FUEL METERING PUMP ADJUSTMENT

TM 5-2420-222-20-1

FUEL METERING PUMP ADJUSTMENT

This task covers:

Adjustment (page 2-222)

INITIAL SETUP

Tools

Materials/Parts

Pliers, long round nose

Pin, cotter, speed control rod

Screwdriver, flat-tip, 3/16-inch

Wrench, open-end, 5/16-inch

Personnel Required

(two required)

Two

ACTION

LOCATION

ITEM

REMARKS

ADJUSTMENT

1. Loader backhoe

Engine

Start and warm up (TM 5-2420-222-10).

WARNING

Be careful of moving parts when working near engine while it is running. Moving parts

could catch on tools, clothing, or extremities causing serious injury.

2. Speed control rod

Cotter pin (3)

a. Using long round nose pliers, bend

(1) and washer (2)

ends straight and pull out.

b. Get rid of.

3. Speed control rod

Washer (2)

Take off.

(1) and lever (4)

4. Lever (4)

Speed control

Take out.

rod (1)

5. Arm (5)

Lever (4)

a. Pull back as far as possible.

b. Have assistant note engine speed on

tachometer (6).

Engine speed should be 2650 rpm.

NOTE

If engine speed is correct, skip steps 6 thru 8.

6. Shaft (7) and

Nut (9)

Using 3/16-inch flat-tip screwdriver and

high idle adjusting

5/16-inch open-end wrench, loosen.

screw (8)

2-222