Checking pneumatic headlamp range adjustment - AR82.10-P-4011A: Notes

MODEL 129 

Fig 1: Identifying Cutoff Position 0 And 3

	Checking
	Checking pneumatic headlamp range adjustment, function		GF82.10-P-0001AA
1	Check headlamp adjustment, correct		AP82.10-P-8260A
2	Set headlamp range adjustment from position 0 to position 3	Cutoff should move from A to B If not: ↓
		Check pressure system for headlamp range adjustment	AR82.10-P-4011-01A
		Pressure values for headlamp range adjustment	*BE82.10-P-1001-01D
			Figure
3	Adjust knurled disk or test screen on headlamp adjuster until cutoff (B) is reached	If the nominal value on the adjustment scale of the headlamp adjuster is not reached: ↓	*BE82.10-P-1003-01D
		Remove headlamp unit	AR82.10-P-4730A
		Remove lens from headlamp unit Move reflector by hand and check for easy motion	AR82.10-P-1820A
		Remove headlamp unit actuator	AR82.10-P-4301A
		Check stroke of actuator	AR82.10-P-4012-02A  *BE82.10-P-1002-01D
		Check pressure system for headlamp range adjustment Adjust front lights (Maintenance Manual, Volume 3)	AR82.10-P-4011-01A

TEST VALUES FOR EXTERIOR LIGHTING

Number	Designation			Model 129
BE82.10-P-1001-01D	Pressure values for pneumatic headlamp range adjustment	Position 0	mbar	400 ± 30
		Position 1	mbar	290 ± 30
		Position 2	mbar	200 ± 30
		Position 3	mbar	50 ± 30
BE82.10-P-1002-01D	Adjustment path for pneumatic headlamp range adjustment actuator	Position 0	mm	0.0
		Position 1	mm	0.95
		Position 2	mm	1.7
		Position 3	mm	3.0
BE82.10-P-1003-01D	Nominal value for displacement of cutoff on adjustment scale of headlamp adjuster		cm	33 - 48

Fig 2: Identifying Vacuum Tester (201 589 13 21 00)