TM 9-2320-260-34-1
3-83. INJECTOR AND VALVE ADJUSTMENT (TORQUE METHOD) (Contd)
b. Injector and Valve Adjustment
NOTE
During rebuild, injectors and valves are "cold set" with oil and
component parts temperature within 10F (-12C) of ambient air
or room temperature.
The injector and valve adjusting procedure below requires that
injectors be adjusted before valves.
1. Loosen locknut (4) on injector rocker lever (2).
2. Turn adjusting screw (3) down until top of plunger (5) contacts cup (1).
3. Advance adjusting screw (3) 15 to squeeze oil from cup (1).
4. Back out adjusting screw (3) one full turn. Ensure spring retainer (8) is against adjusting screw (6)
of injector (7).
NOTE
When tightening adjusting screw, set the torque wrench on value
required and pull to "0." Break adjusting screw loose each time
and pull to torque value shown in each tightening pass.
5. Tighten adjusting screw (3), making two or three passes with torque wrench, 72 lb-in. (8.1 Nm).
NOTE
Perform step 6 for top stop injectors.
6. Tighten adjusting screw (3) 5-6 lb-in. (0.6-0.7 Nm).
7. Tighten locknut (4) 40-45 lb-ft (54-61 Nm).
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