DOC-20230111-WA0038.

UPPERSTRUCTURE / Control Valve
17. Install O-rings (59) (2 used) to plugs (58) (2 used).
Install poppets (61) (2 used), springs (60) (2 used)
and plugs (58) (2 used) into housing (8).
: 24 mm
: 88 to 98 N⋅m
(9 to 10 kgf⋅m, 65 to 72 lbf⋅ft)
IMPORTANT: Apply LOCTITE #271 to the screws
on spool ends (22).
18. Attaching wooden pieces to both sides of spools
(4) to (7) and (15) to (19), secure each spool in a
vise. Install spring seat (23), spring (24), spring
seat (23) and spool end (22) to each of the
spools.
:5 mm
: 19 to 22 N⋅m
(1.9 to 2.2 kgf⋅m, 13.5 to 16 lbf⋅ft)
NOTE: Spring (24) can be compressed by hand.
19. Install spools (4) to (7), (15) to (19) into housing
(8). Install O-rings (3) (9 used) and cover (2) to
the housing. Secure the cover with socket bolts
(1) (3 used) and (12) (8 used).
:5 mm
: 8.8 to 10.8 N⋅m
(0.9 to 1.1 kgf⋅m, 6.5 to 8.0 lbf⋅ft)
20. Install O-rings (3) (9 used) and cover (9) to
housing (8). Secure the cover with socket bolts
(12) (11 used).
:5 mm
: 8.8 to 10.8 N⋅m
(0.9 to 1.1 kgf⋅m, 6.5 to 8.0 lbf⋅ft)
NOTE: Refer to page W2-5-3 for socket bolts (12).
W2-5-23