CUMMINS N14 Specifications download pdf (Page 468)

100

101

Dynamometer Worksheet

Date Repair Order No. Operator

ESN CPL Fuel Pump Code

Complaint SC Code (CELECT™)

PARAMETER CODE SPECIFICATIONS ACTUAL READING

Fuel Pressure (psi @ RPM)

Fuel Rate (pph)

Check Point 1 (psi @ RPM) (Reference Only)

Intake Mfd. Pressure (in.Hg)

Governor Break RPM

No-Air Setting (psi @ RPM)

*Intake Air Restriction 25 in. H

0, Maximum

Intake Manifold Temperature for CAC

Engines

150°F or Below (Target Range)

170°F Maximum

*Exhaust Air Restriction 3 in. Hg, Maximum

*Fuel Inlet Restriction 8 in. Hg (Dirty Filter), Maximum

*Fuel Drain Line Restriction 2.5 in. Hg with Check Valves, Max.

6.5 in. Hg without Check Valves, Max.

Engine Blowby 12 in. H

0 New Engines, Max.

18 in. H

0 Used Engines, Max.

*Recorded at Advertised Horsepower (Maximum Power)

Road Speed Limit

Engine High Speed Limit

Check Oil Level Low High OK Fuel Quality OK Not OK

ENGINE

SPEED

(RPM)

*FUEL

RATED

(pph)

FUEL

PRESSURE

(psi)

INTAKE

MANIFOLD

PRESSURE

(in. Hg)

INTAKE

MANIFOLD

TEMP.

(°F]

† ENGINE

BLOWBY

(in.H

LUBRICATING

OIL

PRESSURE

(psi)

HORSEPOWER

TORQUE

* Be Sure That the Fuel Rate is Corrected for Temperature.

Fuel Temperature Correction for Flow Rate

Less than 7°C[45°F] Flow meter not accurate

7 to 13°C[45 to 55°F] Subtract 2% from flow rate reading

13.0 to 20.0°C[55 to 68°F] Subtract 1% from flow rate reading

20.0 to 29°C[68 to 85°F] No Correction

29 to 42°C[85 to 108°F] Add 1% to flow rate reading

42 to 56°C[108 to 132°F] Add 2% to flow rate reading

56°C above [132°F] Flow meter not accurate.

Pressure Conversions

1 in. H

0 = 0.074 in. Hg = 0.036 psi

1 in. Hg = 13.514 in. H

0 = 0.491 psi

1 psi = 2.036 in. Hg = 27.7 in. H

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Dynamometer Worksheet Engine Testing

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CUMMINS N14 Specifications Page 468

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