DeWalt DW092 Manual

DeWalt Ikke kategoriseret DW092

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IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT THIS OR ANY DEWALT TOOL,

CALL US TOLL FREE AT: 1-800-4-DEWALT (1-800-433-9258)

Safety Instructions for Levels and Transits

WARNING! Read and understand all instructions. Failure to follow all

instructions listed below may result in electric shock, fire and/or serious

personal injury.

SAVE THESE INSTRUCTIONS

DANGER: Do not operate during storms or near high voltage. NEVER attempt to use

a grade rod in a storm or near overhanging electric wires.

DANGER: Do not use optical tools such as a telescope or transit to view a laser

beam. Serious eye injury could result.

DANGER: Always be sure to set up optical instruments so that any user will not

intentionally or accidentally look through the instrument at the sun or any other

source of bright light, keeping in mind that the sun moves throughout the day.

• Store level and transit out of reach of children and other untrained persons.

• Use only accessories that are recommended by the manufacturer for your model.

Accessories that may be suitable for one level and transit, may create a risk of injury

when used on another level and transit.

• Tool service must be performed only by qualified repair personnel. Service or

maintenance performed by unqualified personnel may result in injury. To locate your

nearest DE EWALT service center call 1-800-4-D WALT (1-800-433-9258) or go to

http://www.dewalt.com on the Internet.

• Do not operate the level and transit around children or allow children to operate the

level and transit. Serious eye injury may result.

• Do not remove or deface warning labels.

• Position the level and transit securely on a level surface. Damage to the level and

transit or serious injury could result if the level and transit fall.

WARNING: This product contains chemicals, including lead, known to the State of

California to cause cancer, and birth defects or other reproductive harm. Wash hands after

handling.

•Avoid prolonged contact with dust from power sanding, sawing, grinding, drilling,

and other construction activities. Wear protective clothing and wash exposed

areas with soap and water. Allowing dust to get into your mouth, eyes, or lay on the skin

may promote absorption of harmful chemicals.

Components

Tripod Setup

1. Loosen the straps (L) around the tripod legs (M). Lift the extension quick-release clamps

(N).

2. With the tripod closed, extend the legs so the tripod head is approximately eye level.

Tighten the quick-release clamps.

3. Position the legs in a triangular position. Fix the legs firmly into the ground by pressing

on the tripod shoes (O).

4. Gently remove the level from the carrying case. Note how the level is packed so that it

can be placed back in the same position.

5. Carefully position the instrument in the approximate center of the tripod head (Q). Insert

the tripod centering screw (Q) into the base plate (G), taking care to align the threads

properly. Tighten the screw until the instrument fits snug on the tripod. Do not overtighten

or strip the threads.

Leveling

1. If using the DW092 Transit Level, make sure the lock lever (K) is engaged.

2. Turn the telescope so that it is aligned with two of the leveling screws.

3. Holding the two leveling screws on one side of the the telescope, turn both knobs in

opposite directions (moving both thumbs simultaneously toward or away from you), until

the bubble is centered in the vial. (This loosens one screw while tightening the other.)

NOTE: If the instrument rocks, it is not securely mounted to the tripod or the tripod is not

securely situated. You will be able to level the instrument until it is secure.NOT

4. Rotate the telescope 90˚ then only turn the third knob until the bubble is level again.

5. Rotate the telescope 90˚ again to make sure the bubble is still centered.

NOTE: If the instrument is properly leveled, the bubble should stay centered throughout

the 360˚ rotation. If the instrument cannot be properly leveled, it needs to be checked by

a qualified technician.

OPERATION

Stadia Measurement

The Builder’s and Transit Levels are equipped with a stadia reticle so you can make simple

distance estimates. The stadia lines are located in the reticle (Figure 5). Sight the rod, read

the two observations at the stadia lines, take the difference of these observations and multi-

ply by 100 to estimate the distance between the rod and the center of the instrument.

Measuring Height Difference (Fig. 5, 6)

1. Set up the instrument at a point approximately halfway between points A and B (Fig. 6).

NOTE: The reticle stadia lines can be used to optically compare the distances.

2. Position the rod vertically at point A. Take reading (a) [back sight] on the rod at point A.

3. Then sight the rod at point B and take reading (b) [foresight].

4. The difference (a – b) is the height difference (h) of B from A (Fig. 6).

Example: a – b = h

5.25 ft. – 3.25 ft. = 2.00 ft.

