PANEL AS 4166152 - Caterpillar

Removal Procedure
Start By:
Release the pressure in the hydraulic system.
Cylinders equipped with lock valves can remain pressurized for very long periods of time, even with the hoses removed.Failure to relieve pressure before removing a lock valve or disassembling a cylinder can result in personal injury or death.Ensure all pressure is relieved before removing a lock valve or disassembling a cylinder.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes.
Illustration 1 g00810542
Position the felling head into a horizontal position, as shown.
Illustration 2 g01148472
Attach a suitable lifting device to boom cylinder (5) , as shown. Remove grease line (1) from the rod end of the boom cylinder. Remove bolts (2) and plate (3) .
Push pin (4) (not shown) from boom cylinder (5) into the boom.
Start the machine and retract the boom cylinder. Lower the rod end of the boom cylinder onto the frame of the machine.
Illustration 3 g01148502
Disconnect hose assemblies (6) and (7) . Disconnect clamp (8) .
Illustration 4 g01148505
Attach an additional suitable lifting device to boom cylinder (5) . Remove bolt (9) and pin assembly (10) . Remove boom cylinder (5) . The weight of the boom cylinder is approximately 227 kg (500 lb).Disassembly and Assembly
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     152-4252     Repair Stand     1    
B     195-4609     Seal Pick     1    
C     4C-4032     Bearing Mount Compound        
D     5P-0960     Molybdenum Grease        
E     9U-5337     Bearing Puller Adapter     1    
4C-9634 Puller Stud     1    
9U-6832 Full Nut     1    
9S-5564 Pin Puller Sleeve As     1    
6V-3175 Double Acting Cylinder     1    
350-6224 Pump Group Hydraulic     1    
F     1P-0520     Driver Gp     1    
Cylinders equipped with lock valves can remain pressurized for very long periods of time, even with the hoses removed.Failure to relieve pressure before removing a lock valve or disassembling a cylinder can result in personal injury or death.Ensure all pressure is relieved before removing a lock valve or disassembling a cylinder.
Illustration 5 g01026707
(1) Torque for the nut ... 7600 380 N m (5605 280 lb ft) (2) Torque for the bolts ... 460 60 N m (340 45 lb ft) (3) and (4) The distance from the edge of the bearing to the edge of the eye ... 3.500 0.3 mm ( 0.1378 .0118 inch) Apply Tooling (D) to the seals (5) . Lubricate the seals (6) with the lubricant that is being sealed.Installation Procedure
Install boom cylinder (5) in the reverse order of removal.