TM 5-3805-262-20O p e n a i r r e s e r v o i r d r a i n v a l v e t o r e l i e v e a i r s y s t e m p r e s s u r e b e f o r ed i s c o n n e c t i n g h o s e s , t u b e s, or lines. Failure to do so could result inserious injury. If you are injured, obtain medical aid immediately.NOTEWhen performing following steps, plug and cap hoses and fittings whendisconnected or removed to prevent dirt or other contaminants from en-t e r i n g a i r s y s t e m.(1)(2)( 3)(4)(5)(6)(7)( 8)( 9)(10)(11)(12)(13)Push in and pull out parking brake valve to relieve air pressure in park-ing brake system.Using hammer and drive pin punch, remove roll pin (1) from knob (2) onparking brake valve (10).Pull knob (2) from parking brake valve (10) stem.Hold parking brake valve (10) in place and remove nut (3). Lower parkingbrake valve from bottom of instrument panel just enough to gain access towiring, switches, and hose and tube connections.Remove pressure switch (page 5-51).Remove parking brake switchTag, loosen, and disconnecttreadle and valve tube fromTag, loosen, and disconnectTag, loosen, and disconnect(page 5-51).brake treadle and valve hose and brakeparking brake valve (page 7-74).parking brake chamber hose from tee (4).windshield washer hose from tee (4).Remove parking brake valve (10), tees (4, 6, and 8), and elbows (5, 7,and 9) from loader as an assembly.Remove tee (4), elbow (5), and tee (6).Remove elbow (7) and tee (8).Remove elbow (9).7-13
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