TM 5-4310-379-14
4951-010
Figure 2-4. Engine Operating Procedures.
b. Air Compressor. (figure 2-5)
(1)
Set engine speed to 800 rpm.
(2)
Move power take-off control lever (1) away from engine to engage clutch.
(3)
Set engine speed to 1800 rpm.
(4)
Check air compressor oil pressure gage (2). Oil pressure should be at least 17 psi when air compressor
delivers 200 psi. Adjust oil pressure as follows:
(a)
Loosen locknut (3).
(b)
Turn adjusting screw (4) clockwise to raise pressure or counterclockwise to lower pressure.
(c)
Tighten locknut (3) when desired pressure is obtained.
2-10
