Newcon Optik LRB 20 000 operation manual Serviceability Test, Maintenance

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9. SERVICEABILITY TEST

The principal tests to be performed on the range finder are listed below. Table 9.1

What is checked, tools, instruments,

 

Technical requirement

equipment. Test procedure

 

 

1. Range finder completeness

Range finder is complete with all

 

 

components listed in Section 5

2. Range finder exterior

Exterior surfaces are clean and free from

 

 

cracks, dents and rust

3.Exterior of range finder optical

Optical surfaces are free from cracks,

parts (to be checked visually).

scratches, chips, dirt, grease stains (on

Make sure the unit is off!

exterior)

and condensed moisture

 

 

(inside)

 

4. Dehydrator case of range finder

Silica gel is bluish in colour

(to be checked visually)

 

 

5.Battery voltage.

Proceed as

Red glow not observed in left eyepiece of

directed under 8.3.1.

range finder

6. Illumination of range finder

Binocular reticle is illuminated

Binocular reticle. Check that front

 

 

cover is closed on range finder

 

 

and set ILLUM. selector switch to

 

 

ON

 

Measurement results are within 5 m of

 

 

7.Functioning of

range finder.

predetermined range or on another ER

Proceed as directed under 8.3.2.

“O” error

determined for vertical angle

8.Setting of zero elevation scale is to be reckoned in while measuring target elevationreference (ER “0”). Proceed as

under 8.6.1.

 

Table 9.1, continued

 

 

What is checked, tools, instruments,

Technical requirement

equipment. Test procedure

 

 

 

9. Sensitivity, indexing uniformity

Turn in unit for repair if even a

and balance of magnetic needle.

single requirement of 8.6.2. is

Proceed as under 8.6.2.

not satisfied

10.AI azimuth and elevation If necessary, tighten bushings on

adjustment knobs for play

knob end faces to eliminate play

10.MAINTENANCE

10.1.Maintenance Organization and Procedure. General

Instructions.

10.1.1.This Section deals with the maintenance services prescribed for the range finder, excepting the battery servicing procedure. For the latter procedure, refer to Section 16.

10.1.2.The range finder is serviced to ensure its operability and readiness for operation.

The range finder is subject to timely full-scope servicing, unless premature wear should occur resulting in shorter periods between repairs.

10.1.3.While preparing for and carring out the maintenance services, observe the safety precautions as outlined in Section 6.

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Contents LRB 20 Contents Following abbreviations are used herein Technical Characteristics PurposeSupplied Accessories EmitterAppearance of the Device Page Safety Precautions NeverBefore Replacing BATTERY, SET Selector to OFF Preparing for USEPage Operating Procedure Page = Am ∆ Am Serviceability Test MaintenanceSurfaces Servicing within Trouble Shooting Measure Long Term Storage Storage RulesRechargeable Battery Handling ShipmentPage Data Output to External Equipment Acceptance CertificateLong Term Storage Certificate Packing CertificateWarranty Customer SupportPage Tripod mount Angular Mount Individual Spta set