S0705010
Page 3
Cylinders
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GENERAL DESCRIPTION
The machine contains boom cylinders, buckets cylinders and steering cylinders. Each cylinder contains a
cylinder tube, piston rod, piston, and cylinder head. See Figure 1. The piston is held to piston rod by a nut.
A dust seal protects the U-ring and oil seal from dirt and also prevents oil from leaking out of the cylinder.
Figure 1
Reference
Number
Description
1 Retaining Ring
2 Dust Seal
3 U-Ring
4 Seat O-ring
5 Port (A)
6 Cushion Plate
7 Wear Ring
8 Piston Nut
9 Port (B)
10 Seal O-ring
11 Piston
12 Spring
13 Cylinder Tube
14 O-ring, Backup Ring
15 Bushing
16 Cylinder Head
17 Bolt
18 Piston Rod
Reference
Number
Description
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