Honda Motor BF40D Manual Del Usuario página 806

20. HO2S (HEATED OXYGEN SENSOR)
• REPLACEMENT
1) Remove the engine cover (P. 4-2).
2) Remove the 6 x 14 mm flange bolt and remove the
connector bracket C.
3) Remove the HO2S 4P connector from the ECM bracket.
4) Disconnect the HO2S 4P connector and remove the HO2S.
5) Install a new HO2S and tighten it to the specified torque.
NOTICE
To tighten the HO2S, use the deep flare nut (Snap-on Tools
International, LLC; Product No.: ANM14) (specified
commercially available tool) and read the torque as
follows.
[6]
TORQUE WRENCH
[7] TORQUE WRENCH
EFFECTIVE LENGTH
[m (ft)]
• Formula:
[8] Torque wrench reading =
[9]
Torque wrench effective length [m (ft)] x Specified torque [N . m (kgf . m, lbf . ft)]
[9] Torque wrench effective length [m (ft)] + 0.018 [m (0.059 ft)]
TORQUE: 10 N . m (1.0 kgf . m, 7 lbf . ft)
• Example:
Torque wrench reading in case of using a torque wrench
which effective length is 0.2 m (0.66 ft)
0.2 [m (0.66 ft)] x 10 [N . m (1.0 kgf . m, 7 lbf . ft)]
0.2 [m (0.66 ft)] + 0.018 [m (0.059 ft)]
= 9.2 [N . m (0.9 kgf . m, 6.8 lbf . ft)]
6) Connect the HO2S 4P connector.
7) Install the HO2S 4P connector on the ECM bracket.
8) Install the connector bracket C and tighten the 6 x 14 mm
flange bolt securely.
9) Install the engine cover (P. 4-2).
5-119
[5]
DEEP FLARE NUT
ANM14
(Commercially available)
[0.018 m
(0.059 ft)]
[10]
806
[2]
[1]
CONNECTOR
HO2S 4P
BRACKET C
CONNECTOR
[4]
ECM BRACKET
[5]
DEEP FLARE NUT
[3]
ANM14
HO2S
(Commercially available)
6 x 14
[3]
HO2S