 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|
 TM 5-2420-224-34
BACKHOE CONTROL VALVE, SWING SECTION VALVE REPAIR (CONT)
1 8 . COMPRESS SPRING (34) and REMOVE
retaining RING (35).
19. SLOWLY RELEASE SPRING (34) and
REMOVE retainer (36), SPRING (34), and
retainer (37) from spool (24).
1.
Check secondary relief valve spring length.
Free length is 1.785 in. (45.3 mm);
compressed length is 1.51 in. (38.4 mm) at
137 16 lb (627.25 kg).
2.
Check spool spring length. Free length is
2.27 in. (57.6 mm); compressed length is
0.87 in. (22 mm) at 35 2.1 lb (15.9 1 kg).
I f either spring does not meet length
3.
requirements above, replace spring.
NOTE
A p p l y coat of lubricating oil to
packings and seal prior
to
assembly.
I N S T A L L retainer (1), SPRING (2), and
1.
retainer (3) on spool (4).
C O M P R E S S SPRING (2) and INSTALL
2.
retaining RING (5).
INSTALL new packing (6) and new SEAL (7).
3.
TAP SEAL with soft-faced hammer until it is
even with the top.
20-55
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals