Checking and adjusting axle load-dependent brake (ALB)

เอกสารที่อ้างถึง

AR42.80-D-1600A

23.11.09

MODEL 901, 902, 903 except CODE (J61) Hydraulic brake test connection

MODEL 901, 902, 903, 904, 905
except CODE (J61) Hydraulic brake test connection
with CODE (BB0) Antilock brake system (ABS)

MODEL 690.611 /63 /64

MODEL 690.6 with CODE (BB0) Antilock brake system (ABS)

Checking and adjusting axle load-dependent brake (ALB)

D42.80-0008-05

Shown on model 901-903

1 Right rear brake caliper bleed screw

2 Left front brake caliper bleed screw

3 Left rear brake caliper bleed screw

4 Right front brake caliper bleed screw

5 (Twin) ALB controller

Modification notes

30.1.01	Use of Matra clamp for pinching off brake hoses deleted. Risk of damage!		AR42.10-D-0015-01A
30.1.01	Use of Matra clamp for pinching off brake hoses deleted. Risk of damage!		AR42.10-D-0015-01B
30.1.01	Use of Matra clamp for pinching off brake hoses deleted. Risk of damage!		AR42.10-D-0015-01C
30.1.01	Use of Matra clamp for pinching off brake hoses deleted. Risk of damage!	Operation step 5 removed

	Checking
Danger!	Risk of poisoning caused by swallowing brake fluid. Risk of injury caused by brake fluid coming into contact with skin and eyes.	Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.	AS42.50-Z-0001-01A
	Brake fluid notes	All models	AH42.50-P-0001-01A
	Notes on repairs to brake system	All models	AH42.00-P-0003-01A
		It is not possible to repair twin controllers. Always replace controller if not functioning correctly or if defective.
	Notes on adjusting axle load-dependent brake		AH42.80-N-0001-01A
1	Check actuation of axle load-dependent brake	If necessary, replace bearing bushings
		Model 901, 902, 903, 904, 690.6	AR42.80-D-1603-02A
		Model 905	AR42.80-D-1603-02B
			*BE42.80-N-1002-01A
		Long-term grease	*BR00.45-Z-1001-06A
2	Check actuating lever of twin ALB controller		AR42.80-D-1603-04A
3.1	Connect pressure tester to brake caliper at left front and right	 Model 901-903, 690.611/63/64 wheels installed	AR42.10-D-0015-01A
		 Model 904, 905, 690.612/613 wheels installed	AR42.10-D-0015-01C
		Pressure tester
		Test connection for brake pressure test	WF58.50-N-4210-03A
			*BA42.10-N-1002-10A
			*BA42.10-N-1003-12A
3.2	Connect pressure tester to brake caliper at left front and right	 During repair work with wheels removed	AR42.10-D-0015-01B
		Pressure tester
			*BA42.10-N-1002-10A
			*BA42.10-N-1003-12A
4	Check ALB controller brake pressure for left rear brake		AR42.80-D-1600-01A
			*000589183100
		Inlet pressure	*BE42.80-N-1001-01A
5	Disconnect pressure tester at left rear brake caliper
6	Install bleed screws		*BA42.10-N-1003-12A
7.1	Connect pressure tester at right rear brake caliper	 Model 901-903, 690.611/63/64 wheels installed	AR42.10-D-0015-01A
		 Model 904, 905, 690.612/613 wheels installed	AR42.10-D-0015-01C
		Pressure tester
		Test connection for brake pressure test	WF58.50-N-4210-03A
			*BA42.10-N-1002-10A
			*BA42.10-N-1003-12A
7.2	Connect pressure tester at right rear brake caliper	 During repair work with wheels removed	AR42.10-D-0015-01B
		Pressure tester
			*BA42.10-N-1002-10A
			*BA42.10-N-1003-12A
8	Check ALB controller brake pressure for right rear brake		AR42.80-D-1600-01A
			*000589183100
		Inlet pressure	*BE42.80-N-1001-01A
9	Compare outlet value for right rear brake with outlet value for left rear brake.	 If variation of outlet pressure between left and right is greater than the permitted tolerance 	*BE42.80-N-1001-01A
		Replace twin ALB controller
10	Adjust ALB controller		AR42.80-D-1603-01A
			*385589052100
11	Disconnect pressure tester at front and rear axle
12	Bleed brake system	 After testing, only bleed brake calipers to which the pressure tester was connected.	AR42.10-D-0010A
13	Check fluid level in reservoir and correct if necessary
			AP42.50-D-4210A
14	Check brake system for leaks

Test and adjustment values for ALB controller

Number	Designation			Model 690.611/63/64, 901, 902, 903	Models 690.612/613, 904, 905 with code BB0


BE42.80-N-1001-01A	ALB controller pressure test	Inlet pressure	bar	100	100
		Maximum variation of outlet pressure between left and right	bar	6	6
BE42.80-N-1002-01A	ALB controller linkage	Maximum deflection play of actuator rod	mm	15	15
		See picture		AR42.80-D-1603-03A	AR42.80-D-1603-03A

Test and adjustment values for ALB controller

Number	Designation			Model 690.612/613 904, 905 except code BB0


BE42.80-N-1001-01A	ALB controller pressure test	Inlet pressure	bar	100
		Maximum variation of outlet pressure between left and right	bar	-
BE42.80-N-1002-01A	ALB controller linkage	Maximum deflection play of actuator rod	mm	15
		See picture		AR42.80-D-1603-03A

 Front axle brake caliper

Number	Designation			Model 690.6	Models 901, 902, 903	Model 904


BA42.10-N-1002-10A	Bleed screw to brake caliper	M101	Nm	16	16	16

 Rear axle brake caliper

 Rear axle brake caliper

000 589 40 37 00

000 589 18 31 00

385 589 05 21 00

Clamping device

Test balance

Brake pedal jack

Repair materials

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

Designation

Model
690.6

Model
901, 902

BA42.10-N-1003-12A

Bleed screw to brake caliper