kite manual

USER HANDBOOK UH 149 FOR

KITE WEAPONSIGHT

Para.

WARNINGS CAUTIONS NOTES1. GENERAL DESCRIPTIONOPERATING INSTRUCTIONS7. Initial Receipt Inspection12. Operation21. Weaponsight Zeroing28. Closing DownUSER/UNIT MAINTENANCE 32. General 34. Cleaning35. Pressure Testing & Desiccation REPLACEMENTS 39. Batteries42. ND Filler Assembly43. Rubber Eyeguard44. FAULT FINDING45. USER SPARES DATADESTRUCTION OF EQUIPMENT 46. Mandatory Directive47. Means and Procedures

Table

1. Fault Finding Fig.

1. Transit Case and Contents2. KITE Common Weaponsight 3. Graticule Pattern

Issue 1, November 1990 Prelim (v)/(vi) bla

WARNINGS

(1) WEAPON SAFTEY. IT IS IMPERATIVE THAT NORMAL SAFETY PRECAUTIONS FOR THE WEAPON ARE CARRIED OUTBEFOI ANY ATY EMPT IS MADE TO REMOVE THE WEAPONSIGHT

(2) Batteries. THE SIGHT HAS BEEN DESIGNED TO OPERATE FROM A VARIETY OF Batteries INCLUDING MERCU~ALKALINE MANGANESE, LITHIUM AND NICKEL CADMIUJ OF THESE, ONLY THE NICKEL CADMIUM TYPES AIRECHARGEABLE.

(3) EXPLOSION HAZARD. MERCURY BATTERIES ARE CAPABLE ( GENERATING TOXIC GASES AT HIGH PRESSURE ANDMl BURST IF THEY ARE SUBJECT TO ANY ONE OF TI FOLLOWING:

a. EXCESSIVE HEAT.b. PROWNGED SHORT CIRCUIT.c. DISCHARGE WELL BEYOND THEIR OPERATING LIFE.

MERCURY BATTERIES WHICH HAVE BEEN DISCHARGED ~ THAT THEY WILL NO LONGER OPERATE THE SIGHT MUSTJ PROMPTLY REMOVED AND RETURNED TO STORES. THJ MUST NOT BE BURIED, PLACED ON A FIRE, OR IN AlRECEPTACLE FOR OTHER RUBBISH. NO ATTEMPT IS TO ) MADE TO OPEN OR ACCIDENTALLY SHORT CIRCUMERCURY BATTERIES.

CAUTIONS

(4) The sight is a sealed instrument and the user must not tamper with strip the sight in excess of the instructions contained in thishandbook Dirt or moisture entering the sight will serious affect its performance, Great care must be taken to avoid scratching!glass surfaces and lens during cleaning operations. No attempt should be made to wipe mud or grit in a dry state.

CAUTIONS

The photocathode of the image intensifier tube (IIT) may be damaged if bright light, either natural or artificial. is allowedto enter the objective system. When the sight is not in use. the Neutral Density (ND) filter assembly must be positionedto cover the objective assembly.

Remove discharged batteries from the sight. Remove batteries from the sight when not in use and before returning thesight to stores.

NOTE

Pressure testing and desiccation of the Weaponsight (assuming a controlled storage environment) is to be carried out at leastonce a year in all climates. In the absence of a controlled storage environment (no temperature or humidity controls), pressuretesting and desiccation of the Weaponsight is to be carried out at least twice a year in temperate climates and four times a year intropical climates.

GENERAL DESCRIPTION

1. The 'KITE' Common Weaponsight is a passive night vision device, which may be used in a hand held observation role ormounted to a weapon and zeroed using its adjustable graticule.

2. The sight consists of three main assemblies., the objective, magnifier, and the mounting bracket. Industrial nylon has been usedto m( the objective and magnifier assembly housings.

3. The magnifier assembly contains the eyepiece optical elements, adjustable graticule, the image intensifier tube (lIT) and two 1.5V bat tel The OFF/0N/GRA T switch, graticule brightness control, and all associated wiring are also contained within the magnifierassembly.

4. The sight is supplied in a transit case which also contains a carrying pouch, lens cleaning cloth and user handbook.

5. The mounting bracket assembly is constructed of aluminum provides the mounting interface for the following:

5.1 Small Arms i.e. Rifle, LMG, SMG, HMG, LAW

5.2 Crew Served Weapon5.3 Azimuth/Elevation Head5.4 Laser Range Finder 5.5 Photography

6. The sight has been designed for use with the following sef1 equipment:

6.1 AFV Crewman's Helmet6.2 General Service MK IV Helmet 6.3 S6 Respirator6.4 NBC Clothing6.5 Military Spectacles

Figure 2

8. Position the ND filter assembly (1) in the night stowage position on top of the objective assembly (2).

9. Remove the rubber Eyeguard (9) by carefully inserting a flat bladed screwdriver or similar non-pointed instrument into thegroove between the eyepiece (8) and the eyepiece (9).

