Clean/Gap/Replace Spark Plugs - Generac Power Systems 22 kW Owner's Manual

Maintenance
Insert funnel into filler neck of radiator. See B of Figure 5-14
14.
Slowly pour coolant into filler neck until radiator is full.
15.
Install radiator cap.
16.
Press MANUAL on the control panel to start the engine. A blue LED illuminates to confirm that the system is in
17.
the MANUAL mode.
Allow engine to run until the thermostat opens, as indicated by heating of the top radiator hose.
18.
Check coolant hoses for leaks. Tighten clamps, if necessary.
19.
Press OFF on the control panel to shut the engine down.
20.
Wait for the engine to cool.
21.
Repeat steps 4-21 to drain and refill cooling system.
22.
Slowly unscrew radiator cap. Slowly pour coolant into filler neck until radiator is full.
23.
Add coolant to the overflow reservoir. See Subsection 5.7.5—Check Coolant Level and Hoses.
24.
Install plastic cover at top of enclosure and rotate until tight.
25.
Check hoses for nicks, cuts, tears or general deterioration. Replace as necessary.
26.
A
NOTE: Drain hose removed for
illustration purposes.
5.8.3— Clean/Gap/Replace Spark Plugs
Clean, gap or replace spark plugs as follows:
+
Never disconnect a spark plug with the engine running. Doing so will result in an electric shock that
could result in death or serious injury.
Remove battery negative cable (black) from battery negative (-) terminal.
1.
Remove spark plug cables from spark plug terminals. See A of Figure 5-15
2.
NOTE: When disconnecting spark plug cable from spark plug terminal, always grasp and pull on the boot at
the terminal end of the cable. Pulling on cable portion can result in parts damage.
Thoroughly clean area around spark plugs.
3.
Remove spark plugs from cylinder head using a 5/8 inch spark plug socket.
4.
42
B
Figure 5-14. Drain/Fill Coolant System
Owner's Manual for Stationary Emergency Generators