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Kohler Command PRO ECH749 Service Manual

Kohler Command PRO ECH749
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10.14
Section 10
Reassembly
Figure 10-49. Installing Breather Reed Assembly.
4. Insert the breather lter into position in the
crankcase. Make sure no lter strands are on the
sealing surface. See Figure 10-50.
Figure 10-50. Installing New Breather Filter.
5. Install the new breather gasket.
6. Carefully position the breather cover on the
crankcase. Install rst two hex ange screws
at locations 3 and 4 shown in Figure 10-51 and
nger tighten at this time.
4. Push the electrical connector on the cranksha
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, li ing straps, or brackets
that were present prior to disassembly. Install the
four hex ange screws in each cover and 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
2
3
4
Figure 10-48. Valve Cover Fastener Torque
Sequence.
Install Breather Cover and Inner Baf 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 ange screw. Hold the assembly in line
when tightening. Torque the screw to 3.9 N·m
(35 in. lb.). See Figure 10-49.

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Kohler Command PRO ECH749 Specifications

General IconGeneral
Fuel SystemCarburetor
StarterElectric
Governor TypeMechanical
Lubrication SystemFull Pressure
Fuel TypeGasoline
Crankshaft OrientationHorizontal
Bore3.27 in (83 mm)
Cooling SystemAir
Oil TypeSAE 10W-30
Spark Plug Gap0.030 in (0.76 mm)
Valve Clearance - Intake0.004 - 0.006 in (0.10 - 0.15 mm)
Crankshaft TypeVaries by model
Crankshaft Thread SizeVaries by model
Crankshaft LengthVaries by model
Crankshaft DiameterVaries by model
TypeOverhead Valve (OHV)

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