Disassembling and assembling pedal assembly

AR29.10-W-0350B

15.6.09

MODEL 374.5 /6, 375.1, 958.0, 970, 972, 974, 975, 976

MODEL 375.3 /4, 940, 942, 943, 944, 950.5 /6, 952.5 /6, 953.6, 954.5, 958.2 /4

Disassembling and assembling pedal assembly

W29.10-1029-12

Shown: pedal assembly for vehicles with code (BB1) Brake control (BS), without code (ZX2) EPB II and without code (GE1) Automatic gear control (AGS)

1 Bracket

2 Nuts

3 Return spring

4 Brake pedal

B44 Brake value sensor

W29.10-1030-11

Shown: pedal assembly for vehicles with code (BB1) Brake control (BS), without code (ZX2) EPB II and without code (GE1) Automatic gear control (AGS)

4 Brake pedal

5 Bearing bolt

6 Clutch pedal

7 Piston rod

Modification notes

30.3.06

Work procedure completely revised.

 	Remove/install
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
1	Remove pedal assembly	 Detach electrical switches on pedal assembly if necessary.
		Model 375.1 with body 375.830, Model 958.0 with body 958.860 without code (XV0) Global Cockpit, Model 970, 972, 974, 975, 976 with body 972.899	AR29.10-W-0300B
		Model 375.1 with body 375.850, Model 958.0 with body 958.860 with code (XV0) Global cockpit, Model 970, 972, 974, 975, 976 with body 972.890 without code (ZX2) EPB II	AR29.10-W-0300BA
		Model 970, 972, 974, 975, 976 with body 972.890 with code (ZX2) EPB II	AR29.10-W-0300BB
		Model 374.5/6, 375.3, 958.2/4, Model 375.4, 940, 942, 943, 944, 950.5/6, 952.5/6, 953.6, 954.5 without code (ZX2) EPB II	AR29.10-W-0300F
		Model 375.4, 940, 942, 943, 944, 950.5/6, 952.5/6, 953.6, 954.5 with code (ZX2) EPB II	AR29.10-W-0300FA
2	Unhook return spring (3) from brake pedal (4)	 Pull brake pedal (4) all the way to the top to relieve pressure on return spring (3).
3	Detach piston rod (7) from brake pedal (4)	Installation: Replace cotter pin. Grease bearings.	*BR00.45-Z-1001-06A
4	Remove bearing pin (5)	 Installation: Install new retainer. Grease all bearing points.	*BR00.45-Z-1001-06A
5	Remove clutch pedal (6)	 Only on vehicles without code (GE1) Automatic gear control (AGS) and without code (GE3) Mercedes PowerShift.
		 Installation: Grease all bearing points.	*BR00.45-Z-1001-06A
6	Remove brake pedal (4)	 Installation: Grease all bearing points.	*BR00.45-Z-1001-06A
7.1	Remove service brake valve with bracket (1)	Vehicles without code (BB1) Brake control (BS) and without code (BB8) Brake control (BS) with ASR
			*BA42.60-N-1001-03A
7.2	Remove brake value sensor (B44) with bracket (1)	Vehicles with code (BB1) Brake control (BS) or with code (BB8) Brake control (BS) with ASR and without code (ZX2) EPB II
			*BA42.60-N-1001-03A
7.3	Remove Central Brake Unit (CBU) (A110)	Vehicles with code (BB1) Brake control (BS) or with code (BB8) Brake control (BS) with ASR and without code (ZX2) EPB II
			*BA42.60-N-1003-03A
8	Remove bearing bushings from brake pedal (4) using a suitable drift	 Installation: Grease all bearing points.	*BR00.45-Z-1001-06A
9	Install in the reverse order

 Service brake valve / brake value sensor

Number	Designation		Model 375.3/4, 950, 952, 953, 954, 957	Model 375.1, 970, 972, 974, 975, 976	Model 958.0/2/4	Model 374


BA42.60-N-1001-03A	Nut, service brake valve/brake value sensor to pedal bracket	Nm	22	22	22	22
BA42.60-N-1003-03A	Central Brake Unit (CBU) to pedal bracket	Nm	22	22	22	22

 Service brake valve / brake value sensor

Number	Designation		Model 940, 942, 943, 944


BA42.60-N-1001-03A	Nut, service brake valve/brake value sensor to pedal bracket	Nm	22
BA42.60-N-1003-03A	Central Brake Unit (CBU) to pedal bracket	Nm	22

Repair materials

Number	Designation	Order number
BR00.45-Z-1001-06A	Long-life grease	A 000 989 63 51 11

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