
8.12
Section 8
Disassembly
Figure 8-49. Removing Retaining Clip.
Remove Intake Manifold
1. Remove the hex
fl
ange screw securing a ring
terminal which is part of the wiring harness. See
Figure 8-50.
4. Remove the intake manifold and the intake
manifold gaskets.
5. Leave the wiring harness a
tt
ached to the
manifold.
Remove Spark Plugs
1. Remove the spark plug from each cylinder head.
See Figure 8-52.
Figure 8-50. Disconnecting Ground Terminal.
2. Remove the four hex
fl
ange screws securing
the intake manifold to the cylinder heads. Note
which screws hold the wiring clamp.
3. Unclasp the wiring harness from the clip using a
screwdriver. See Figure 8-51.
Figure 8-51. Release Wire Harness Clip.
Studs, Hex
Flange Nuts, and
Washers Shown
Figure 8-52. Removing Spark Plugs.
Remove Cylinder Heads and Hydraulic
Lifters
NOTE: Cylinder heads are retained using either
hex
fl
ange screws or hex
fl
ange nuts and
washers on studs. Do not interchange or mix
components.
1. Remove the four hex
fl
ange screws or hex nuts
and washers securing each cylinder head. See
Figure 8-53. Discard the screws or nuts and
washers once removed. Do not reuse. Studs (if
present) should only be removed if damaged
or if cylinder reconditioning is necessary. Once
removed, they must be replaced.
Figure 8-53. Removing Cylinder Head Fasteners.
Summary of Contents for Command PRO CH749
Page 1: ...SERVICE MANUAL ECH630 ECH749 HORIZONTAL CRANKSHAFT ...
Page 2: ......
Page 4: ......
Page 76: ...6 6 Section 6 Lubrication System ...
Page 94: ...7 18 Section 7 Electrical System and Components ...
Page 112: ...8 18 Section 8 Disassembly ...
Page 126: ...9 14 Section 9 Inspection and Reconditioning ...
Page 153: ......