Megaray MR175mk2, Operator And Organizational Maintenance Manual

Page 1: ...York Street I Randburg I Johannesburg I 2194 I South Africa All Correspondence to PO Box 78800 I Sandton I 2146 I South Africa Tel 27 11 326 1167 I Fax 27 11 326 1165 e mail info megaray com I web www megaray com MK2 OPERATOR AND ORGANIZATIONAL MAINTENANCE MANUAL ...

Page 2: ... Figure 2 Megaray Standard Kit 5 Figure 3 Megaray Light Unit 6 Figure 4 Battery Side Panel 7 Figure 5 Battery Power Indicator LEDS 7 Figure 6 Battery Vest 8 Figure 7 Power Cable 8 Figure 8 Battery Charger 9 Figure 9 Attachment for Carry Strap Hook 10 Figure 10 Picatinny Rail Used to Mount a Night Vision Device or Similar 11 Figure 11 Connecting the Power Cable to the Megaray from the Battery Vest ...

Page 3: ...s of bulging do not use Battery contains lithium that could emit sulfur dioxide and may explode if handled improperly DO NOT carry battery loosely or in cases where they could short circuit and cause damage or injury Do not replace battery in a potentially explosive atmosphere Sparking on connecting may occur while installing or removing battery and cause an explosion Serious injury to personnel m...

Page 4: ...e the unit is open and the lamp is exposed Personnel working in close proximity to an operating Megaray should avoid pointing the beam onto exposed skin Never point the Megaray beam at anyone or look into the output lens of the beam whether in the visible mode or with IR filters Permanent eye damage and blindness could result Megaray must not be operated at angles greater than 45 in an upward dire...

Page 5: ... g Grams hrs Hours Hz Hertz In Inches IR Infrared kg Kilograms LED Light Emitting Diode Mts Meters min Minutes mm Millimeters Yds Yards nm Nanometers oz Ounces RA Return Authorization Number V Volts VAC Volts Alternating Current VDC Volts Direct Current Figure 1 List of Abbreviations 1 3 DESCRIPTION OF THE EQUIPMENT The standard Megaray is a compact battery powered ultra high intensity searchlight...

Page 6: ...e Description 1 MR SS Shoulder strap 2 MR 175SC Shipping and storage soft case 3 MR 175MK2 Megaray light unit 4 LB 175 Lithium polymer battery 5 MR 175MAN Operator and Organizational Maintenance Manual 6 MR 3330 Battery vest including power cable 7 BC 175 Battery charger 8 MR PIC1 Picatinny rail Figure 2 Megaray Standard Kit ...

Page 7: ...Megaray Light Unit 1 Lens housing 6 Battery Low LED 2 Picatinny rail 7 Over Temperature LED 3 Air vents 8 Power On LED 4 Power connection 9 Mode selector switch 5 Bottom heat sink 10 Main ON OFF switch Figure 3 Megaray Light Unit 1 2 3 4 5 6 7 8 9 10 ...

Page 8: ...st during recharging The same cable and connector used to connect the Megaray light unit to the battery vest is used to connect to the battery charger Figure 7 1 6 3 Battery The battery charge level can be checked on the Change level indicator by touching the touch pad indicator see Figure 4 The battery power indicator lights will be lit to show how much battery power is left see Figure 5 Figure 4...

Page 9: ...n the rear of the battery vest The battery remains in the battery vest during recharging The Power cable Figure 7 connects the Battery vest to the Megaray and the Battery Charger Figure 6 Battery Vest Figure 7 Power Cable Battery pouch in which the Lithium polymer battery is housed ...

Page 10: ...battery pouch When the battery vest requires recharging the same power cable is used to connect to the Megaray battery charger 1 7 2 Charging the Lithium Polymer Battery Charging the Megaray Lithium polymer battery using the custom Megaray battery charger is quick and uncomplicated On top of the charger there is a LED light which indicates how far the charging process is Red LED Charging Yellow LE...

Page 11: ...10 1 8 CARRY STRAP An adjustable shoulder carry strap attaches with the carry strap hooks on the Megaray MR175 MK2 as illustrated below Figure 9 Figure 9 Attachment for Carry Strap Hook ...

Page 12: ...1 9 PICATINNY RAIL A picatinny universal 6 inch rail The Picatinny rail allows other equipment to be mounted to the Megaray Figure 10 Figure 10 Picatinny Rail Used to Mount a Night Vision Device or Similar ...

Page 13: ...demonstrated below Figure 11 where the battery vest connects to the Megaray To connect a Press the connectors together firmly after insertion while turning cable connector b Tighten the female connector until the red band is not visible Figure 11 Connecting the Power Cable to the Megaray from the Battery Vest This method requires a little practice but once mastered enables the operator to connect ...

Page 14: ...24V power source Currents below these levels may not be sufficient to ignite the Megaray s short arc xenon lamp 2 2 2 1 External Power Cable The external power cable is equipped with a female connector on the one end identical to the female connector on the battery vest and two heavy duty alligator clips on the other end Figure 12 External Power Cable being Connected to Searchlight The alligator c...

