11-3. LINES AND FITTINGS MAINTENANCE (CONT)
c. Control Valve Assembly to Loader Bucket Assembly.
This task covers removal,
c l e a n i n g , i n s p e c t i o n , a n d i n s t a l l a t i o n o f h o s e s , l i n e s,
and fittings located between
control valve assembly and loader bucket assembly.
TOOLS: No. 1 Common Organizational Maintenance Tool Kit
Fixed open end wrench set
Socket wrench set, 3/8 inch drive
MATERIALS/PARTS: Clean cloths (Appendix C, item 1)
Cleaning solvent P-D-680 (Appendix C, item 2)
Detergent (Appendix C, item 3)
Hydraulic oil (Appendix C, item 13)
0-rings, two (FSCM 10988 PN 218-5010)
PRELIMINARY PROCEDURE: Engine right side panels removed (page 9-14) and
hydraulic reservoir drained (page 11-79).
REMOVAL (SHEET 1 OF 3)
To prevent foreign matter from entering hydraulic system, plug and cap
tubes and hoses disconnected or removed in following steps.
I n f o l l o w i n g s t e p s,
i d e n t i f y a n d t a g a l l h o s e s a n d l i n e s b e f o r e d i s-
connecting and removing to aid in installation.
At right side of loader, loosen and disconnect hose fitting (l).
At left side of loader, loosen and disconnect hose fitting (2).
At control valve assembly,
loosen and disconnect two tube fittings (3 and
A t l e f t o r r i g h t s i d e o f l o a d e r,
loosen and remove nut (5), lock washer
(6), and capscrew (7). Remove clamp (8).
Repeat step (4) above to remove clamp (8) on opposite side of loader.
Remove tubes (9 and 10) from loader.
If necessary, remove two fittings (11) and 0-rings (12) from control
valve assembly ports. Discard 0-rings.