Loader Bobcat 773. Manual — part 16
TS–01097
HYDRAULIC CYLINDER IDENTIFICATION
Lift Cylinder Components
1.
Case
2.
Piston
3.
Head
4.
Rod
5.
Spacer
6.
O–ring
7.
Nut
8.
Ring
9.
O–ring
10.
O–ring
11.
Washer
12.
Seal
13.
Seal
14.
Plug
15.
O–ring
16.
Tube
5
9
8
2
7
14
15
16
15
14
1
6
4
13
12
3
11
10
–2–10–
773 BICS Loader
Service Manual
TS–01127
HYDRAULIC CYLINDER IDENTIFICATION (Cont’d)
Tilt Cylinder Components
1.
Case
2.
Piston
3.
Head
4.
Rod
5.
Nut
6.
Seal
7.
O–ring
8.
O–ring
9.
Washer
10.
O–ring
11.
Seal
12.
Seal
13.
Bushing
14.
Tube
15.
O–ring
16.
Plug
17.
Clamp
18.
Nut
15
1
18
5
14
17
2
6
7
8
9
10
4
12
11
3
16
13
13
MC–01688
MC–01688
Revised June 01
773 BICS Loader
–2–11–
Service Manual
HYDRAULIC CYLINDERS
Disassembly
Tools necessary for the disassembly/assembly
procedures:
MEL1074 – O–ring Seal Hook
MEL1075 – Adjustable Gland Nut Wrench
MEL1396 – Seal Installation Tool
MEL1033 – Rod Seal Installation Tool
Piston Ring Compressor
NOTE: The drawings may not show the cylinder
exactly as it appears, but the procedure is
correct for all cylinders.
See the Service Manual for your model loader to find the
correct information for removing and installing the
cylinder.
Put the base end of the hydraulic cylinder in a drain pan.
Move the rod in and out to remove the fluid from the
cylinder. Move the rod slowly so the fluid will go directly
into the drain pan.
Put the base end of the cylinder in a vise.
Use the adjustable gland nut wrench to loosen the head
[A].
Remove the rod assembly from the cylinder case [B].
Remove the cylinder case from the vise.
Put the rod end in the vise.
Remove the nut from the piston end of the rod [C].
Pull the piston off the rod (Item 1) [D].
Pull the head (Item 2) [D] off the rod.
A
B–07000
C
B–07002
D
B–07003
2
1
–2–12–
773 BICS Loader
Service Manual
B
B–07001
HYDRAULIC CYLINDERS (Cont’d)
Disassembly (Cont’d)
If the head has a seal, remove the seal from the head [A].
Remove the O–ring and back–up washer from the head
[B].
Remove the wiper seal [C].
Remove the oil seal from the head [D].
Revised June 01
A
B–07004
C
B–07005
D
B–07006
773 BICS Loader
–2–13–
Service Manual
B
B–07199
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