16H Motor Grader Machine Systems Caterpillar

Ripper Lift Cylinder - Remove and Install

Usage:

16H ATS

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A		1/2 by 13 NC by 4 Forcing Screw	2
B	FT-1114	Vacuum Cap	1
ZZ	6V-9509	Plug	2
ZZ	6V-9830	Cap As	2

Start By:

Release the hydraulic system pressure. Refer to Disassembly and Assembly, "Machine Preparation For Disassembly and Assembly".

Note: SERVICE DATA: TOOLING (ZZ) WILL NOT BE IDENTIFIED IN PHOTOGRAPHS IN THE REMOVAL OR THE INSTALLATION. THIS TOOLING IS SHOWN IN ORDER TO ASSIST THE EXPERIENCED SERVICEMAN.

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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.

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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, PERJ1017, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat^® products. Dispose of all fluids according to local regulations and mandates.

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Hydraulic oil pressure can remain in the hydraulic system on this machine after the engine and pump have been stopped. Serious injury can result if this pressure is not released before any service is done on the hydraulic systems. In order to prevent possible injury, release the hydraulic system pressure before working on any fitting, hose, or hydraulic component.
Lower all attachments to the ground before service is started. If the hydraulic system must be serviced, tested, or adjusted with the attachment in the raised position, the attachments and lift cylinders must be supported properly.

Always move the machine to a location away from the travel of other machines. Be sure that other personnel are not near the machine when the engine is running and tests or adjustments are being made.

Install Tooling (B) onto the hydraulic oil tank. Apply 275 kPa (40 psi) to 414 kPa (60 psi).
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Illustration 1 g00931998
Disconnect hose assemblies (1).
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Illustration 2 g00931993
Attach a suitable lifting device to ripper lift cylinder (2). The weight of ripper lift cylinder (2) is approximately 91 kg (200 lb).
Remove bolts (3). Install Tooling (A) in holes (4). Remove bearing trunnion (5).
Repeat Step 4 for the opposite side.
Remove bolts (7) and remove plate (8).
Remove pin (6).
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Illustration 3 g00931999
Remove ripper lift cylinder (2).
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Illustration 4 g00931994
Remove bearings (9) from ripper lift cylinder (2).

Disassembly and Assembly Information

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Table 2
Required Tools
Tool	Part Number	Part Description	Qty
C	127-4904	Repair Stand	1
D	195-4609	Seal Pick	1
E	7M-7456	Bearing Mount Compound	1
F	1P-0808	Multipurpose Grease	1
G	9U-7868	Spanner Wrench	1
G	127-8064	Adjustable Plate	1
H	2P-8301	Seal Guide	1
J	1P-1835	Bearing Puller Adapter	1
	4C-9634	Puller Stud	1
	6V-3170	Double Acting Cylinder	1
	3S-6224	Electric Hydraulic Pump Gp	1
	9U-6832	Nut	1
	5F-7693	Spacer As	1

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Ensure all pressure is relieved before removing a lock valve or disassembling a cylinder.

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Illustration 5	g00931997

(A) Dimension from the face to the center of the grease groove ... 31.75 ± 0.80 mm (1.250 ± 0.032 inch)

(1) Use a 2 and 9/16 inch socket in order to remove the nut.

(1) Torque for nut ... 3000 ± 300 N·m (2213 ± 221 lb ft)

Note: Lubricate the threads with Tooling (F).

(2) Lubricate sealing lips with a thin covering of the lubricant that is being sealed.

(3) Apply Tooling (E) to the seal groove prior to assembling the wiper seal.

(4) Torque for head ... 600 ± 130 N·m (440 ± 95 lb ft)

Note: Lubricate the threads with Tooling (F).

Installation Procedure

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.

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Illustration 6	g00931994

Raise the temperature of bearings (9). Install bearings (9) on ripper lift cylinder (2).
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Illustration 7 g00931999
Attach a suitable lifting device to ripper lift cylinder (2). The weight of ripper lift cylinder (2) is approximately 91 kg (200 lb). Position cylinder (2) on the machine.
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Illustration 8 g00931993
Install pin (6).
Install plate (8) and install bolts (7).
Install bearing trunnion (5). Install bolts (3).
Note: Holes (4) are threaded for Tooling (A).
Repeat Step 5 for the opposite side.
Remove the suitable lifting device from ripper lift cylinder (2).
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Illustration 9 g00931998
Connect hose assemblies (1).
Check the hydraulic oil level. Refer to Operation and Maintenance Manual, "Hydraulic System Oil Level - Check" for the correct procedure.