993K Wheel Loader Machine Systems Caterpillar


Tilt Cylinder - Remove and Install

Usage:

993K Z9K

Removal Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     328-4173     Pusher Bolts     3    
B     318-2124     Puller Sleeve As     1    
6V-2073 Bushing     1    
3S-6162 Hard Washer     2    
6V-0014 Hydraulic Cylinder Gp     1    
9U-6698 Stud Puller     1    
8H-3390 Full Nut     2    
C     6V-2073     Bushing        
3S-6162 Hard Washer        
9U-6698 Stud Puller        
318-2125 Puller Sleeve As        
8H-3390 Full Nut        
6V-0014 Hydraulic Cylinder Gp        
D     320-9698     Alignment Rod     1    
320-4791 Push Plate Assembly     1    
1U-5197 Hydraulic Cylinder Gp     1    

Start By:

  1. Remove the bucket. Refer to Disassembly and Assembly , "Bucket - Remove".

------ WARNING! ------

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.

----------------------


NOTICE

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 Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.

Dispose of all fluids according to local regulations and mandates.


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. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.

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.




    Illustration 1g01524505

    Typical Example

  1. Support the loader arms, as shown.

    Note: The height of the loader arms must give sufficient clearance to access pins in both ends of the tilt cylinder. The height of the bottom of the bucket is approximately 5 m (16 ft).




    Illustration 2g01521267

  1. Remove bolt (1) .



    Illustration 3g01521268

  1. Install Tooling (A) in order to remove collet (2) . Remove collet (2) . Repeat for opposite side.



    Illustration 4g01521269

  1. Attach a suitable lifting device to tilt cylinder (4) and Tooling (B) . The weight of tilt cylinder (4) is approximately 635 kg (1400 lb). Attach Tooling (B) to pin (3) . Remove pin (3) . Retract tilt cylinder (4) . Position cylinder (4) out of the way.



    Illustration 5g01522269

  1. Disconnect hose assemblies (5) .



    Illustration 6g01522276

  1. Remove brackets (6) .



    Illustration 7g01522277

  1. Attach a suitable lifting device to tilt cylinder (4) . The weight of tilt cylinder (4) is approximately 635 kg (1400 lb).



    Illustration 8g01524545

  1. Remove bolt (7) .

  1. Remove collet (8) . Repeat for opposite side.



    Illustration 9g01522279

  1. Attach Tooling (C) and a suitable lifting device in order to remove pin (9) . Remove pin (9) . If pin (9) cannot be removed proceed to step 11.



    Illustration 10g01524574

  1. Install Tooling (D) onto pin (9) . Push pin (9) with Tooling (D) and pull pin (9) with Tooling (C) . Remove pin (9) .

  1. Remove the tilt cylinder.

Disassembly and Assembly Information

Table 2
Required Tools    
Tool     Part Number     Part Description     Qty    
E     4C-4032     Bearing Mount Compound     1    
F     195-4609     Seal Pick     1    
G     127-4904     Hydraulic Cylinder Repair Stand Gp     1    
H     1U-8611     Seal Guide     1    

------ WARNING! ------

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 11g01440192

(10) Lubricate the sealing lip with the lubricant that is being sealed.

(11) Apply Tooling (D) to the groove of the wiper seal.

(12) Lubricate the threads. Torque for the nut 13,500 ± 1,350 N·m (9960 ± 996 lb ft)

Installation Procedure

Table 3
Required Tools    
Tool     Part Number     Part Description     Qty    
J     318-2119     Installation Plate     1    
6V-0113 Double Acting Cylinder     1    
318-2118 Installation Plate     1    
318-2117 Installation Plate     1    
146-1799 Hard Washer     2    
289-0008 Puller Stud     1    
7H-7539 Full Nut     2    
K     320-9698     Alignment Rod     1    
320-4791 Push Plate Assembly     1    
1U-5197 Hydraulic Cylinder Gp     1    
L     316-1752     Pin Positioner     3    
M     318-2119            
146-1799 Hard Washer     2    
289-0008 Puller Stud     1    
7H-7539 Full Nut     1    
318-2118 Installation Plate     1    
318-21187        
6V-0113 Double Acting Cylinder     1    

Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement.




    Illustration 12g01522277

  1. Attach a suitable lifting device to tilt cylinder (4) . The weight of tilt cylinder (4) is approximately 635 kg (1400 lb). Position tilt cylinder (4) .



    Illustration 13g01617753



    Illustration 14g01524008

    Typical Example

  1. Use Tooling (L) in order to position pin (9) . Attach Tooling (J) and a suitable lifting device in order to install pin (9) . Install pin (9) .



    Illustration 15g01524545

  1. Install collet (8) . Repeat for opposite side. Install bolt (7) .



    Illustration 16g01522269



    Illustration 17g01524596

  1. Connect hose assemblies (5) . Extendthe tilt cylinder (4) .

  1. Use Tooling (L) in order to position pin (3) . Install Tooling (K) and a suitable lifting device in order to install pin (3) . Install pin (3) .



    Illustration 18g01524047

  1. Install collets (2) to both sides. Install bolt (1) .



    Illustration 19g01522276

  1. Install brackets (6) .

End By: Install the bucket. Refer to Disassembly and Assembly , "Bucket - Install".

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