(1) Unusual operation and noises. Check
(2) Oil. Cheek oil level in engine crank-
case. See that oil is at proper level.
for any abnormal operation, such as
engine overheating or running at be-
replenish if necessary.
low governed speed, failure of the
(3) Tampering and damage. Inspect for
pump to deliver full volume or to
tampering or damage that may have
respond to controls. Stop operation
immediately if any unusual noise is
occurred since the unit was last oper-
ated. Check the rear of the control
noticed. Examine the pump for signs
panel to make sure that there are no
loose connections on any of the compo-
(2) Gage readings. Check all gage read-
nents. Be sure all connections are tight
ings frequently, watching particular-
and that each component on the con-
ly to see that there is no unusual drop
trol panel is in good condition.
in engine oil pressure, and that the
(4) Location and alinement. Locate the
engine vacuum gage indicates at least
pump as close as possible to the source
5 inches vacuum regardless of the liq-
of supply. Each time the pump is re-
u i d being pumped or the rate of
located see that the unit is on solid
pumping and regardless of speed of
footing and approximately level. Block
the wheels securely and carefully an-
(3) Leaks. Check the entire unit for
chor the support stand. Make sure
leaks, paying particular attention to
the unit is properly grounded.
the pump seal. If a leak is noticed it
(5) Fuel line connections. Check all the
must be corrected or reported to the
suction and discharge lines. Make
p r o p e r authority. Look under the
sure the lines are independently sup-
trailer for signs of leaks and check the
p o r t e d near the pump, so that no
engine fuel lines and connections.
strain will be transmitted to the pump
Stop operation in case of a bad leak,
when the connections are made. Ar-
and make the necessary correction
range the lines with as few bends
and report to the proper authority.
as possible, Make required bends
If leaks are found which do not seri-
with a long radius whenever possible.
o u s l y affect the operation of the
Be sure each connection is properly
equipment, and if continued opera-
fitted and fastened,
tion will not cause damage to the
(6) Filling pump with liquid. Close the
pump or engine, make note of the
suction valves and fill the pump with
deficiency and see that it is corrected
t h e liquid to be pumped, To run
as soon as possible. Examine the suc-
the pump dry may cause severe dam-
tion and discharge hose assemblies
age to the pump seal.
and check valve connections for leaks.
(7) Pump strainer. Clean the pump
strainer if necessary.
e. At-halt services. During halts, even for
(8) Visual inspection. Make a visual in-
short periods, the operator should make a
spection of the entire unit (for cracks.
general check of the equipment and should cor-
rect and report any deficiency noticed. in addi-
breaks, or loose or missing bolts and
nuts. Make sure that all engine ac-
tion to performing the following specific duties:
cessories are properly mounted, ad-
(1) Shutdown precautions.
justed, in good operating condition.
(a) Adjust the throttle and reduce en-
and that all connections are secure.
gine rpm to idling speed.
d. During-operation services. The operator
(b) A HOW engine to idle for a mini-
of the pump is responsible for correcting or re-
mum of 3 to 5 minutes before stop-
porting unusual sounds or odors. deficiencies
ping to prevent warping of valves
in performance, or other signs of abnormal op-
and to allow engine to cool evenly.