C-714/CG14(V), front 1-101-9 Searchlight subassembly (cowling assembly removed) and tank power 1-111-10 Searchlight modes of 1-132-1 Typical packing of the AN/VSS-1(V).

10 2-22-2 Typical packing of the AN/VSS-1(V), top cover 2-32-3 Typical packing of the AN/GSS-14(V) .. 2-42-4 Typical packing of the AN/GSS-14(V), top cover removed .. 2-53-1 Operator s controls and indicators (MT-3900A/GSS-14(V)).. 3-23-2 Location of blower inlet and outlet screens .. 3-34-1 Shockmount assembly, exploded view .. 4-1 Change 1 iiiTM 11-5855-250-12&PCHAPTER 1 INTRODUCTIONS ection I. GENERAL1-1. MANUAL describes Searchlights, InfraredAN/GSS-14(V)1, AN/GSS-14(V)2, AN/VSS-1(V)1, andAN/VSS-1(V)2. It includes installation, operation, andoperator and organizational maintenance. Also included,are operation under usual and unusual conditions,inspections, cleaning, and replacement of parts availableto the operator and organizational maintenancepersonnel.