Opacity Measuring Chamber Type A AVL 4000
6-6 Service Manual
6.4 Dismantling the Opacity Measuring Chamber
6.4.1 Housing Cover 1 (on Exhaust Gas Outlet Side)
• Undo the screws shown in Fig. 6-5 (11 screws) and carefully lift off cover 2.
Fig. 6-5
*) These two screws have a different head from the others (2 countersunk slotted-head
screws, 9 Phillips screws).
=DS1172=
=DZ0567=
=DZ0253=
=DS0467= =YM2727=
9 x 2 x
(Countersunk screw M5x16)
Fig. 6-6
Probe holder YM2722
Housing cover 2 RM0115
Label ZB1384
Silicon seal RM0121
Housing cover 2
LabelHolder for
passenger car probe