Final Instructions - Generac Power Systems 22 kW Owner's Manual

A
Check condition of threads in cylinder head and on spark plugs. If necessary, soften deposits with penetrating oil
5.
and clean out with a thread chaser.
Clean spark plugs using a wire brush and commercial solvent. Do not blast spark plugs. Use new spark plugs if
6.
necessary.
See B of Figure 5-15 Check spark plug gap using a wire feeler gauge. Adjust gap by carefully bending ground
7.
electrode as follows:
Model
Engine
0.71 mm (0.028 in.)
0.9 mm (0.035 in.)
1.07-1.17 mm (0.042-0.046 in.)
1.29-1.45 mm (0.051-0.057 in.)
Finger tighten spark plugs into cylinder head, and then using a spark plug socket, tighten as follows:
8.
Install spark plug cables onto spark plug terminals.
9.
Verify that spark plug cables are captured in cable clips at top of valve cover.
10.
5.8.4— Final Instructions
If only performing Schedule A and Schedule B maintenance procedures, proceed as follows:
Install battery negative cable (black) onto battery negative (-) terminal.
1.
Install left and right side access panels. See Subsection 5.2 —Access Panels.
2.
See Subsection 5.10 —Return To Service.
3.
Owner's Manual for Stationary Emergency Generators
Figure 5-15. Adjust Spark Plug Gap
Spark Plug Gap
22/27 kW 25/30 kW
2.4L 1.5L


Spark Plug Torque
Engine ft-lbs
1.5L, 2.4L 18
13
5.4L
B
32/38 kW 36/45 kW
2.4L 2.4L


N-m
25
18
Maintenance
48 kW 60 kW
5.4L 2.4L


43