TM  10-3930-643-34 TRANSMISSION  TROUBLESHOOTING  AND  MAINTENANCE.  (cont) 6-2. Transmission  Troubleshooting.  (cont) MALFUNCTION TEST  OR  INSPECTION CORRECTIVE  ACTION k. CLUTCH PRESSURE CHECK AT FULL POWER STALL. (cont) Step  2. Remove cap from pressure tap and attach pressure gage, as shown. Step 3. Run  engine  and  transmission  until  normal  operating  temperatures are  obtained,  refer  to  TM  10-3930-643-10. Step 4. Operate vehicle under full power stall. Read pressure gage. Clutch pressure should be 270-310 psi. Step 5. Place vehicle in park, apply parking brake and shut engine off. Step 6. Remove pressure gage and install cap on pressure tap. 6-10