Honda Motor BF40D Manual Del Usuario página 470

• IAC Valve Replacement
1) Remove the engine cover (P. 4-2)
2) Release the breather tube from the tube clamp and
fuel tube clamp B.
3) Disconnect the IAC valve 2P connector.
4) Remove the two 8 x 45 mm flange bolts, and remove
the 3.5 mm tube clip, IAC valve and the IAC valve
gasket.
Replace the IAC valve with a new one.
8 x 45 (2)
IAC VALVE
IAC VALVE 2P
CONNECTOR
TUBE CLAMP
5-75
3.5 mm TUBE CLIP
IAC VALVE
GASKET
FUEL TUBE
CLAMP B
BREATHER TUBE
470
5) Set the new IAC valve gasket, IAC valve and the 3.5
mm tube clip on the intake manifold.
6) Tighten the 8 x 45 mm flange bolts in several steps to
the specified torque in the numbered sequence
shown.
TORQUE: 22 N . m (2.2 kgf . m, 16 lbf . ft)
7) Connect the IAC valve 2P connector.
8) Secure the breather tube to the tube clamp and fuel
tube clamp B.
9) Check the idle speed (P. 3-16).
10) Install the engine cover (P. 4-2).