ALTERNATE 11 FUEL CORRECTION PROCEDURES.

TM 9-2815-210-34-2-1

(10) Commercial Gasoline (ASTM D 4 3 9 ) , L e a d e d , L o w - L e a d , o r U n l e a d e d ,

where Research Octane Number (RON) is known to be above 90 or Antiknock

Index (Fuel Note 2) known to be above 86.

e . E m e r g e n c y Fuels. L o n g o p e r a t i o n o n t h e f o l l o w i n g e m e r g e n c y f u e l s m a y

Some

cause early clogging of fuel filters and early fouling of fuel injector nozzles.

emergency fuels may need the addition of diesel fuel for satisfactory performance.

(1) Burner Fuel Oil, VV-F-815, Grades FO-1 and FO-2 (Fuel Note 1).

FUEL NOTE 1

D i e s e l fuels and burner fuel oils should

n o t be used at temperatures below the

following limits; except for VV-F-800,

G r a d e s DF-1 and DF-2, which are

supplied to regional and seasonal

requirements.

Temperature

Grade

- 1 0 F . , or seasonal

DF-1

l i m i t in accordance with

VV-F-800.

+ 3 2 F . , o r seasonal

DF-2

l i m i t in accordance with

VV-F-800.

No limit

DF-A

-10F.

1-D and No. 1

+32F.

2-D and No. 2

+15F.

N A T O Code F-75

+35F.

DF-M

+40F.

G a s o l i n e and Turbine

F u e l s to which Diesel

-25F.

fuel has been added.

FUEL NOTE 2

"Antiknock Index" is

M o t o r Octane Number + Research

O c t a n e Number and as of the date

o f publication of this manual, is the

"Octane Number" displayed on retail

g a s o l i n e pumps in CONUS.

1-20. ALTERNATE 11 FUEL CORRECTION PROCEDURES.

a. This procedure is used for telling if the addition of diesel fuel is needed

f o r good engine operation with unknown or low octane fuels (gasoline and turbine

fuel).

1-16