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.
This task covers removal, cleaning, inspection, repair, and
i n s t a l l a t i o n o f a i r b r a k e s y s t e m h o s e s , l i n e s , a n d f i t t i n g s .
TOOLS: No. 1 Common Organizational Maintenance Tool Kit
Socket wrench set, 3/8 inch drive
Fixed open end wrench set
Air compressor equipped with pressure regulator
MATERIALS/PARTS: Clean cloths (Appendix C, item 1)
Cleaning solvent P-D-680 (Appendix C, item 2)
Detergent (Appendix C, item 3)
Tie straps (FSCM 10988 PN L18331)
Tie straps (FSCM 06383 PN SST2S0)
PRELIMINARY PROCEDURE: Pressure protection valve removed (page 7-64),
e n g i n e s i d e p a n e l s r e m o v e d ( p a g e 9 - 1 4 ) , a n d b a t t e r y g r o u n d c a b le
disconnected (page 5-148).
REMOVAL (SHEET 1 OF 3)
To aid installation, tag and identify all hoses and lines before discon-
necting and removing.
( a )
( e )
( f )
( i )
( j )
( l )
Disconnect hose (1) from hydraulic reservoir.
Disconnect hose (1) from elbow (2). Remove hose from loader.
Remove elbow (2) from pressure reducing valve (4).
Remove pressure relief valve (3) from pressure reducing valve (4).
Remove pressure reducing valve (4) from tee (5).
Remove tee (5) from adapter (6).
Remove adapter (6) from pressure protection valve.
Disconnect hose (8) from elbow (7).
Remove elbow (7) from pressure protection valve.
Disconnect hose (8) from elbow (9). Remove hose from loader.
Remove elbow (9) from brake treadle and valve.
Disconnect hose (45) from tee (10).
Disconnect hose (48) from tee (10).
Remove tee (10) from double check valve and stop light switch (12).