f. H o s e s , L i n e s , a n d F i t t i n g s.

INSTALLATION (SHEET 2 OF 2) - TM-5-3805-262-20_783

f. H o s e s , L i n e s , a n d F i t t i n g s. CONT

TM-5-3805-262-20 Loader Scoop Type DED 4x4 Articulated Frame Steer 2-1/2 Cubic Yard (J.I. Case Model MW24C) Manual
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TM 5-3805-262-20 7-3. AIR BRAKE SYSTEM MAINTENANCE (CONT) f. H o s e s , L i n e s , a n d F i t t i n g s. (1) Inspection. This task covers inspection of air brake system hoses, lines, a n d f i t t i n g s. TOOLS: No. 1 Common Organizational Maintenance Tool Kit Fixed open end wrench set MATERIALS/PARTS: Clean cloths (Appendix C, item 1) Detergent (Appendix C, item 3) NOTE PRELIMINARY PROCEDURE: Front access door unlocked and opened and engine side panels removed (page 9-14). INSPECTION (SHEET 1 OF 2) I n f o l l o w i n g s t e p s , o 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 l l a ir pressure before disconnecting hoses o r t u b e s . F a i l u r e t o d o s o c o u ld cause serious injury. (a) Check that elbows and tee installed in parking brake valve are tight. If necessary, disconnect hose (1) or tube (2), tighten elbow or tee and re- connect hose or tube. (b) In cab, beneath right-hand instrument panel at parking brake valve, check that hose (1) and tube (2) connections to fittings are tight. (c) Check hose (1) and tube (2) for cracks, s p l i t s , c h a f i n g , o r d e t e r i o r a - tion. If any of these conditions are seen, replace hose or tube (page 7-74). (d) At front of loader, above hydraulic reservoir, at declutch treadle and v a l v e , c h e c k t h a t f i t t i n g s , e l b o w s, and pilot valve (8) are tight and not loose. If necessary, disconnect hose (1, 3, 4, 6, or 7) or tube (2 or 5), tighten fitting, elbow, or pilot valve, and reconnect hose or t u b e . (e) Check that hose (1, 3, 4, 6, and 7) and tube (2 and 5) connections at declutch treadle and valve are tight and not loose. (f) Check hoses (1, 3, 4, 6, and 7) and tubes (2 and 5) for cracks, splits, c h a f i n g , o r d e t e r i o r a t i o n . If any of these conditions are seen, replace hose or tube (page 7-74). (g) Check that plugs installed in declutch treadle and valve body are tight and not loose or missing. If plugs are missing, refer to page 7-82 to i n s t a l l . 7-70

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