TM 10-3930-669-20 WARNING • Allow transmission to cool before performing maintenance.  If necessary, use insulated pads and gloves. • Transmission oil is slippery and can cause falls.  To avoid injury, wipe up spilled oil with rags. VISUAL INSPECTION Check  transmission  oil  level  (TM  10-3930-669- 10). (a)  If  transmission  oil  level  is  OK,  Go  to Step 5 of this Fault. (b) If transmission oil level is low, add oil to correct level. PRESSURE TEST AND STEACE-R #10 (1) Remove cap from tachometer drive. (2) Remove floor plate (Para 15-12). (3) Remove plug from transmission. (4)  Power  up  STE/ICE-R  VTM  in  the  TK  mode (TM 9-4910-571-12&P). (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   (8)   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. 2-315