TM 10-3930-659-20 7-10. TRANSMISSION CLUTCH CUTOFF VALVE PRESSURE TEST (Con’t). 11. Disengage transmission clutch cutoff switch (1, and press down on left brake pedal (see TM 10- 3930-659-10). 12. Note  pressure  reading  on  pressure  gage  (6).    Reading  should  be  approximately  2350  psi  (16203  kPa).    If pressure reading is 0 (zero), replace valve body (see paragraph 7-11). NOTE Forklift truck must not move while transmission is shifted through various speed ranges. 13. Move speed range selection lever through all speed ranges (see TM 10-3930-659-10).  If transmission does not disengage, replace transmission clutch cutoff valve (see paragraph 7-11). 14. Release left brake pedal (see TM 10-3930-659-10).  If pressure reading on pressure gage (6) does not drop to 0 (zero), replace solenoid valve (see paragraph 7-11). 15. Shut down engine (see TM 10-3930-659-10). 16. Remove pressure gage (6) and hose (7) from adapter (11). 17. Remove hose (4) from tee (8). 18. Remove tee (8) from transmission control valve (5). 19. Install hose (4) on transmission control valve (5). 20. Remove two adapters (10 and 11) and preformed packings (9) from tee (8).  Discard preformed packings. TA707339 7-28