Yamaha NPS 4500 Owner's Manual page 17

D. Pre-Start Check and Inspection
D.1 Battery and Battery Connections
Verify there is sufficient battery voltage. Ensure all battery connections are clean of any
acid build-up and battery cable nuts are securely fastened.
D.2 Locate, Open and Secure the RV Generator Compartment Door
D.3 Locate, Open and Remove Generator Service Access Door and set aside
while performing remainder of Pre-Start Check and Inspection
D.4 Oil Level
• Ensure RV is on a level surface
• Remove the engine oil dipstick from engine
• Wipe off all excess oil from dipstick
• Re-insert engine oil dipstick without threading in dipstick
• Immediately remove and verify oil on dipstick is at FULL mark
D.5 Fuel Level and Connections
• Never store anything underneath or around the bottom or front of the
Generator. Lack of a proper ventilation parameter may cause the
Generator to overheat and/or ignite tall grass, vegetation or other objects
in proximity to the running Generator. This presents a fire hazard which
could ignite from hot exhaust pipe assembly, fumes and vapors and result
in death or extreme bodily harm to the Owner or Operator.
• Maintain a proper ventilation parameter extending 914.4 mm or (3') in all
directions from all manufacturer installed Generator components.
• Verify your RV fuel gauge indicates sufficient fuel
• Verify fuel connection at Generator is secure. See
• Verify Purge Line fuel vapor vent connection at the Generator is secure. See
Exhibit 5
o In motorized applications the Purge Line will be unused. Verify
manufacturer installed cap is secured on purge line spout
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Exhibit 5
Rev 1.7