To Fill The Fuel Tank; Adding Engine Oil; To Add Engine Oil To The Crankcase - Generac Power Systems iX 1600 Owner's Manual

TO FILL THE FUEL TANK

1. Remove the fuel tank cap.
Figure 8 - Fuel Tank Cap
FILL TANK UNTIL
FUEL IS TWO (2)
INCHES BELOW
THE TOP
2. Add fuel slowly, stopping about two (2) inches below the top
of the filler neck.
3. Replace the fuel tank cap. Make sure the valve on the fuel cap
is in the "OFF" position.
4. If the generator is going to be started, refer to the section
"STARTING THE GENERATOR" for additional directions on
priming the fuel system.

ADDING ENGINE OIL

All oil should meet minimum American Petroleum Institute (API)
Service Class SJ, SL or better. Do not use any aftermarket
additives.
Select the oil's viscosity grade according to the expected operating
temperature, only a little more than one-half quart is needed.
• Above 40° F, use SAE 30
• Below 40° F to 10° F, use 10W-30
• Below 10° F, use synthetic 5W-30
10W -3 0 10W-3 0
Synthe tic 5 W-30 Synthetic 5W-30
FUEL
TANK
CAP
S AE 30 S AE 30

TO ADD ENGINE OIL TO THE CRANKCASE

1. Place the unit on a firm, level surface.
2. Remove the Left Side Service Cover.
3. Remove the oil fill cap located on the bottom of the engine
crankcase.
4. Add the recommended engine oil slowly, stopping frequently
to check the level. The full level is the base of the threads in
the filler neck. DO NOT OVERFILL!
5. Replace the oil fill cap and tighten.
6. Always check the oil level before starting the generator
engine.
DO NOT overfill the engine crankcase with

oil. High oil pressure may result, causing
premature engine wear and damage.
Figure 9 - Oil Fill
FULL OIL LEVEL
IS THE BOTTOM
OF THESE
THREADS
OIL FILL
CAP
Operation
9