TM-10-4930-247-13-P

HEMTT TANKER AIRCRAFT REFUELING SYSTEM MODEL HTARS100

TECHNICAL MANUAL; OPERATOR’S, UNIT AND DIRECT SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST

FEBRUARY 1994

TM-10-4930-247-13-P - Page 133 of 309

TM 10-4930-247-13&P

4-19.

ELBOW ASSEMBLY REPAIR

This task consists of:

a.

Disassembly

b.

Cleaning

c.

Inspection

d.

Repair

e.

Assembly

INITIAL SET-UP:

Tools:

Material/Parts:

General Mechanics Tool Kit (App B, Sect III, Item 1)

Cleaning Solvent (Item 1, App F)

Equipment Condition:

Wiping Rag (Item 2, App F)

Component removed from fuel system (para 3-4a)

a.

Disassembly.

Refer to figure 4-14.

(1)

(Model HTARS100) Remove non-valved dry break couplings (1 and 2) from elbow body (3) (para 4-14).

(2)

(Model HTARS101) Remove valved dry break couplings (1 and 2) from elbow body (3) (para

b.

Cleaning.

WARNING

Dry cleaning solvent, P-D-680, Type III, is potentially dangerous to personnel and

property.

Eye and skin protection is required.

Avoid repeated and prolonged skin

contact.

Wash hands immediately after exposure.

Do not use near open flame or

excessive heat.

Flash point is 138F.

Use only in areas with good ventilation.

Using wiping rags and cleaning solvent, remove dirt and contaminants from all components.

c.

Inspection.

Refer to figure 4-14.

(1)

Inspect non-valved dry break coupling assemblies (1 and 2) for cracks, corrosion and damaged coupling

bodies.

Check sealing surfaces for scratches.

(2)

Inspect elbow body (3) for cracks, splits, pitting, and corrosion.

d.

Repair.

Refer to figure 4-14.

(1)

Replace damaged or defective elbow body (3).

(2)

Repair non-valved dry break coupling assemblies (1 and 2) in accordance with para 4-14.

4-38

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