TM 10-3930-659-34 4-34. TRANSMISSION SYSTEM PRESSURE CHECK (Con’t). 10. Remove  preformed  packing  (1),  quick  coupler  (2),  and  connector  (3)  from  transmission  oil  pressure  switch  port (4). FOLLOW-ON TASKS: • Install transmission oil pressure switch (see TM 10-3930-659-20). • Install right transmission side guard (see TM 10-3930-659-20). • Remove frame locking bar (see TM 10-3930-659-10). TA70821 6 4-145