Install needle assembly

Insert three puller bolts 4910-572-8699 (8356200)

(A) in diaphragm (B) and remove diaphragm.

Install gasket(s) (A), selected in step 25 (fig. 5-

107). Install guide bolts (B) in pitot tube (C), and

set pitot tube in place in pitot collector ring (D).

Install diaphragm (E), alining with bolts (F) in

flange and bolts (B) in pitot tube bolt holes (G).

(Guide bolts are part of set 4910-572-8710

(8356165).)

Install needle assembly (A) in washer (B) on

diaphragm (C). Install washer (D) on needle

assembly with washer lip toward needle assembly

NOTE

Use oil-soluble grease to hold needle

assembly and washer on diaphragm while

installing diaphragm in step 28 (fig. 5-

111).

Install seventeen bolts and washers (A), and seat

diaphragm (B) against spacers. Remove two bolts

(C). Tighten bolts (A) to 17 to 20 pound-feet

torque. Remove diaphragm guide bolts (D). (Guide

bolts are part of set 4910-572-8710 (8356165).)