Disassemble, assemble alternator

AR15.40-W-5033D

12.9.11

ENGINES 457.9 in MODEL 374, 375, 940, 942, 943, 944, 958

W15.40-1064-09

Shown with engine end no. 078157

1 Alternator cover

2 Governor

3 Bolt

4 Alternator housing

5 Fitting ring

11 Drive bearing

12 Drive bearing-retainer plate

13 Rotor

14 Centrifugal separator

15 Slip ring bearing

6 Bolt

7 Belt pulley

8 Nut

9 Drive bearing housing

10 Spacer washer

Modification notes

31.8.11

Information on self-locking bolts and nuts, added.

AH00.00-N-0001-01A

 	Disassemble/assemble
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
1	Remove alternator		AR15.40-W-5032D
2	Take off belt pulley (7)	 Remove rotor shaft with socket wrench and unscrew nut (8)
			*BA15.40-N-1001-01M
3	Mark drive bearing housing (9) to alternator housing (4)	 Installation: Align markings congruently to one another
4	Detach alternator cover (1) at alternator housing (4)		*BA15.40-N-1007-01M
			*BA15.40-N-1011-01M
5	Detach governor (2) at alternator housing (4)		*BA15.40-N-1008-01M
6	Detach drive bearing housing (9) from alternator housing (4)		*BA15.40-N-1006-01M
7	Pull drive bearing housing (9) with the rotor (13) out of the alternator housing (4)	 To do so, loosen drive bearing housing (9) with light blows of a rubber hammer from the alternator housing (4).
8	Detach drive bearing housing (9) from the drive bearing-retainer plate (12) by unscrewing the bolts (6)		*BA15.40-N-1009-01M
9	Remove rotor (13) with the drive bearing (11) and slip ring bearing (15) out of the drive bearing housing (9)	 To do so, slacken the rotor (13) with light blows of a rubber hammer from the alternator housing (9).
10	Check diameter of slip rings on the rotor shaft	 If the slip rings are below the minimum value:  Replace alternator.	*BE15.40-N-1002-02D
11	Check carbon brushes on control (2)	 If the carbon brushes are below the minimum value:  Replace regulator	AR15.40-W-5033-02A
			*BE15.40-N-1001-02D
12	Remove fitting ring (5)	 Installation: Ensure correct seating of the fitted ring (5).
13	Detach drive bearing (11) and slip ring bearing (15) from rotor (13)	 Installation: Replace centrifugal separator (14).	AR15.40-W-5033-01A
			*000589883300
			*126589003400
14	Assemble in the reverse order

Check values for regulator

Number	Designation		Engine 457.9


BE15.40-N-1001-02D	Length of carbon brushes	mm	5.0
BE15.40-N-1002-02D	Diameter of slip ring	mm	14,4

 Alternator

Number	Designation			Engine 457.9


BA15.40-N-1001-01M	Nut, belt pulley to alternator	M161.5	Nm	90
BA15.40-N-1006-01M	Bolt, drive bearing housing to alternator housing		Nm	5
BA15.40-N-1007-01M	Bolt, cover to alternator housing		Nm	4
BA15.40-N-1008-01M	Bolt, regulator to alternator housing	M413	Nm	2
		M419	Nm	3
BA15.40-N-1009-01M	Drive bearing housing on drive bearing retainer plate		Nm	2
BA15.40-N-1011-01M	Nut, cover to terminal B1+ and B2+ for alternator		Nm	15

126 589 00 34 00

Puller arms

Two-armed puller

000 589 88 33 00

เอกสารที่อ้างถึง