Overhaul of Manifold HeaterTubes, Filter, and Electrical Components

b. Cleaning, Inspection, and Repair. Refer to

6-65.

Overhaul of Manifold Heater Tubes,

paragraphs

6-2

through

6-4.

Filter, and Electrical Components

(1) Heater tubes. Flush rigid heater tubes

a. Disassembly. Disassemble the manifold

(19, fig. B-21) thoroughly and dry with com-

heater filter following instructions which ac-

pressed air. Clean plastic tubes (50) with a

company figure 6-251. The heater tubes and

clean dry cloth and blow tubes out with com-

electrical

components

were

disassembled

during

pressed air. Inspect tube fittings for stripped or

engine disassembly.

damaged threads. Replace tubes that are split or

kinked or when fittings are damaged.

(2) Heater fuel filter. Replace filter element

if deformed or if foreign material is embedded.

(3) E l e c t r i c a l c o m p o n e n t s . I n s p e c t h e a t e r

electrical leads (9, fig. B-21) and ignition units

(8) for cracks, continuity, and other damage.

Replace leads and ignition units that fail to pass

continuity test.

c. Assembly. Refer to figure 6-251. The

manifold heater tubes and electrical components

are assembled during engine assembly, Chapter

Disassemble

1. Unscrew and separate filter head (A) and filter bowl.

2. Remove and discard filter element (B).

3. Remove and discard preformed packing (C).

Assemble

1. Position a new preformed packing (C) on filter bowl.

2. Position new filter element (B) in bowl

3. Install head (A) on bowl.

Figure

6-251.

Disassembling

assembling

manifold heater fuel filter.

Section

XVIl.

OVERHAUL

FUEL

INJECTION

PUMP

DRIVE

COUPLERS,

FUEL

INJECTOR

NOZZLES,

PISTON OILER NOZZLES,

AND

TIME

TOTALIZING

METER

6-66. General

cleaning,

inspection,

repair,

and

assembly

ac-

company the overhaul instructions. Refer to the

This section covers the overhaul of the fuel

following table (table 6-46) for applicable

injection pump drive couplers, fuel injector

instructions for overhaul

illustrations

and

nozzles, piston oiler nozzles, and time totalizing

operations.

meter.

Specific

instructions

disassembly,

6-214