12
Genie S-120 & Genie S-125
Part No. 62756
Operator's Manual
First Edition · Fourth Printing
Maintenance
Observe and Obey:
Only routine maintenance items specified in this
manual shall be performed by the operator.
Scheduled maintenance inspections shall be
completed by qualified service technicians,
according to the manufacturer's specifications
and the requirements specified in the
responsibilities manual.
Maintenance Symbols Legend
The following symbols have been
used in this manual to help
communicate the intent of the
instructions. When one or more of
the symbols appear at the
beginning of a maintenance
procedure, it conveys the meaning
below.
Indicates that tools will be required to
perform this procedure.
Indicates that new parts will be
required to perform this procedure.
Indicates that a cold engine is required
before performing this procedure.
Check the Engine Oil Level
Maintaining the proper engine oil level is essential
to good engine performance and service life.
Operating the machine with an improper oil level
can damage engine components.
Check the oil level with the
engine off.
1 Check the engine oil dipstick. Add oil as
needed.
Cummins models:
Result: The oil level should be within the "L" and
"H" marks on the dipstick.
Deutz models:
Result: The oil level should be within the two
marks on the dipstick.
Perkins models:
Result: The oil level should be within the two
notches on the dipstick.
Cummins B3.9L Engine
11.5 quarts
Oil capacity (including filter)
10.9 liters
Cummins B3.9L Engine
Oil viscosity requirements
below 68°F / 20°C
5W-30
-10° to 68°F / -23° to 20°C
10W-30
above 15°F / -9°C
15W-40
Use oils meeting API classification CE (labeled CE/
SG).
Deutz F4L 913 Engine
14 quarts
Oil capacity (including filter)
13.5 liters
Deutz F4L 913 Engine Oil viscosity
requirements
below 60°F / 15.5°C (synthetic)
5W-30
-10°F to 90°F / -23°C to 32°C
10W-40
above -4°F / -34°C
15W-40
Engine oil should have properties of API classification
CC/SE or CC/SF grades.