SERVICE MANUAL81014

CO

NS

TRU

CTE

UR

// M

EC

ALA

C S

AS

// M

R_7

14M

We_

5400

796_

M2_

GB

// 1

8/03

/201

3

Ref. 5400796 M2 // 2013

All rights of reproduction reserved in all countries. Any reproduction, even partial, of this publication is unlawful and constitutes an infringement.Non-contractual photographs. Mecalac reserves the right to modify the technical specifications without prior notice.

- DOCUMENTATION

SUPPORT CLIENTS

Ref. 5400796 M2

18/03/2013

3

Non

-con

tract

ual p

hoto

grap

hs.

5400796 / M2714MWe 81014

GENERALITIES

01. Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

02. Description of the machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

03. Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

04. Table of stability loads in kg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

05. Table of recommended lubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

06. Inspection and maintenance table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

07. Tooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

ELECTRIC SYSTEM

08. Parts list of the electric diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

09. Control panel descriptive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

10. Location of the electric components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 10.1 Circuit marking 10.2 Relay board (behind the operator’s seat) 10.3 The Solenoid valves (electrovalve)

11. Location harness connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48 11.1 Connectors: relay board U10 11.2 Connectors: computer U01/BCHC and U02/BCHT 11.3 Connectors: U03/Panel control 11.4 Connectors: U04/BCP 11.5 Connectors U06/Motor computer EMR3

12. CAN network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

13. Air conditioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

14. Layout of electrical harnesses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57 14.1 - Chassis harness 14.2 - Electrovalves harness 14.3 - Driver’s station harness 14.4 - Motor harness 14.5 - Main harness 14.6 - Seat harness 14.7 - Clamshell rotation harness 14.8 - Heater/air conditioner block harness 14.9 - Turret harness 14.10 - Cab harness 14.11 - Blade harness 14.12 - Rear stabilizer harness 14.13 - Radio remote control harness 14.14 - Collector harness 14.15 - Foot step harness

Contents

Non

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tract

ual p

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grap

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4

5400796 / M2714MWe 81014

HYDRAULIC SYSTEM

15. Location of the hydraulic components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82

16. Parts list of the hydraulic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86

17. Connection of hydraulic components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88 17.1 Travel / slewing 17.2 Braking 17.3 Steering (4 wheel steering) 17.4 Steering (2 wheel steering) 17.5 Upperstructure / fan return and supply and Load Sensing 17.6 Main block 17.7 Attachment without check valve 17.8 Attachment with check valve 17.9 Tool carrier 17.10 Volvo tool carrier 17.11 Rotation Clamshell and Offset cylinder 17.12 Foot step 17.13 Accessories 17.14 Front dozer blade, Rear stabilisers

18. Adjustment procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106 18.1 Checking engine rpm 18.2 Adjustment procedure for the fan 18.3 Adjustment of pilot pressure 18.4 Equipment pump max. pressure adjustment 18.5 Installing the flowmeter for adjustment of Delta P / DP (LS regulation) or the power regulation 17.5.1 Adjustment of Delta P (with flowmeter) 17.5.2 Adjustment of Delta P (with relief valve and without flow meter, auxiliary lines plugged) 18.6 Checking the power regulation 18.7 Adjustment of choke valve auxiliary function 18.8 Torque control limiter adjustment 18.9 Adjusting the point at which the safety valves start to open (option) 18.10 Hydraulic adjustment procedure for the transmission 18.10.1 Adjustment of the HP. Commutation of transmission motor 18.10.2 Adjust the Snail speed 18.10.3 Adjusting the travel motor minimum displacement 18.10.4 Check of Turtle speed 18.11 Adjustment of the maximum steering pressure, only for 2 wheels steering (for 4WS)

19. Inspection sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128

SUPPLEMEnT

- Diagnostic trouble codes - EMR3

- Summary of the Mecadiag Pocket softwares

- TECHNICAL MANUALS

- Synthesis from the functions