TM-5-3805-254-14-P-2

TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW, IHC MODEL F-5070 (CCE)

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, GENERAL SUPPORT AND DEPT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS INFORMATION AND SUPPLEMENTAL MAINTENANCE INSTRUCTIONS)

JUNE 1980

TM-5-3805-254-14-P-2 - Page 535 of 894

TRUCK SERVICE MANUAL

Compare Check Point Pressure

1.

Reduce speed to that specified by "Check Point 1" in

the calibration data.

2.

Adjust flow meter to that specified under check point.

3.

Check pressure at fuel manifold pressure gauge,

"Check Point" pressure should be within the range

Indicated.

4.

If the pressure is above or below range, check the

torque spring on

the governor

plunger,

it may not be

seated, improperly shimmed, or the wrong spring.

See

part number indicated

in

calibration

data,

If spring

Is

chained, recalibrate fuel pump.

Check weight assist

protrusion or pressure to determine If it Is influencing the

check point pressure.

Torque spring shims are available

In 0.002, 0.0()5, 0.010 and 0.020 Inch [0.051, 0.127,

0.254 and 0.508 mm] .

5.

Reduce speed to that specified by "Check Point 2" In

the calibration data.

If out of specifications, adjust flow

meter and check weight assist but maintain pressure

indicated at 800 rpm under "Weight Assist" following.