Check alternator and multifunction regulator

AR15.40-W-0010H

Check alternator and multifunction regulator

17.01.2019

Engine

470.9, 471.9, 473.9, 936.9 in model 963, 964

with code E1M (Alternator, 28 V/150 A)

Engine

470.9, 471.9, 473.9, 936.9 in model 963, 964

with code E1N (Alternator 28 V/100 A)

Engine

934.9, 936.9 in model 967

with code E1N (Alternator 28 V/100 A)

Engine

936.9 in model 956

with code E1M (Alternator, 28 V/150 A)

Engine

936.9 in model 956

with code E1N (Alternator 28 V/100 A)

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

 Warning

Risk of injury caused by body parts being pinched or crushed as cab is tilted

Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure it with the safety strut.

AS60.80-Z-0001-01A

Topical note

Notes on tilting the cab

AH60.80-N-0003-01A



Check

1

Switch off ignition

2

Tilt cab

3

Remove soundproofing

4

Check electric lines on the battery (G1), alternator (G2), and starter (M1) for tight seating and condition

5

Check poly-V belt tension

6

Check poly-V belt for wear



Engine 936.9 (except 936.974)

AP13.22-W-1351H



Engine 936.974

AP13.22-W-1351N

7

Connect test cable to alternator (G2)

AR15.40-W-0010-01H

 Test cable

*950589116300

8

Tilt back cab

9

Check function of the alternator (G2)

AR15.40-W-0010-02H

Controller voltage (without load)

*BE15.40-N-1001-01C

Controller voltage (with load)

*BE15.40-N-1002-01C

 Test cable

*950589116300

10

Check function of multifunction regulator

AR15.40-W-0001-03H

Voltage at circuit 15

*BE15.40-N-1003-01C

Voltage at connection L

*BE15.40-N-1004-01C

Voltage at connection S

*BE15.40-N-1005-01C

 Test cable

*950589116300

11

Tilt cab

12

Remove test cable from alternator (G2) and connect electrical connector to alternator (G2)

13

Install soundproofing

14

Tilt back cab

Check values for alternator

Number

Designation

Engine 470.9, 471.9, 473.9

Engine 934.9, 936.9

BE15.40-N-1001-01C

Controller voltage (without load)

-

V

28,0...28,6

28,0...28,6

Engine speed

1/min

1500

1500

Electrical consumer

-

aus

aus

Check values for alternator

Number

Designation

Engine 470.9, 471.9, 473.9

Engine 934.9, 936.9

BE15.40-N-1002-01C

Controller voltage (with load)

-

V

25,8

25,8

Engine speed

1/min

1500

1500

Electrical consumer

-

ein

ein

Check values for alternator

Number

Designation

Engine 470.9, 471.9, 473.9

Engine 934.9, 936.9

BE15.40-N-1003-01C

Voltage at circuit 15

Ignition off

V

5

5

Ignition ON

-

Batteriespannung

Batteriespannung

Check values for alternator

Number

Designation

Engine 470.9, 471.9, 473.9

Engine 934.9, 936.9

BE15.40-N-1004-01C

Voltage at connection L

Ignition off

V

0,1

0,1

Ignition ON

V

1,5

1,5

Engine started

Batteriespannung

Batteriespannung

Check values for alternator

Number

Designation

Engine 470.9, 471.9, 473.9

Engine 934.9, 936.9

BE15.40-N-1005-01C

Voltage at connection S

-

V

0,5

0,5

Engine speed

1/min

>1500

>1500