TM 10-3930-669-20 PRESSURE TEST AND STE/ICE-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   (5)   and   (6)   below   and   adjust engine idle speed (Para 4-7). (b) If 625 to 750 rpm is displayed, perform Steps (7) through (9) 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)  Release  parking  brake  (TM  10-3930-669- 10). (2)   Place   transmission   control   lever   in   the forward   position   and   observe   forklift   forward movement (TM 10-3930-669-10). (a)  If  forklift  does  not  move  forward  too slowly, perform Step (3) below and go to Step 10 of this Fault. (b)   If   forklift   moves   forward   too   slowly, perform     Step     (3)     below     and     notify     DS Maintenance. (3) Shut down engine (TM 10-3930-669-10). 2-307