HYDRAULIC AR 2030761 - Caterpillar

Disassembly Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     1U-9901     Hydraulic Cylinder Repair Stand     1    
3S-6224 Hydraulic Pump     1    
B     8T-5245     Torque Multiplier     1    
1P-0851 Spline Adapter     1    
1P-0852 Male Adapter     1    
5S-6082 Impact Socket (3 1/8 inch)     1    
C     9U-6600     Manual Pump     1    
6V-3160 Hydraulic Puller     1    
5F-7366 Forcing Screw (1 inch by 14 by 13 1/4 inch)     1    
5P-2145 Adapter (Bearing Puller)     1    
1A-1935 Nut (1 inch by 14)     1    
3K-5234 Washer (1 inch)     1    Start By:
Remove the bulldozer tilt cylinder. See the procedure in Disassembly and Assembly, "Bulldozer Tilt Cylinder - Remove" in this module.
Illustration 1 g00614036
Place tilt cylinder (3) on Tooling (A). The tilt cylinder weighs approximately 125 kg (275 lb). Mark the tilt cylinder and cylinder head (2) for correct assembly.
Remove bolts (1) that fasten the cylinder head to the tilt cylinder.
Use Tooling (A) in order to separate the tilt cylinder from cylinder rod (4) and from cylinder head (2) .
Use Tooling (B) in order to remove nut (15) from the end of cylinder rod (4). Remove Tooling (B) and the nut.
Remove piston (5) from the cylinder rod.
Remove washer (6) from piston (5) .
Remove wear ring (8) and seal (7) from the piston.
Remove O-ring seal (10) and backup ring (9) from head (2) .
Use Tooling (A) in order to position tilt cylinder (3) on cylinder rod (4) and on head (2) .
Install two bolts (1) that fasten cylinder head (2) to tilt cylinder (3) .
Use Tooling (A) in order to separate the tilt cylinder with head (2) from the cylinder rod.
Remove two bolts (1). Use Tooling (A) in order to separate head (2) from the tilt cylinder.
Remove seals (11), (12), and (13) from head (2) .Note: In order to prevent distortion of the tilt cylinder, place a piece of bar stock across the space between the bearings during removal.
Use Tooling (C) in order to remove bearings (14) from the tilt cylinder.