2009/05/25 Correction to the Disassembly and Assembly , "Tailgate - Install" {7250, 7271} Caterpillar

Underground Articulated Truck:

AD30 (S/N: DXR357-UP)

Disassembly and Assembly, RENR6919, "AD30 Underground Articulated Truck Machine Systems", "Tailgate - Remove". The Module is part of Service Manual, RENR8521 Volume II.

The information in the above module has changed for AD30 DXR357-UP. Include the following information with the existing information. The existing information is correct for AD30 DXR1-356.

Installation Procedure

Table 1

Required Tools
Tool	Part Number	Part Description	Qty
A	1U-9201	Lever Puller Hoist	1
B	278-6932	Body Lifting Gp (Tailgate)	1
C	5P-0960	Grease Cartridge (Molybdenum)	1

Show/hide table



Illustration 1	g01181385

1. Apply Tooling (C) to the pin bores of tailgate (1) .

2. Install Tooling (A), Tooling (B), a suitable spreader bar and a suitable lifting device to tailgate (1). The weight of tailgate (1) is approximately 405 kg (895 lb). Install tailgate (1) .

Show/hide table



Illustration 2	g01883534

3. Align the bore of the tailgate and the bores of the ejector body. Install pin (3), spacer (4) and bolt (5) .

Show/hide table



Illustration 3	g01882571

4. Connect hose assembly (2) .

5. Repeat Step 3 and Step 4 for the other side.

End By:

a. Install the tailgate cylinders. Refer to Disassembly and Assembly, "Tailgate Cylinder - Install".

b. Separate the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect".