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SPACER 4Z8666 - Caterpillar

4Z8666 SPACER Caterpillar parts SPACER
Alternative (cross code) number:
Caterpillar 4Z8666 SPACER
Weight: 12 pounds 5 kg.

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Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 8S-7610 Base 1
396-9840 Cylinder 1
350-7768 Electric Hydraulic Pump (115V) 1
350-7769 Electric Hydraulic Pump Gp (230V) 1
8S-7615 Pin 1
B 155-3597 Wheel Chock 2 Start By:
Install the steering frame lock.
Personal injury or death can result from improper lifting or blocking.When a hoist or jack is used to lift any part or component, stand clear of the area. Be sure the hoist or jack has the correct capacity to lift a component. Install blocks or stands before performance of any work under a heavy component.Approximate weights of the components are shown. Clean all surfaces where parts are to be installed.
Personal injury can result from driveline torque windup under load.Unequal wheel speed can result in driveline torque windup which can cause driveline components to be under load during disassembly.Relieve the driveline torque windup before disassembly.
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, "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.
Install Tooling (B) to stabilize the machine.
Illustration 1 g00763121
Use tooling (A) in order to raise the front axle until one of the wheels clears the ground. This will release the driveline torque windup in the drive train. Lower the front axle and remove Tooling (A).
Illustration 2 g03860120
Mark the orientation of front drive shaft (2). The weight of front drive shaft (2) is approximately 32 kg (70 lb). Remove eight bolts (1). Use two people and remove front drive shaft (2). Installation Procedure
Install front drive shaft (2) in the reverse order of removal.
Inspect front drive shaft (2) for damage and replace any parts as needed.
Position front drive shaft (2) and align keyways. Tighten eight bolts (1) to a torque of 135 20 N m (100 15 lb ft).

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