Kohler Command PRO ECH630 Service Manual page 138

Section 10
Reassembly
Install Spark Plugs
1. Use new Champion ®
2. Set the gap at 0.76 mm (0.030 in.).
3. Install new plugs and torque to 24.4-29.8 N·m
(18-22 ft . lb.). See Figure 10-40.
Figure 10-40. Installing Spark Plugs.
Install Intake Manifold
1. Install the intake manifold and new gaskets,
with wiring harness att ached, to the cylinder
heads. Slide any wiring harness clips onto the
appropriate bolts before installing. Make sure
the gaskets are in the proper orientation. Torque
the four screws in two stages, fi rst to 7.8 N·m
(69 in. lb.), then to 10.5 N·m (93 in. lb.), using the
sequence shown in Figure 10-41.
3
1
Figure 10-41. Intake Manifold Torque Sequence.
2. Install the ground terminal to the crankcase post
with a silver hex fl ange screw. Torque to 4.0 N·m
(35 in. lb.) into used holes or 6.2 N·m (55 in. lb.)
into new holes. See Figure 10-42.
10.12
(or equivalent) spark plugs.
4
2
Figure 10-42. Install Ground Terminal.
3. Install the wire harness clip to the other crankcase
post and torque the hex fl ange screw to 4.0 N·m
(35 in. lb.) into used holes or 6.2 N·m (55 in. lb.)
into new holes. See Figure 10-43.
Figure 10-43. Install Wire Harness Clip.
4. Place wire harness conduit in clip and snap clip
together.
Install Fuel Injectors
NOTE: Ensure all parts are clean, undamaged and
free of debris and make sure the electrical
connectors have the seal in place.
NOTE: The O-rings and retaining clips should
be replaced any time the fuel injector is
separated from its normal mounting position.
1. Lightly lubricate the fuel injector O-rings with
clean engine oil.
2. Push the retaining clip onto the fuel injector,
aligning the clip as shown in Figure 10-44.