Automatic load-dependent brake - check play and adjustment · ap4280w4263b · Mercedes-Benz WIS

AP42.80-W-4263B

Automatic load-dependent brake - check play and adjustment

5.4.11

MODEL 374.5 with CODE (ID1) Leaf suspension

MODEL 374.6
with CODE (ID1) Leaf suspension
except CODE (BB8) Brake control (BS) with ASR

MODEL 940.16 /36, 942, 943, 944.0 /1 except CODE (BB8) Brake control (BS) with ASR

MODEL 950, 952, 953, 954 (except 950.03 /04 /2, 952.2, 954.03 /04 /2)
with CODE (ID1) Leaf suspension
except CODE (BB8) Brake control (BS) with ASR

MODEL 970, 972, 975, 976 (except 970.2) with CODE (ID1) Leaf suspension

MODEL 375.1 (except 375.151) with CODE (ID1) Leaf suspension

MODEL 375.3 with CODE (ID1) Leaf suspension

	Checking
1	Check linkage and lever of brake force regulator for ease of movement as well as free play in the ball joints
2	Compare the number of the brake valve, the rear springs as well as the length of the control lever with the specifications on the plate of the automatic load-dependent brake pressure control (ALB plate) in the vehicle
3	Determine the rear axle load with floor scales or test balance	 Only determine the rear axle load on the unladen, ready-to-drive vehicle. On semitrailer trucks without semitrailer, but with fifth wheel coupling, determine the rear axle load.
	Determine rear axle load	Except vehicles with wheel configuration 62, 82  Determine rear axle load using a test scale.	AR42.80-W-0060A
		For vehicles with wheel configuration 62, 82  Determine rear axle load using a test scale.	AR42.80-W-0060B
4	Connect test kit	 Test kit	*360589002100
	Connect test kit	Model 374, 375, 940, 942, 943, 944, 950, 952, 953, 954	AR42.80-W-0050-01B
		Model 375.1, 970, 972, 975, 976 with code (B02) Brake system, anti-lock braking system (ABS)	AR42.80-W-0050-01D
5	Increase pressure of compressed-air system to operating pressure	 Operating pressure min. 9 bar.
	Fill compressed-air reservoir with air from external source	Model 374, 375.3, 940, 942, 943, 944, 950, 952, 953, 954	AR42.60-W-0070A
		Model 375.1, 970, 972, 975, 976	AR42.60-W-0070B
6	Check zero-load adjustment	 Test kit	*360589002100
	Zero-load test		AR42.80-W-0050-02B
7	Check half-load setting	 Test kit	*360589002100
	Half-load test		AR42.80-W-0050-03B
8	Check full-load setting	 Test kit	*360589002100
	Full-load test		AR42.80-W-0050-04B
9	Compare values determined with the values on the ALB plate	Model 374, 375, 940, 942, 943, 944, 950, 952, 953, 954, 970, 972, 975, 976
		 If the values specified on the ALB plate are not achieved: 
		Adjust automatic load-dependent brake - subject to separate repair order.
		Model 374, 375.3, 940, 942, 943, 944, 950, 952, 953, 954	AR42.80-W-0050B
		Model 375.1 (except 375.151), 970, 972, 975, 976 with code (B02) Brake system, antilock brake system (ABS)	AR42.80-W-0050D

Automatic load-dependent brake - check play and adjustment

360 589 00 21 00

Test kit

Automatic load-dependent brake - check play and adjustment

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