Maintenance
Synergy Automatic Standby Generator Owner’s Manual 27
4.6.2— Replace AVR Filter
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. See A of Figure 4-2.
2.
Remove AVR filter housing.
3.
Grasp rubber lifting strap and remove filter from filter housing. Discard filter. See B of Figure 4-2.
4.
Install new filter, so that edge is positioned inboard of two tabs on filter housing.
5.
Install AVR filter housing so the bottom drops into the slots, ensuring that the rubber boot is completely around
the fan opening. Install screw to fasten AVR filter housing to back panel and torque to 50-96 in-lbs (6-11 Nm).
Figure 4-2. Replace AVR Filter
4.6.3— Replace Engine Oil and Oil Filter
1.
Remove oil drain hose from holding clamp.
2.
Remove drain plug from oil drain hose. See A of Figure 4-3.
3.
Drain oil into a suitable container.
4.
Install drain plug onto end of oil drain hose.
5.
Install oil drain hose into holding clamp.
6.
Rotate oil filter counterclockwise to remove from oil filter adapter. See B of Figure 4-3.
7.
Apply a light coat of clean engine oil to gasket of new oil filter.
8.
Install oil filter by hand until gasket just contacts oil filter adapter. Tighten oil filter an additional 3/4 to one full turn.
9.
Remove oil fill cap and fill engine with the recommended oil. See Figure 4-1.
10.
Install oil fill cap.
11.
Return unit to service. See Subsection 4.8 —Return to Service.
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A B
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