Remove Cylinder Heads; Remove Rocker Arms; Section 5: Cylinder Head And Valves - Generac Power Systems GTH760 Service Manual

GeNerAl INForMATIoN
Compression testing information and procedures is described
in Section 1, under "Troubleshooting".
Cylinders are numbered as shown in Figure 5-1.
Note: Cylinder #1 is closest to the flywheel.
Figure 5-1.
3
FINGER GUARD
1
ROTATING SCREEN
2
INTAKE MANIFOLD
3
ASSEMBLY
4 OIL COOLER
5
BLOWER HOUSING
UPPER WRAPPER
6
7
LOWER WRAPPER
8
VALVE COVER
Disconnect exhaust system from exhaust manifold. Remove
exhaust manifold from engine. Disconnect choke and throttle
control cables. Remove spark plugs.
1. Remove the parts depicted in Figure 5-2.
a. Discard gaskets and valve cover seals.

REMOVE ROCKER ARMS:

1. Unlock jam nuts and remove two ball studs and rocker arm
assemblies (see Figure 5-3).
2. Remove push rods and identify each.
Note: The valve push rods are aluminum. Mark push rods
for identification to prevent interchanging.
6
8
4
Figure 5-2.
5-1

SeCTIoN 5: CYlINder HeAd ANd vAlveS

reMove CYlINder HeAdS

7
5
5
2
1