REASSEMBLY (cont) - TM-10-3930-638-24-P0894

TM 10-3930-638-24&P

4-3. FUEL SYSTEM MAINTENANCE (cont)

b. Fuel Injection Pump (cont).

ITEM

REMARKS

ACTION

LOCATION

STEP

REASSEMBLY (cont)

Install in rotor

Chamfer inward

a. Two pumping

(cont)

plungers (122)

bores

Flush thoroughly

Don't handle rotor shank; keep your fingers

b. Rotor (123)

in clean diesel

over plungers to stop them from falling

fuel

out

c. Hydraulic head

Flush thoroughly

in clean diesel

(81)

fuel

Install using

In hydraulic head, while both are immersed

d. Rotor (123)

slight rotary

in clean diesel fuel

motion

Install in holding

e. Hydraulic head

(81) and rotor

fixture P/N 19965

(123)

Position

f. Leaf spring (121)

g. Adjusting screw

Install

Use tool P/N 13336

(1 20)

Install

In rotor (1 23), then check for freedom of

h. Two cam roller

movement

shoes (119)

and cam

rollers (118)

i. Cam rollers (118)

Check and adjust roller-to-roller dimension:

a. Install fixture P/N 19969 in vise

b. Assemble 1/4-18 NPT fitting to fixture air inlet

c. Adapt fitting to a 30-100 PSI source of clean, dry air

CAUTION

Handle hydraulic head carefully in following step and hold cam

rollers (118) and shoes (119) in their slots to prevent rotor, cam

rollers, and shoes from falling.

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