SCREEN 9B4823 2F7290 - Caterpillar

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Remove bolt (3) from pivot pin assembly (4) .
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Typical Example
Attach Tooling (B) to pivot pin assembly (4). Remove pivot pin assembly (4) .
Use the hoist to lower the cylinder to the machine.
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Remove bolt (5) from pivot pin assembly (6).
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Typical Example
Attach Tooling (B) to pivot pin assembly (6). Remove pivot pin assembly (6) .
Remove the boom cylinder from the machine. The weight of the boom cylinder is approximately 75 kg (165 lb).Disassembly and Assembly Information
Table 2
Required Tools    
Tool     Part Number     Part Description     Qty    
C     127-4904     Repair Stand     1    
D     195-4609     Seal Pick     1    
E     1P-0808     Multipurpose Grease     1    
F     1P-1861     Retaining Ring Pliers     1    
G     9U-7868     Spanner Wrench     1    
127-8064 Adjustable Plate     1    
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(1) Use a 55 mm socket to remove the bolt. (2) Apply Tooling (E) to the threads. Torque for the head ... 600 130 N m (440 95 lb ft) (3) Assemble the fracture planes at 90 degrees away from the centerline of the cylinder. (4) Lubricate the sealing lips with a minimal amount of the lubricant that is being sealed.Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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Attach a suitable lifting sling and a hoist to the rod end of the boom cylinder. Use the hoist to place the boom cylinder in position on the machine. The weight of the boom cylinder is approximately 75 kg (165 lb).
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Align the holes for pivot pin assembly (6). Install pivot pin assembly (6). Install bolt (5) .
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Use the hoist to raise the rod end of the cylinder into position. Align the holes for pivot pin assembly (4). Install pivot pin assembly (4). Install bolt (3) .
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Connect hose assemblies (1) and (2) to the boom cylinder.
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Typical Example
Remove Tooling (A) from the boom.