CAGE 4B7939 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Vacuum Gauge Gp 1
B - Loctite 263 - Start By:
Release the hydraulic system pressure.
Personal injury can result from hydraulic oil pressure and hot oil.Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system.Make sure all of the work tools have been lowered to the ground, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.
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.
Remove the cap from the hydraulic tank. Install Tooling (A) onto the hydraulic tank. Attach an air supply hose to Tooling (A). Apply 276 to 414 kPa (40 to 60 psi) of air. This procedure will pull vacuum on the hydraulic system.
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Remove bolt (2). Loosen clamp (3) and disconnect tube assembly (1). Repeat for the remaining tube assemblies.
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Remove straps (5) and disconnect harness assembly (4).
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Loosen clamps (6) and disconnect hoses (7).
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Disconnect hose assemblies (8).
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Remove bolts (10) and fan guards (9).
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Attach suitable lifting device to fan support assembly (11). The weight of fan support assembly (11) along with the fan and the motor is approximately 110 kg (243 lb). Remove bolts (12) and fan support assembly (11) along with the fan and the motor.
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Remove bolts (14) and the spacer.
Remove bolts (15) and the washers. Remove fan assembly (13).
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Remove fan adaptor (16).
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Remove bolts (17) and fan motor (18).Installation Procedure
Install the fan motor and fan in the reverse order of removal.
Apply Tooling (B) the threads of bolt (14).