TM 5-4310-343-35
(b) Reassemble all parts in reverse order of disassembly. Check that parts are correctly aligned after
alignment pin (14) is inserted through center plate (15).
(c) Wrap teflon tape MIL-T-27730 around threads and screw in outlet elbow (21). Hold body assembly in
position illustrated in figure 6-6, and drop by-pass ball (20) into position. Check that by-pass ball is correctly seated
before replacing guide (19), and spring (18).
(d) Screw in spring retainer (17), making sure not to disturb seated by-pass ball (20). Continue until top
face of spring retainer is slightly below boss on body assembly (28) so that threads are barely visible.
(e) Wrap teflon tape MIL-T-27730 around threads and screw in inlet elbow (16).
CAUTION
First two threads must be free of tape.
(f) Tighten screws (6), (7), and (8) with uniform pressure so as not to distort the assembled oil pump.
Check that each screws goes into its correct location as indicated in figure 5-2.
(6) is 1/2-inch long
(7) is 7/16-inch long
(8) is 5/8-inch long
(g) After screws (6), (7) and (8) are tightened, stake each screw as shown in figure 5-2.
(2) Test reassembled oil pump as follows:
(a) Connect overhauled pump to suitable test bench rig which will permit output flow to pass through
drive shaft in the required way and then into a line connected to a 9 to 1 gpm flowmeter. Install a 0 to 200 psi test gage at
the pump pressure port and a 50-mesh screen strainer in inlet tubing (a 5/16 inch OD by 6 inch-long maximum tube is
recommended). Fill test rig with oil (Specification FSN 9150-753-4667).
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