Kohler Command PRO ECH630 Service Manual page 140

Section 10
Reassembly
4. Push the electrical connector on the crankshaft
position sensor making sure a good connection is
made.
Install Valve Covers
1. Make sure the sealing surfaces are clean.
2. Make sure there are no nicks or burrs on the
sealing surfaces.
3. Install a new O-ring in the groove of each cover.
4. Position the covers on the cylinder heads
including any clips, lift ing straps, or brackets
that were present prior to disassembly. Install the
four hex fl ange screws in each cover and fi nger
tighten.
5. Torque the valve cover fasteners to 6.2 N·m
(55 in. lb.) using the sequence shown in Figure
10-48.
1
4
Figure 10-48. Valve Cover Fastener Torque
Sequence.
Install Breather Cover and Inner Baffl es
1. Be sure the sealing surfaces of the crankcase and
breather cover are clean of old gasket material.
Do not scrape the surfaces as this could result in
leakage.
2. Check to make sure there are no nicks or burrs on
sealing surfaces.
3. Install the breather reed and breather reed
retainer onto the crankcase and secure with
the hex fl ange screw. Hold the assembly in line
when tightening. Torque the screw to 3.9 N·m
(35 in. lb.). See Figure 10-49.
10.14
Figure 10-49. Installing Breather Reed Assembly.
4. Insert the breather fi lter into position in the
crankcase. Make sure no fi lter strands are on the
sealing surface. See Figure 10-50.
3
2
Figure 10-50. Installing New Breather Filter.
5. Install the new breather gasket.
6. Carefully position the breather cover on the
crankcase. Install fi rst two hex fl ange screws
at locations 3 and 4 shown in Figure 10-51 and
fi nger tighten at this time.