TM 9-2320-209-10-2/TO36A12-lB-l09l-2 Table 1–1. Operator/Crew Preventive Maintenance Checks and Services - Cont NOTE: These checks are to be made in the order listed, within designated interval. B–Before operation A–After operation M–Monthly D–During operation W–Weekly Item No. 13 (cont) 1-12 Interval B D AWM ● ● ● ● ● ● ● Change 2 Item to be Inspected Procedure: Check for and have repaired, filled, or adjusted as needed c. Check engine instruments on instrument panel for steady, normal readings as follows: Oil pressure — 10-75 psi (69 -517.125 kPa) Temperature — 180°- 200°F (82.3 - 93.3°C) Air Pressure — 85-120 psi (585.775 -827.586 kPa) Battery/ Generator — In green area Tachometer — Idle: 650-850 RPM — Max: 2600-2900 RPM Fuel — Shows fuel level NOTE Inoperative fuel gage does not down vehicle. d. Engine stop cable CAUTION Do not attempt to force cable handle in- ward while serrations are interlocked. This will strip the serrations on the cable and render the vehicle inoperative. Equipment is not ready/ available if Gages do not read within limits given. Oil Pressure is less than 10 psi. Temp. more than 210°F Air pressure 60 psi or below. Gage needle reads in red area. Tach gage is not with in limits. Inoperative or will not lock in the out position