10. Check that the objective lens, the ND filter assembly (1) and eyelens are clean; if they are not, clean in accordance with theinstructions provided in Para 34.

11. Replace the rubber eyeguard (9) by pushing it on to the eyepiece (8).

OPERATION (Figure 2)

12. Set the OFF/ON/GRAT switch (10) to "OFF'.

13. Release the captive screw (6) and remove the battery cap (7).

14. , Insert two 1.5 volt batteries (5), with their positive ( + ) contactsforward into the battery compartment (,1).

15. Close the battery cap (7) and secure using the captive screw (6).

CAUTION

• When checking or operating the Weaponsight in daylight. or by artificiallight. the ND filter assembly must be fitted to cover the objective lens in order to Prevent damage to the Image Intensifier Tube.

16. Set the OFF/ON/GRAT switch (10) to ON.

17. Press the eye against the rubber eyeguard (9). This will open the security shutter and allow the lIT screen to be viewed.

NOTE

The rubber eyeguard is offset and may be rotated to suit a left or right handed user.

Figure 2










CAUTION

• .When checking or operating the Weaponsight in daylight. or by artificiallight. the ND filter assembly must be fitted to cover the objective lens in order to Prevent damage to the Image Intensifier Tube.



NOTE


Figure 2










CAUTION

• .When checking or operating the Weaponsight in daylight. or by artificiallight. the ND filter assembly must be fitted to cover the objective lens in order to Prevent damage to the Image Intensifier Tube.



NOTE


1 ND Filter Assembly 9 Rubber Eyeguard

2 Objective Assembly 10. OFF/ON/GRAT Switch

3. Focus collar 11. Horizontal Adjusting Screw

Battery Compartment 12. Vertical Adjusting Screw

5. 1.5 Volt Battery 13. Clamping Lever

6. Captive Screw 14. Graticule Brightness Control

7 Battery Cap 15. Plunger Lever

9. Rubber Eyepiece

Figure 2- 'KITE' Common Weaponsight

18. Focus the Weaponsight to a target in excess of 10 meters from the user by rotating the focus collar (3) clockwise.

19. For bright line graticule operation, set the OFF/ON/GRAT switch (10) to the "GRAT' position and adjust the graticulebrightness control (14), until a suitable brightness is achieved.

20. When not in use, set the OFF/ON/GRAT switch (10) to "OFF', position the NO filter assembly to cover the objective lens andre-pack the weaponsight in the carrying pouch or transit case.

WEAPONSIGHT ZEROING (Figure 2)

NOTE

.Authoritative instructions for aligning the Weaponsight are given in therelevant Infantry Training Pamphlets. The methods detailed in this handbook can be used with the following weapons:

• .Rifle, 5.56mm, L85Al• .Machine Gun, 5.56mm, Light Support Weapon L86Al• .Rifle, 7.62mm, Sniper L96Al

21. Install the Weaponsight to the weapon. NOTES

.When installing the Weaponsight to the Rifle, 5.56mm, L85Al, the weapon handguard top cover should be temporarily raised forthe installation procedure .When installing the Weaponsight, rotate the clamping lever (13) fully counter-clockwise to the horizontalposition and raise the spring loaded plunger lever (15) before pushing the Weaponsight rearwards along the .weapon dovetailslideway. Positio!1 the Weaponsight along the weapon dovetail slideway, releasing the plunger lever (15) to engage in theselected position (hole) when the user's optimum (comfortable) position has been found. The Weaponsight may now be locked tothe weapon dovetail slide by clockwise rotation of the clamping lever (13).

22. Zero the weaponsight as follows:

NOTE

.It is recommended that alignment and adjustment of the weaponsight is carried out in daylight.

23. Improvise a stable rest for the weapon, for example a tripod or sandbag.

CAUTION

.When operating: the weaponsight by day. or under artificial lighting, the ND filter assembly must be fitted to cover the objective

lens.

24. Select a target at approximately 100 meters, which can be clearly seen through the weaponsight.

25. Set the OFF/ON/GRAT switch (10) to "GRAT" and adjust the graticule brightness control (14) for comfortable viewingbrightness.

26. Aim the weapon at a point of aim on the target using the point of the inverted Vee (Figure 3). Fire a minimum of five roundsbefore inspecting the target.

