MQ Power Whisperwatt DCA-300SSK Operation And Parts Manual page 34

3. NEVER overfill trailer fuel tank – It is important to
read the trailer fuel gauge when filling trailer fuel tank.
DO NOT wait for fuel to rise in filler neck. See Figure 34.
Figure 34. Full Trailer Tank
CAUTION - REFUELING THE GENERATOR
DO NOT OVER-FILL fuel system. Leave room for fuel
expansion. Fuel expands when heated.
4. Once the trailer tank is full, the secondary inner tank
can be filled (See Figure 35). Notice how the trailer
filler tube level rises when the internal tank is filled.
Figure 35. Filling Secondary Internal Fuel Tank
PAGE 34 — DCA-300SSK SERIES — PARTS AND OPERATION MANUAL (STD) — REV. #4 (03/27/06)
DCA-300SSK SERIES — PRE-SETUP
5. Figure 36 below reflects a full fuel system.
Figure 36. Full Fuel System
6. Fuel from the engine return line will drain into the secondary
internal fuel tank. This fuel will eventually drain into the
primary trailer tank in order to return to the engine.
WARNING -
REFUELING SECONDARY FUEL TANK
It is recommended to only fill the internal secondary fuel tank to
3/4 full in order to allow for fuel return, fuel expansion, and to
avoid spillage. See Figure 37 for fuel expansion.
Figure 37. Fuel Expansion