ARMY TM 9-2815-254-24
AIR FORCE TO 38G1-94-2
Tag, disconnect, and remove oil pressure sending unit, if supplied.
Install oil pressure gage (0-150 psi).
Start engine and check oil pressure relief valve opening. Valve should open between 82.5 to 88.2
psi (568 to 608 kPa).
Replace oil pressure relief valve if valve fails to open as specified above.
Remove oil pressure gage and install oil pressure sending unit (if supplied). Connect electrical
connection and remove tag.
If removed, install plug (7) with new seal (8). Torque plug between 18.1 to 25.3 ft-lbs (24.5 to
Install oil pressure relief valve (5) and o-ring (6). Torque relief valve between 18.1 to 25.3 ft-lbs
(24.5 to 34.3 Nm)
Service lubrication system, refer to end item maintenance manual.
Operate engine and check for leakage.
3-16. OIL PIPING.
Drain lubrication system, refer to end item maintenance manual.
Remove fluid passage bolt (1, FIGURE 3-39) securing valve rocker oil feed pipe (3). Remove pipe
and two gaskets (2). Discard gaskets (2).
Remove two fluid passage bolts (4) and bolt (6) securing fuel injection pump oil pipe (7). Remove
pipe and four gaskets (5). Discard gaskets (5).
Change 2 3-71