82410 • 82710 • 82910 WSM, 12271
8 HYDRAULIC SYSTEM
29.4 to 49.0
N·m
Tightening torque Plug 1
3.0 to 5.0 kgf·m
21.7 to 36.2 ft-Ibs
Poppet 1
1. Remove the plug 1 (3), and draw out the poppet 1 (2) and spring
(1
).
(When reassembling)
• Take care not to damage the O-ring.
12010P80300
(1)
Spring
(2)
Poppet 1
(3) Plug 1
12010880230
Poppet 2 and Unload Poppet
1. Remove the plug 3 (4), and draw out the poppet 2 (5) and spring
(6).
2. Remove the plug 2 (1), and
draw
out the unload poppet (3) and
spring (2).
(When reassembling)
• Take care not to damage the O-ring.
39.2 to 58.8 N·m
Plug 3
4.0 to 6.0 kgf·m
28.9 to 43.4 ft-Ibs
Tightening torque
29.4 to 49.0
N·m
Plug 2
3.0 to 5.0 kgf·m
21.7 to 36.2 ft-Ibs
SERVICING
(1)
Plug 2
(2)
Spring
(3)
Unload Poppet
(4) Plug 3
(5) Poppet 2
(6) Spring
12010880240
2010P80320
Hydraulic Cylinder Bore
1. Check the cylinder internal surface for spring or damage.
2. Measure the cylinder 1.0. with a cylinder gauge.
3.
If the measurement exceeds the allowable limit, replace the
hydraulic cylinder block.
Factory spec.
70.05 to 70.10 mm
2.7579 to 2.7598 in.
Cylinder
1.0.
70.15
mm
Allowable limit
2.7618 in.
12010880250
8-S13
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