Caterpillar cat m80d 3648 volt 7fg00600 service repair manual sn:a1ec4 60001

Page 9

HYDRAULIC SYSTEM Duplex Mast Second Lift Cylinders (H40A)

* * * 8

7

*

6 5

9

4

• •

1

3 18 17

2

16

14 12 11 10 13 15

• • • • •

Parts marked with * are included in the seal kit.

1 2 3 4 5 6

7 8 9 10 11 12

Cylinder tube Piston rod Cylinder head Bushing Holder U-ring

206949

Backup ring Wiper ring O-ring Piston Slide ring Set screw

13 14 15 16 17 18

Check valve Cushion spool Spring Snap ring Steel ball Set screw

Triplex Mast Second Lift Cylinders (J40A)

* 6

* 5

3

* 7

4

2

1

16

11

12 10

* * 9

Parts marked with * are included in the seal kit.

1 2 3 4 5 6

Cylinder tube Piston rod Cylinder head Bushing U-ring Wiper ring

7 8 9 10 11 12

8

15 14

13

207778A

O-ring U-ring Backup ring Bushing Spring guide Spring 1-4

13 14 15 16

Cushion spool Pin Snap ring Spacer


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