Section 3 – Maintenance
PRIMEPACT 50 Recreational Vehicle Generator
3.3MAINTAINING THE ENGINE AIR CLEANER
◆3.3.1 CLEANING THE FOAM PRECLEANER
Clean and
4.Clean the air cleaner cover then reassemble following steps
3.4CLEAN AIR INTAKE
Clean all foreign material from the air intake (Figure 3.3) at least once every 100 hours of operation. Clean more often if necessary.
Inspect the area around the generator exhaust muf- fler periodically and remove all grass, leaves, dirt, etc., from this area.
1.Turn the two screws counterclockwise to loosen.
2.Remove the cover, foam precleaner and paper filter.
3.Remove the foam precleaner from the cover.
4.Wash the foam precleaner in liquid detergent and water.
5.Wrap the foam precleaner in a clean cloth and gently squeeze it dry.
6.Saturate the foam precleaner in clean engine oil. Gently squeeze it in a clean cloth to remove excess oil and to distribute oil (DO NOT TWIST).
7.Install the foam precleaner into the cover, fol- lowed by the paper filter.
8.Install the cover, foam precleaner and paper filter.
9.Tighten the two screws to retain the filter in place.
Figure 3.2 – Engine Air Cleaner
Figure 3.3 – Cleaning Air Intake
3.5CHECKING THE ENGINE
SPARK PLUG
Clean the spark plug and reset the spark plug gap every 100 hours of operation.
1.Clean the area around the base of the spark plug to keep dirt and debris out of the engine. Clean by scraping or washing using a wire brush and com- mercial solvent. Do not blast the spark plug to clean.
2. Remove the spark plug and check the condition. Replace the spark plug if worn or if reuse is ques- tionable.
3. Check the spark plug gap using a wire feeler
gauge. Adjust the gap to 0.030 inch (0.76 mm) by carefully bending the ground electrode (Figure 3.4).
◆3.3.2 CLEANING OR REPLACING THE PAPER FILTER
Once each year or every 100 hours of operation (whichever comes first), clean or replace the paper filter. The new replacement filter must be flame retar- dant. Service the paper filter more frequently if oper- ating the generator in extremely dusty or dirty condi- tions. Use the following procedure (Figure 3.2):
1.Follow steps
2.Remove the paper filter.
3.Clean the air filter by tapping it gently on a solid surface. If the filter is too dirty, replace it with a new one. Dispose of the old filter properly.
Figure 3.4 – Setting the Spark Plug Gap
Sparking can occur if the wire terminal does
!not fit firmly on the spark plug terminal end. If necessary,
Generac® Power Systems, Inc. 13