DeWalt DW079LR T2 Series Bedienungsanleitung

-1 -

DW079LG T2 & DCE079G T2

Series Service Manual

( V1.0/2023)

DW079LR T2 & DCE079R T2

-2 -

Main part diagram

Top Cover

Mid Secon

Base

Ridge Prism

Housing

Baery

Keypanel

Tripod

Aachment

-3 -

Maintenance step

2. Remove 4 screws and 3 self-tapping screws to take off top cover.

1. Remove 4 screws to take off Glass Cover Frame

Glass Cover

Frame

4 x Screws

Top cover

4 x Screws

3 x Self-tapping

Screws

3. Remove 4 screws and 3 self-tapping screws to take off Mid Section..

4 x Screws

3 x Self-tapping

Screws

-5 -

4. Below is a list of the main parts. Replace or repair these parts

according to the troubleshooting section.

Counter

Photo-Eye PCBA

Alarm Spring

Stepping motor

A&B

Compensaon

glass

Upper motor

Main PCBA

Supporng

Frame

Four M2.5

screws

Main PCBA

907250

907250 NRL-MB-005_A11 DCE079R T2

DCE079G T2

907252 NRL-MB-005_A13

DW079LR T2

DW079LG T2

907251 NRL-MB-005_A12

907253 NRL-MB-005_A14

Support body

with Laser

Support body

with Laser

-6 -

Baery pack

Membrane

Switch

-7 -

９０６１３８ＭＰＰ２－ｋｅｙｐａｄ－００２

ＭｅｍｂｒａｎｅＳｗｉｔｃｈ

（ＤＷ０７９ＬＧ＆ＤＣＥ０７９Ｇ）

９０６１３７ＭＰＰ２－ｋｅｙｐａｄ－００１

ＭｅｍｂｒａｎｅＳｗｉｔｃｈ

（ＤＷ０７９ＬＲ＆ＤＣＥ０７９Ｒ）

traPniaMgnitoohselbuorTtcefeD

Horizontal application

defective

Check x-axis and y-axis bubble circuit

board connection cable ,or replace the

Membrane Switch

Calibration can't saved

Replace the storage IC

Main PCBA

Calibration limit beyond

precision scope Adjust the compensation glass /

Weak beam Replace the laser

Uneveling Replace stepping motor 904290 NRL800HT-01-02_04

Stepper Motor

Light is out of working Replace the Membrane Switch

Unit won't receive

remote control signal. Check receiver connection cable /

Vertical application

defective

Check z-axis bubble circuit board

connection cable ,or replace the

Membrane Switch

Rotation head loose from

frame. /wercsehtnetsaF

Battery indicator lights

flash

Battery voltage is low, need to

recharge /

No alarm Replace Main PCBA

Scan function defective Replace

Slope out of tolerance

Loosen the four M2.5 screws on the Main

PCBA. Move the Main PCBA

left or right to correct the slope.

Tighten the screws.

Unable to enter the

calibration mode Replace main PCBA

Button doesn't work Data cable looses ,reinstall the data

cable

Main PCBA

９０６４８４ＤＷ０８０ＬＧＳ－０１－０１＿８８

ＭａｉｎＬａｓｅｒＭｏｄｕｌｅ（ＤＷ０７９ＬＧ）

９０６４８２ＭＰＰ－０１－０１＿８８

ＭａｉｎＬａｓｅｒＭｏｄｕｌｅ（ＤＷ０７９ＬＲ）

９０６４８５ＤＷ０７９ＬＧ－００－００＿８８

ＭａｉｎＬａｓｅｒＭｏｄｕｌｅ（ＤＣＥ０７９Ｇ）

９０６４８２ＭＰＰ－０１－０１＿８８

ＭａｉｎＬａｓｅｒＭｏｄｕｌｅ（ＤＣＥ０７９Ｒ）

９０６１３８ＭＰＰ２－ｋｅｙｐａｄ－００２

ＭｅｍｂｒａｎｅＳｗｉｔｃｈ（ＧＲＥＥＮ）

９０６１３７ＭＰＰ２－ｋｅｙｐａｄ－００１

ＭｅｍｂｒａｎｅＳｗｉｔｃｈ（ＲＥＤ）

９０６１３８ＭＰＰ２－ｋｅｙｐａｄ－００２

ＭｅｍｂｒａｎｅＳｗｉｔｃｈ（ＧＲＥＥＮ）

９０６１３７ＭＰＰ２－ｋｅｙｐａｄ－００１

ＭｅｍｂｒａｎｅＳｗｉｔｃｈ（ＲＥＤ）

９０５２４３ＮＲＬ－ＥＣＶ－００１＿Ａ２０

ＣｏｕｎｔｅｒＰｈｏｔｏ－ＥｙｅＰＣＢＡ

-8 -

5. Calibrate the repaired instrument.

1) Turn power on and let the instrument find its level , after the

instrument is level (need about 1 minute), switch it off;

2) Press and hold Slope button then press Power button

All the indicators will light up , indicating instrument is in calibration

mode;

to select X and Y axis.

select X direction adjustment, the X indicator will light up;

4) Press scan mode button to select dot mode; press

four times you can see the laser beam;

5) Adjust the beam to X mark and target by turn

(0 degree);

6) Adjust the beam to reference line by pressing or .

7) Rotate instrument 180 degrees with X facing the same target.

Calibrate X - axis

Calibrate Y - axis

Prism Cover

3)Press and hold RPM button or press

-9 -

8) Adjust the beam to reference line by pressing or

9) After adjustment is complete , press and hold slop button

to save the setting. All the indicators will light up & Buzzer sounds

indicating calibration is completed and setting are saved .

10) After saving the changes, restart the unit, check the X –axis for

accuracy; you should calibrate your instrume

nt again if accuracy is

over spec.

11) Use the same way tocalibrate Y-axis.

12) Place the instrument on the vertical application to calibrate Z-axis ,

repeat step 1 and step 2, the X&Y indicators will light up , adjust the

beam to reference line by pressing or , then repeat step 9

to save the calibration.

calibration saved

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