Maintenance
Synergy Automatic Standby Generator Owner’s Manual 29
4.7 — Schedule B Maintenance
NOTE: Perform Schedule B maintenance every four years or after 400 hours of service, whichever com es first.
Before proceeding below, first perform all tasks listed under Schedule A Maintenance.
4.7.1— Replace Engine Air Filter
1.
Remove unit from service. See Subsection 4.4 —Remove From Service.
2.
Disengage cover clip and remove air cleaner cover. See A of Figure 4-4.
3.
Remove air filter and discard.
4.
Thoroughly clean the air cleaner cover and housing of dust and dirt.
5.
Install new air filter. See B of Figure 4-4.
6.
Install air cleaner cover and engage cover clip.
Figure 4-4. Replace Engine Air Filter
4.7.2— 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.
If utility is present, the secondary 12V DC fan continues to operate for up to one hour after the genera-
tor is shut down (even if the 7.5 amp ATO fuse is removed). To avoid hand injury, always exercise cau-
tion when working near the AVR fan housing.
The AVR remains charged for up to three minutes after power down. To avoid potential electrical
shock, allow five minutes to elapse before removing AVR filter housing.
1.
Remove screw to release AVR filter housing from back panel. Remove AVR filter housing.
2.
Remove spark plug cables from spark plug terminals.
A B
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