Allison Transmission 1000 & 2000 Product Families 4th Controls MT4007EN Troubleshooting Manual

Page 45

Figure 4–4.

4–5. CHECKING PLUGS AND OPENINGS Carefully check all sides and the bottom of the transmission for loose or missing plugs. a. Pressure Plugs. Check that .4375–20 UNF­2A pressure plugs are tightened to 10–13 N∙m (7–10 lb ft). b. Fluid Drain Plug. Check that the drain plug is tightened to 30–40 N∙m (22–30 lb ft) . c. Tachograph Plug. If present, tighten to 60–67 N∙m (44–49 lb ft).

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