TM 10-3930-659-20 12-28.    PRIORITY VALVE AND MOUNTING PLATE REPLACEMENT (Con't). 2. Remove  four  nuts  (1),  washers  (2),  spacers  (3),  screws  (6),  washers  (5),  and  mounting  plate  (4)  from  forklift truck. b. INSTALLATION 1. Install mounting plate (4) on forklift truck with four washers (5), screws (6), spacers (3), washers (2), and nuts (1). 2. Install two spacers (10) and priority valve (7) on mounting plate (4) with two washers (8), screws (9), washers (11), and nuts (12). FOLLOW-ON TASKS: • Install priority valve-to-steering valve hose and fittings (see paragraph 12-10). • Install priority valve-to-secondary steering manifold hose and fittings (see paragraph 12-9). • Install priority valve-to-main hydraulic pump line and fittings (see paragraph 12-8). • Install hydraulic oil return tube and fittings (see paragraph 12-7). • Install priority valve-to-hydraulic reservoir return hose and fittings (see paragraph 12-6). • Fill hydraulic reservoir with hydraulic fluid (see TM 10-3930-659-10). • Perform priority valve relief pressure test and adjust as necessary (see paragraph 12-27). • Install right transmission side guard (see paragraph 14-7). • Remove frame locking bar (see TM 10-3930-659-10). TA707609 12-72