Page 15: ... pressed once and goes off when the switch is pressed again When the Megaray is switched on the red Power ON LED Figure 14 situated inside the label area of the light unit glows indicating that the power supply module and electronic circuit are functioning correctly Figure 13 Megaray ON OFF Switch Figure 14 Megaray Light Unit Label Power ON LED Over Temperature LED Battery LOW LED ...

Page 16: ...t the bottom front of the unit Figure 15 The following modes are selectable a Strobe In this mode the light beam flashes at eight cycles second 8Hz in high beam mode Mode switch is in the forward position b High beam In this mode Megaray operates at continuous light output Mode switch is in the backward position Figure 15 Light Mode Switch Strobe Continuous ...

Page 17: ...sity is obtained at this angle 2 5 2 Increased Beam Divergence As the lens housing is moved backwards Figure 16 B the beam angle increases until the maximum beam of 6 is achieved Figure 16 Adjusting Beam Divergence Lens housing in fully extended position results in minimum beam divergence 2 with maximum range and beam intensity Lens housing in fully retracted position results in maximum beam diver...

Page 18: ...ch off until it cools off whereupon the operation can then be restarted 2 6 1 Temperature Control The Megaray is equipped with two heat sinks and an electric fan to maintain critical temperature levels There are also two heat sensors that automatically switch the unit off should the temperature rise above a predetermined level The sensors monitor the temperatures of the xenon lamp and the bottom h...

Page 19: ...d photographic Gorilla tripod Figure 18 Figure 18 Threaded Hole in the Heat Sink Any standard inch tripod screw fits into the threaded hole at the bottom of the Megaray The hole is situated on the bottom heat sink directly in front of the cooling fins Figure 18 ...

Page 20: ...ith the Megaray standard kit Figure 2 Item Part Number Picture Description 1 MIR 103 Covert IR filter 2 MIR 102 Semi covert IR filter 3 CSL 074 Clear spreading lens 4 EMC 031 External power cable 5 MRT Bh0 Tripod with ball head 6 NVD 804 Night Vision Device 7 HCC 001 Hard carry case with custom insert SVA60foam Figure 19 Optional Accessories ...

Page 21: ...er Both filters simply clip onto the front of the lens housing to quickly convert the unit into an effective IR illuminator for covert and special applications The MIR 102 is a semi covert filter and the MIR 103 is a covert filter The filters can be stowed in the two small pockets on the battery vest MIR 102 MIR 103 Figure 20 IR Filters Figure 21 Chart of IR Filter Curves Figure 22 Installing IR F...

Page 22: ... 62 7 x 49 7 x 30 3cm 24 71 x 19 58 x 11 93in Internal dimensions 55 x 42 2 x 26 8cm 21 68 x 16 62 x 10 56in Weight 7 60kg 16 8lbs Figure 23 Hard Carry Case Figure 24 Protective cut out Foam liner inside Hard Carry Case The hard carry case can also be fitted with a custom made protective cut out foam liner which is specially designed to fit the full Megaray Kit with optional extras ...

Page 23: ...s and IR filters 4 1 2 Battery Vest The battery used in the Megaray battery vest is a Lithium polymer battery and is maintenance free Materials used in manufacturing the Megaray battery vest are strong and durable No maintenance is required other than cleaning the vest material periodically 4 1 3 Inspecting and Cleaning Electrical Connections Inspect the electrical connections for physical damage ...

Page 24: ...me on a Battery or power source too low b Internal temperature too high Temp LED on c Light unit faulty a Put the battery vest on charge or check the power source for correct voltage and current settings b Allow the unit to cool down It will restart automatically when the internal temperature reaches a safe level Note In hot ambient conditions or when airflow over the bottom heatsink is low this s...

Page 25: ...lectronics a Repair light unit b Repair light unit Light unit stops operating after some time and Temp LED is on a Over temperature trip b Supply voltage too low c Electronics malfunctioned d Lamp malfunctioned a Allow the unit to cool down It will restart automatically when the internal temperature reaches a safe level Note In hot ambient conditions or when airflow over the bottom heatsink is low...

Page 26: ... Charging 0 C to 45 C 32 F to 113 F Discharging 20 C to 60 C 68 F to 140 F Storage longer than 2 weeks 20 C to 45 C 68 F to 113 F Recharge Time Standard 5 hours Compact 4 hours Battery Life per cycle at 23 C 73 F Continuous High Beam Std 100 min Compact 35 min Strobe Beam Std 180 min Compact 75 min Weight Light Unit 8 6 lbs 3 9 kg Battery and Vest Standard 7 7 lbs 3 5 kg Battery and Belt Compact 4...

Page 27: ...urchaser will be required to prepay an evaluation fee of USD50 00 this amount maybe revised from time to time This warranty does not extend to any unit which 1 has been subject to misuse neglect or accident 2 has been used in violation of instructions provided by Megaray Limited whether or not said instructions are prepared by Megaray Limited or 3rd party manufacturers 3 which has its serial numbe...