Therefore point B is 2.00 ft. higher than point A (the value of h will be negative if point B

is lower than point A).

WHEN THE DISTANCE BETWEEN POINTS A AND B IS LARGE OR IF THE HEIGHT

DISTANCE IS GREAT

1. Divide the distance into a number of sections and determine the height difference of each

section (Fig. 7).

2. The height difference between points A and B is the total of the height differences of all

the sections.

The general formula is:

altitude of known point + total of back sight values – total of foresight values =

altitude of the required point

NOTE: This simple leveling technique has no error check. It is better to measure from A to B

and then measure back to A so that the error of closure can be calculated.

Horizontal Circle and Reading (Fig. 1, 2)

Your instrument is equipped with an easy-to-read horizontal circle (D) for simple angle turning.

This horizontal circle is turntable and is used for laying out or estimating rough angles. The

horizontal circle is graduated in single degrees. The index line is located above the horizontal

circle.

Use the plumb bob provided and set up the instrument directly above the surveying point.

Sight the objective and use the horizontal tangent screw to bring crosshairs precisely on line

with tangent objective. Using the index line of horizontal circle, take the angle reading. The

vernier can be used for reading the circle in increments finer than single degrees. With the

DW092 Transit Level, the vertical index pointer (I) is used to read your vertical angles.

PLEASE READ BELOW BEFORE USING YOUR NEW INSTRUMENT

Although this instrument has gone through various checks and adjustments at the

factory, instruments may come out of calibration during shipping. Because of this, we

recommend that you have this instrument checked for calibration by a qualified

instrument technician or follow the procedure described below.

Field Calibration Check (Fig. 8, 9)

1. Place two rods facing each other at points A and B at a distance of 50 - 80m apart (Fig.

8). Set up your instrument about halfway between A and B. If you are using a transit level,

be sure that the lock lever is engaged.

2. Sight the rods and take readings on point A as A and on point B as B.

3. Set the instrument at point D which is about 2m from point A (Fig. 9).

4. Sight the rods at point A, take reading as AA. Then, sight the rod at point B, take reading

as BB.

5. Use the following equation to calculate:

BB’ = AA – (A – B)

The instrument is in its perfect condition if BB’ = BB, otherwise, it needs adjustment.

INSTRUCTION MANUAL

GUIDE D'UTILISATION

MANUAL DE INSTRUCCIONES

DW090 Builder’s Level

DW092 Transit Level

Niveau de chantier DW090

Niveau théodolite DW092

DW090 Nivel para constructor

DW092 Nivel de tránsito

INSTRUCTIVO DE OPERACIÓN, CENTROS DE SERVICIO Y PÓLIZA

DE GARANTÍA. LÉASE ESTE INSTRUCTIVOADVERTENCIA:

ANTES DE USAR EL PRODUCTO.

DEWALT Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286

Questions? See us in the World Wide Web at www.dewalt.com

The following are trademarks for one or more D power tools: the yellow and blackEWALT

color scheme; the “D” shaped air intake grill; the array of pyramids on the handgrip; the kit

box configuration; and the array of lozenge-shaped humps on the surface of the tool.

FIG. 1

FIG. 2 AB

FIG. 3

BUILDER’S LEVEL DW090 (FIG. 1)

A. Rubber Eyepiece Cap

B. Focusing Knob

C. Telescope Level Vial

D. Horizontal Circle

E. Leveling Screws

F. Horizontal Tangent Drive

G. Base Plate

TRANSIT LEVEL DW092 (FIG. 2, 3)

A. Rubber Eyepiece Cap

B. Focusing Knob

C. Telescope Level Vial

D. Horizontal Circle

E. Leveling Screws

F. Horizontal Tangent Drive

G. Base Plate

H. Vertical Arc

I. Vertical Index Pointer

J. Vertical Tangent Screw

K. Lock Lever

FIG. 4

DW090

DW092

To ensure the accuracy of your instrument, check to make sure it is calibrated often. See the

Field Calibration Check section of this manual.

ASSEMBLY

DEWALT Builder’s and Transit Levels are fully assembled at the factory. No further assembly

is necessary. See the following instructions regarding the tripod.

Produkt Specifikationer

Mærke:	DeWalt
Kategori:	Ikke kategoriseret
Model:	DW092

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