2
GENERAL INFORMATION
The purpose of this manual is to
assist you in installing, operating and
maintaining your mechanical fuel meter�
Please take a few moments to read
these instructions before installing and
operating your fuel meter�
SAFETY INSTRUCTIONS
The following safety alert symbols are
used in this manual�
DANGER
DANGER indicates a hazardous
situation which, if not avoided, will
result in death or serious injury.
WARNING
WARNING indicates a hazardous
situation which, if not avoided, could
result in death or serious injury.
CAUTION
CAUTION indicates a hazardous
situation which, if not avoided, may
result in minor or moderate injury.
It is your responsibility to:
• Know and follow applicable na-
tional, state and local safety codes
pertaining to installing and operat-
ing equipment for use with am-
mable liquids�
• Know and follow all safety precau-
tions when handling petroleum
fuels
• Ensure that all equipment operators
have access to adequate instruc-
tions concerning safe operation and
maintenance�
Appropriate Use of QM Meter:
2�
DANGER
Observe precau-
tions against re or explosion when
dispensing fuel� Do not operate the
meter in the presence of any source
of ignition including running or hot
engines, lighted cigarettes, or gas
or electric heaters�
3�
WARNING
Any components
such as hose, nozzle, or pump
added to your meter must be stati-
cally grounded and approved for
use with petroleum fuels�
4�
WARNING
Avoid prolonged
skin contact with petroleum fuels�
Use protective goggles, gloves,
and aprons in case of accidental
splashing or spillage� Change
saturated clothing and wash skin
contact areas promptly with soap
and water�
This meter is intended for use with
pump systems up to 40 GPM (150
LPM) flow range (not intended for
gravity flow systems)� Using
mechanical gears, these meters
translate flow data from positive
displacement oval gears into
calibrated units which are indicated on
the face of the meter� This meter is
factory calibrated for diesel fuel� Field
calibration feature is available for
other fluids, see Calibration section�
This meter is for use only with
thin viscosity petroleum fuels
such as gasoline, gasoline-
ethanol blends (up to E15),
diesel, diesel blends (up to B20),
kerosene, aviation gasoline
AVGAS 100LL, and kerosene
grade Jet A.
WARNING
QM40 is approved for ground-based
refueling only. Do not use in or on
aircraft. Please consult NFPA 407 for
recommended safety requirements
during ground fuel servicing of aircraft
using petroleum fuels.
AVIATION NOTE:
1.