TM 9-2320-209-10-1 FRAME 7 1. Check for hydrostatic lock as follows: (a) Turn ACCESSORY switch (1) to ON. (b) Pull ENG. STOP control knob (2) out as far as it will go and hold it out to stop fuel flow. (c) On trucks with engine START button (3) on instrument panel, press and quickly let go of START button several times. On trucks with floor mounted starter button (3) step on button and quickly let it go several times. 2. If any of the following happen, stop cranking immediately and tell organizational maintenance: (a) Engine starts to turn over with starter and stops. (b) Starter sounds as if it is straining when cranking. (c) Engine appears to be binding. 3. If there is no sign of hydrostatic lock, let ENG. STOP control knob (2) return to normal fuel on position. 4-36