TM 9-2320-260-34-1
5-11. FLOW TEST (Contd)
Remove orifice plug (3) and gasket (2) from injector (1). Discard gasket (2) and orifice plug(3).
17.
Install new gasket (2) and new orifice plug (3) in injector (1). Tighten orifice plug(3) 8-10 lb-in
18.
(0.9-1.1 Nm).
Install inlet pressure line adapter (13) and burnishing tool (11) on burnishing tool adapter (9).
19.
CAUTION
When seating burnishing tool, use care not to push small knob
in too hard or over-tighten indicator knob. When slight contact is
made, stop. Injector can be damaged if over tightened. Test stand
must be running while burnishing.
NOTE
Burnishing cleans injector inlet orifice and sets fuel flow.
Turn indicator knob (12) until spaced 0.375 in. (9.5 mm) from knob (13).
20.
Slowly push knob (10) in until contact is made with injector (1).
21.
Turn knob (10) counterclockwise to knob (13) and indicator knob (12).
22.
Slowly turn indicator knob (12) inward until seated in injector (1). Do not over tighten.
23.
Aline index indicator knob (12) with mark on knob (13).
24.
Advance indicator knob (12) one mark then back off until spaced 0.375 in. (9.5 mm) from knob (13).
25.
NOTE
Perform steps 12 through 15 and recheck fuel delivery. If delivery
is lower than 121-122 cc, repeat steps 20 through 25. If reading is
higher, install new orifice plug (steps 17 through 19), and recheck
fuel delivery.
Place motor switch (5) on test stand (4) in OFF position.
26.
Remove drain connector (6) from burnishing tool adapter (9).
27.
Remove inlet pressure line adapter (14) from burnishing tool adapter (9).
28.
Remove burnishing tool (11) from burnishing tool adapter (9).
29.
Open hydraulic valve (7) on test stand (4).
30.
Close air valve (8) on test stand (4).
31.
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