Preventive Maintenance
Item 9
Open the drain at the bottom of the fuel tank every
500 hours or 15,000 miles (24 140 km) to drain off any
water or sediment.
Items 6 and 7
should not be operated with a dry pump. Prime the
Item 9
pump, if necessary, b y removing the pipe plug
provided in the pump inlet elbow and adding water.
Install new elements every 300 hours or 9,000 miles
Reinstall the plug.
(14 484 km) or when plugging is indicated.
A method of determining when elements are plugged
Item 8
to the extent that they should be changed is based on
the fuel pressure a t the cylinder head fuel inlet
Keep the fuel tank filled to reduce condensation to a
manifold and the inlet restriction at the fuel pump. In
minimum. Select the proper grade of fuel in
a clean system, the maximum pump inlet restriction
accordance with the Diesel Fuel Oil Specifications.
Fuel Pressure at Inlet Manifold
Speed (rpm)
Engine
2300
2100
1800
2000
1200
kPa
psi
kPa
kPa
kPa
psi
psi
psi
kPa
psi
V-71, V-71N
310-483
45-70
241-483
35-70
310-483
45-70
(6, 8, 12V) Normal
45-70
310-483
45-70
45-70
310-483
310-483
8V-71T Normal
45-60
310-414
310-414
45-60
12V-71T Normal
45-70
310-483
16V-71 Normal
35-70
241-483
45-70
310-483
35-70
241-483
45-70
310-483
45-70
310-483
16V-71N Normal
16V-71T Except
Standby Gen. Set
45-70
310-483
45-70
310-483
45-70
310-483
16V-71T With
50-70
345-483
Standby Gen. Set
TABLE 1
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