TM 10-3930-669-20 PRESSURE TEST AND STEAICE-R #10 (1) Remove cap from tachometer drive. (2) Install pulse tachometer on tachometer drive. (3) Remove floor plate (Para 15-12). (4) Remove plug from transmission. (5) Start engine (TM 10-3930-669-10). (6) Observe VTM for results. (a) If 625 to 750 rpm is not displayed, perform Steps (7) and (B) below and adjust engine idle speed (Para 4- 7). (b) If 625 to 750 rpm is displayed. perform Steps (7) through (10) below, engine idle is OK. (7) Shut down engine. (8) Remove pulse tachometer from tachometer drive. (9) Install cap on tachometer drive. VISUAL INSPECTION (1) Start engine (TM 10-3930-669-10). (2) Set transmission control lever in reverse position and observe  forklift  rearward  movement  (TM  10-3930-669- 10). (a)  If  forklift  does  not  move  rearward  too  slowly, perform Step (3) below and go to Step 10 of this Fault. (b)   If   forklift   moves   rearward   too   slowly,   perform Step (3) below and notify DS Maintenance. (3) Shut down engine. 2-319