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1.
Spool (Lift arm Hi)
2.
Spool (Bucket Hi)
3.
Spool (Lift arm)
4.
Spool (Bucket)
No.
Check item
5 Spool return spring
6 Spool return spring
7 Spool return spring
8 Spool return spring
9 Spool return spring
10 Spool return spring
WA500-6
9
Standard size
Free length
Installed
x Outside
length
diameter
54.5 x 34.8
53.5
54.2 x 34.8
53.5
51.6 x 33.0
47.0
54.9 x 24.2
54.5
66.9 x 36.1
65.5
53.2 x 22.3
33.0
Criteria
Repair limit
Installed
Free
load
length
121 N
—
{12.3 kg}
94.1 N
—
{9.6 kg}
245 N
—
{25.0 kg}
{20.0 kg}
33.4 N
—
{3.4 kg}
108 N
—
{11.0 kg}
274 N
—
{27.9 kg}
{22.3 kg}
Hydraulic system
Control valve
Unit: mm
Remedy
Installed
load
96.1 N
{9.8 kg}
77.5 N
If damaged or
{7.7 kg}
deformed,
196 N
replace spring
26.5 N
{2.7 kg}
86.3 N
{8.8 kg}
219 N
10-9
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