RV Repair: 1994 onan 4000ky microlite, bubble levels, generator power

Question
In my rv when running on generator power,my clocks run about 10 minutes fast every hour,which screw do i turn to adjust this,and is this harmfull to electrical equipment.also 1 other question,how unlevel is too unlevel for a dometic 2611 fridge so as not to damage it

Answer
well i would say take it to a service center a 1/4 turn one way and you can ruin your electrical equipment 1/4 turn the other way and you can ruin the board inside the geni
the fridge they say it needs to be level as possible.they used to come with bubble levels