TM 10-3930-659-20 12-25.    CROSSOVER RELIEF VALVE REPLACEMENT. This task covers: a. Removal b. Installation Initial Setup: Equipment Conditions: Materials/Parts: • Frame  locking bar installed (see TM  10- • Two locknuts 3930-659-10). Tools/Test Equipment: NOTE • General mechanic's tool kit (Item 44, Appendix F) All hoses should be tagged before removal. Refer to paragraph 2-18 for tagging Instruc- References: tions. • TM 10-3930-659-10 • Crossover relief valve-to-steering cylinder hoses and fittings removed (see paragraph 12-11). • Crossover relief valve-to-steering valve hoses and fittings removed (see paragraph 12-12). a. REMOVAL Remove two locknuts (6), washers (5), screws (1), washers (2), crossover relief valve (3), and two spacers (4) from plate (7).  Discard locknuts. TA707600 12-63