3-140
Fig. 3.448
Fig. 3.450
Fig. 3.449
(3) Reassembling lift spool section
① Hold the spool (1) in a vise with soft jaws
(pieces of hard wood) shown in Figure 3.448,
with care not to damage its exterior.
Install the “O”-ring (2), wiper (3) and seal
plate (4) to the spool (1).
② Install the spring seats (2) and spring (3) to
the spool (1) and then tighten the cap screw
(4).
18.6 N-m {1.9 kgf-m} [13.7 lbf-ft]
Threads: Hydraulic oil
③ Install the “O”-ring (2), wiper (3) and seal
plate (4) to the valve housing (1), and then
tighten the screw (5).
2.9 N-m {0.3 kgf-m} [2.14 lbf-ft]
Thread: Hydraulic oil
ø14
[ø0.551]
30 - 40
[1.181 -
1.575]
70 - 100
[2.8 - 4.0]
2 - 4
[0.08 -
0.16]
Unit: mm [in.]
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