Actron CP9087 Manuel d'utilisateur télécharger pdf (Page 33)

OXYGEN

2-25

11) Observe RICH/LEAN lights while operating

sensor.

• After sensor tip is hot. move the flame until the

sensor tip is completely surrounded by the flame.

This keeps oxygen away from the tip. See Fig. 2.

– Good Sensor:

RICH light turns ON within 3

seconds indicating a “rich” (low oxygen) condition.

– Bad Sensor:

RICH light takes longer than 3

seconds to turn on, or does not turn on at all.

• Move flame so oxygen can reach sensor tip.

(Keep sensor tip hot with flame.) See Fig. 1.

– Good Sensor:

LEAN light turns ON within 3

seconds indicating a “lean” (high oxygen) condition.

– Bad Sensor:

LEAN light takes longer than 3

seconds to turn on, or does not turn on at all.

12) Repeat step 11 a few times to verify results.

13) Testing is complete.

Extinguish flame, set RANGE switch to POWER

OFF, let sensor cool and remove test leads.

IMPORTANT: Special anti-seize compound must be

applied to sensor housing threads before reinstallation.

Refer to vehicle service manual for proper type.

RICH

LEAN

RICH

LEAN

Fig. 1 Fig. 2

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 87 88

Pas de commentaire

Actron CP9087 Manuel d'utilisateur Page 33