I always put mine in storage so I don't have to go through all that exercising stuff.
What does that mean? :h
I have an Onan 8KW Genset. One section in the Operator's Manual, Genset Break-in, Exercise and Storage, provides instructions for these operations. Under Exercise, It states " If use is infrequent the genset should be exercised at least 2 hours each month at approximately 1/2 power." It does not define "infrequent". It defines Storage as being idle for more than 120 days. Briefly, this is the storage procedure.
1. Turn genset line circuit breaker off.
2. Change air filter if dirty.
3. Change engine oil. (I don't do this unless the hours require it)
4. Disconnect battery cables.
5. Plug exhaust pipe.
6. Close fuel supply line.
I have been RVn for over 20 years and have never exercised my generator when parked for an extended period of time. My manual states the reason for exercising; "drives off moisture, re-lubricates the engine, replaces stale fuel with fresh fuel and removes oxide from electrical contacts, thereby promoting better starting, more reliable operation and longer engine life." I guess you don't have to worry bout all that stuff if you "store" the genset.
From my experience, exercising your genset is a "feel good" operation that will give an RVr something to do. A lot of folks also exercise their MH engine on a regular basis. Take it out on the highway and go 25 or 30 miles to get it good and warmed up. Man, I say get a life. Talk to a million or so farmers in this country and ask them if they exercise their equipment once a month. You'll get laughed out of the coffee shop.