Doosan DL250-3 Excavator Electric Gear-shift Control Removal Guide

This instruction show you guide on how to remove electric gear-shift control for Doosan DL250-3 excavator.

 

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Procedures:

1Remove torx screws (2, Figure 8) and separate gear-shift control housing from intermediate plate.
(S) Socket wrench TX-27 5873 042 002
(S) Adjusting screws M6 5870 204 063

1

2Remove gear-shift control assembly (1, Figure 9) and sealing plate (2, Figure 9).
(S) Adjusting screws M6 5870 204 063

2

3Remove gear-shift control assembly (1, Figure 10) and sealing plate (2, Figure 10).
(S) Adjusting screws M6 5870 204 063

3

4

4Remove hexagon nuts and torx screws and separate duct plate (1, Figure 11) and seal (2, Figure 11) from housing rear part.

5

5Pull converter safety valve (1, Figure 12) out of housing hole.

6

6Mark installation position of wiring harness (1, Figure 13) towards valve block (2, Figure 13).

7

7Remove torx screws (1, Figure 14).(S) Socket wrench TX-27 5873 042 002

8

8Separate duct plate (1, Figure 15) and sealing plate (2,Figure 15) from valve block (3, Figure 15).

9

9Remove retaining clamp (1, Figure 16).

10

10Remove torx screws (1, Figure 17) and remove cover (2,Figure 17). Remove opposite cover (3, Figure 17) in the same way.
(S) Socket wrench TX-27 5873 042 002

11

11Remove wiring harness (1, Figure 18).Remove cylindrical screws (3, Figure 18), remove attaching plates and remove pressure controllers (2,Figure 18).

12

12Remove cylindrical screws, remove attaching plates and remove pressure controllers (1, Figure 19) on opposite side.

13

13Loosen two torx screws (1, Figure 20) and preliminarily attach housing by adjusting screws (S). (Housing is spring-loaded) Then remove remaining torx screws.(S) Adjusting screws 5870 204 036

14

14Separate housing from valve housing by loosening the adjusting screws equally.
(S) Adjusting screws 5870 204 036

15

15Remove individual parts:

16

16Remove individual parts of opposite side analogously:

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More topics for Doosan,please refer to:Doosan Trouble Repair

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