CAGE 1381497 - Caterpillar

Disassembly Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
(A)     125-0079     Hydraulic Cylinder Repair Stand     1    
152-4249 Hydraulic Cylinder Repair Stand (1)     1    
(B)     4C-8092     Universal Wrench     1    
Secondary Tools (2)    
    3S-6224     Electric Hydraulic Pump (115 Volt) (3)     1    
8T-0820 Pressure Gauge     1    
3B-7722 Bushing     2    
1P-2377 Plug     2    
8F-0024 Hose     2    
4C-4465 Adapter     1    
1P-0851 Spline     1    
4C-4477 115 mm Socket     1    
( 1 ) CE Compliant
( 2 ) The secondary tools are used with the Wolff Hydraulic Cylinder Repair Stand. If a hydraulic repair stand is not available to disassemble the stick cylinder, consult the Caterpillar Service Technology Group.
( 3 ) 8S-8033 Electric Hydraulic Pump (230 Volt) is available.Start By:
Remove the stick cylinder. Refer to Disassembly and Assembly, "Stick Cylinder - Remove" in this manual.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g00737356
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
Place the stick cylinder on Tooling (A). The weight of the stick cylinder is 317 kg (700 lb).
Remove any hydraulic oil supply lines that may be attached to the stick cylinder.
Remove fitting (2) from rod (1) .
Remove bolts (10) that secure head (6)