Remove and install electromagnetic clutch at A/C compressor

AR83.55-W-7682A

Remove and install electromagnetic clutch at A/C compressor

9.12.10

6.12.10

Puller special tool added.

Operation steps 2, 13, 14,

*000589000500



Removing

1

Remove A/C compressor (10)

Model 375.4 with body 375.860 with code (H03) Air conditioning in front end,
model 940, 942, 943, 944 with body 944.890 with code (H03) Air conditioning in front end

AR83.55-W-5300E

Model 957 with body 957.810 with code (H03) Air conditioning in front end

AR83.55-W-5300A

Model 374.6, 375.1/3, 950, 952, 953, 954, 958, 970, 972, 974, 975, 976,
model 375.4 with body 375.840,
model 944 with body 944.899.
 No instructions were created for these vehicles.

2

Remove pressure plate (1)

 Counterhold pressure plate (1) with puller (20). If the pressure plate (1) is stuck in place, use the shop-made bolt to detach the pressure plate (1).

 Pronged wrench

*000589000500



Screw/bolt for removing pressure plate

WF58.50-N-8355-02A

3

Remove retaining ring (3) of belt pulley (4) at A/C compressor shaft (7)

4

Remove belt pulley (4)

5

Remove bracket (9) at refrigerant compressor (10)

6

Remove retaining ring (5) of solenoid (6) at refrigerant compressor shaft (7)

7

Remove solenoid (6)



Install

8

Install solenoid (6)

 The contact surfaces of the solenoid (6) and of the refrigerant compressor shaft (7) must be free of grease and dust.

The locking pin (11) at the solenoid (6) must engage in the cutout (12) at the refrigerant compressor (10) (arrows).

9

Fit circlip (5) of solenoid (6)

 Use new retaining ring (5).

The flat side (arrow) of the retaining ring (5) must point toward the refrigerant compressor (10).

The circlip (5) must latch completely into place to prevent any play on the solenoid (6).

10

Fasten both electrical lines (8) with bracket (9) at refrigerant compressor (10)

11

Install belt pulley (4)

12

Fit circlip (3) of belt pulley (4)

 Use new retaining ring (3).

The flat side (arrow) of the retaining ring (3) must point toward the refrigerant compressor (10).

13

Install pressure plate (1).

 Counterhold pressure plate (1) with puller (20).



*BA83.55-N-1004-01C

 Pronged wrench

*000589000500

14

Check axial play of pressure plate (1)

 Only when replacing the electromagnetic clutch.

AR83.55-W-7682-01A

*BE83.55-N-1001-01B



*BA83.55-N-1004-01C

 Dial indicator

*001589532100

 Gage stand

*363589022100

 Pronged wrench

*000589000500



Adapter cable for electromagnetic clutch at compressor

WF58.50-N-4781-01A



Screw/bolt for removing pressure plate

WF58.50-N-8355-02A

15

Install A/C compressor (10)

Model 375.4 with body 375.860 with code (H03) Air conditioning in front end,
model 940, 942, 943, 944 with body 944.890 with code (H03) Air conditioning in front end

AR83.55-W-5300E

Model 957 with body 957.810 with code (H03) Air conditioning in front end

AR83.55-W-5300A

Model 374.6, 375.1/3, 950, 952, 953, 954, 970, 972, 974, 975, 976, 958,
model 375.4 with body 375.840,
model 944 with body 944.899.
 No instructions were created for these vehicles.

Number

Designation

Model
374, 375, 940, 942, 943, 944, 949, 950, 952, 953, 954, 957, 958, 970, 972, 974, 975, 976, 930, 932, 933, 934

BE83.55-N-1001-01B

Axial play of pressure plate

mm

0.5 (0.15)

Number

Designation

Model
374.6, 375.4, 940, 942, 943, 944, 958.4

Model
374.5, 375.1, 375.3, 949, 950.5, 950.6, 952.5, 952.6, 953.6, 954.5, 957, 958.0, 958.2, 970, 972, 974, 975, 976

BA83.55-N-1004-01C

Screw/bolt, pressure plate to compressor shaft

Nm

20

20

Number

Designation

Model
930, 932, 933, 934, 950.0, 950.1, 950.2, 950.3, 952.0, 952.1, 952.2, 952.3, 953.1, 953.3, 954.0, 954.1, 954.2

BA83.55-N-1004-01C

Screw/bolt, pressure plate to compressor shaft

Nm

20