TM-9-2910-226-34

PUMP, FUEL, METERING AND DISTRIBUTING, ASSEMBLY

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT, MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS

JUNE 1974

TM-9-2910-226-34 - Page 108 of 208

TM 9-2910-226-34

Figure 3-99. Identification of hydraulic head assembly

HD9070A (2910-084-0259).

a. Disassembly.

Refer to figure 3-100. Remove and

discard hydraulic head lower preformed packing (A)

and upper preformed packing (B). Do not remove

fuel inlet fitting.

3-62

Figure 3-100. Removing or installing hydraulic head packings.

b. Inspection.

Inspect the hydraulic head

assembly as follows:

(1) Refer to figure 3-101. Examine plunger

button (A) and spring (B) for evidence of wear.

Check spring coils for breaks, cracks or distortion.

Check gear teeth (C) for wear patterns and chipped

or broken teeth.

Figure 3-101. Inspection of hydraulic head components.