Figure 3 -Graticule Pattern

NOTE

When the Weaponsight is used with the Rifle, 5.56mm, L85Al, the Machine Gun, 5.56mm, Light Support Weapon, L86Al, or theRifle, 7.62mm, Sniper, L96Al, the tip of the inverted Vee is used for ranges out to 400 meters and the single spot for ranges

between 500 and 600 meters.

.The correct zero position (CZP) for various weapons are as follows:

• Rifle: 5.56mm L8SA1

• 90mm above point of aim (POA) at 100 meters

• 4Omm below POA at 25 meters

Machine Gun, S.56mm L86Al

80mm above point of aim (POA) at 100 meters

50mm below POA at 25 meters

Rifle, 7.62mm Sniper L96A1

106mm above point of aim (POA) at 100 meters

36mm below POA at 25 meters

27. If adjustment is necessary, move the position of the graticule by means of the two adjusting screws (11 and 12). One clickclockwise of the horizontal adjusting screw (11) will position the mean point of impact (MPI) 50 mm to the right at 100 meters.Conversely, for every one click counter-clockwise, the MPI is moved 50 mm to the left at 100 meters. One click clockwise of thevertical adjusting screw (12) will position the MPI 50 mm down at 100 metres. Conversely, for every one click counter-clockwise,the MPI is moved 50 mm upwards at 100 meters.

CLOSING DOWN (Figure 2)

28. Set the OFF/ON/GRAT switch (10) to "OFF' .

29. Ensure the NO filter assembly (1), is positioned to cover the objectivelens.

30. Rotate the clamping lever (13) counter-clockwise to the horizontal position, raise the spring loaded plunger lever (15) and slidethe weaponsight away from the weapon, taking care not to distort or twist the weapon mounting bracket.

31. If the weaponsight is not to be used for some time, remove the two batteries (5) and pack the weaponsight and the batteriesinto their respective compartments in the carrying pouch or transit case, as required.

USER/UNIT MAINTENANCE

GENERAL

32. The Weaponsight is a sealed instrument and must not be tampered with or maintained in excess of the instructions containedin this handbook.I33. User/Unit Maintenance is limited to cleaning, pressure testing and desiccation, and replacement of the batteries, ND filterassembly, rubber eyeguard, carrying pouch, transit cas.;, lens cleaning cloth and user handbook.

CLEANING

34. Dust on the optical surfaces should be removed with the cleaning materiel provided. If there is mud or grit on the NO filter,objective lens or eyelens, it should be first be removed with clean water. Dirt is removed using a moistened lens tissue, takingcare not to trap abrasive matter between the tissue and the glass. Soap or a mild detergent may be used to remove greasy stainsor smears. Do not use Petroleum Spirit or other solvents. Lightly polish the optical surfaces using clean dry lens tissue.

PRESSURE TESTING & DESICCATION

35. Pressure testing and desiccation of the weaponsight (assuming a controlled storage environment) is to be carried out at leastonce a year in all climates. In the absence of a controlled storage environment (no temperature or humidity controls), pressuretesting and desiccation of the weaponsight is to be carried out at least twice a year in temperate climates and four times a year intropical climates.

36. Individual red colored desiccating (purging) screws, complete with bonded seals, are installed to the underside of theObjective Housing and to the base cover of the Magnifier Housing. Either one of these desiccating screws, complete with itsbonded seal, may be temporarily removed to enable pressure testing and desiccation to be carried out.37. Pressure testing is to be carried out using clean Dry Nitrogen (to MIL-N-6011 specification) and a Leak Detector Kit, NSNV7/6685-99-962 -5713 (or equivalent). The maximum permitted leak rate at an internal pressure of 17.23 KN/m2 (2.5 Ibf/in2) is0.138 KN/m2 (0.02 Ibflin2) in 10 minutes.

38. Desiccation is to be carried out using f. Dehydrator, Desiccant, Electric, Series 3 MK. 3, NSN V7/4440-99-964-8511 (orequivalent).

REPLACEMENTS (Figure 2) BA1TERIES

39. Release the captive screw (6), open out the battery cap (7) and removethe batteries (5).

40. Insert two serviceable 1.5 volt batteries (5), with their positive ( + ) contacts forward, into the battery compartment (4).


ND FILTER ASSEMBLLY

42. The ND filter assembly (1) is removed by maneuvering the rubber strap from around the objective assembly (2) and pullingaway.

RUBBEREYEGUARD

43. The rubber eyeguard (9) is removed by carefully inserting a flat bladed screwdriver or similar non-pointed instrument into thegroove between the eyepiece (8) and the eyeguard (9).

FAULT FINDING

44. If the faultfinding outlined in Table 1 overleaf is unsuccessful, return the Weaponsight to an approved Repair Facility for repair.

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