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PUMP AS 1246645 - Caterpillar

1246645 PUMP AS Caterpillar parts PUMP
Alternative (cross code) number:
Caterpillar 1246645 PUMP AS

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5P8639 Press Group
Parts in the 5P8639 Press Group are: 1 - Base Plate2 - Hydraulic Cylinder Mounting Plate3 - Pin4 - Pusher5 - 5P8642 Clamp Pin6 - Legs7 - 5P9725 Hydraulic Cylinder Group8 - 5P8640 Bar Clamp9 - 5P8641 Bar Clamp10 - 5P8643 Post11 - Bolt12 - Nuts13 - Lock Ring5P8655 Tool Group
A - Standard type connecting rod Tools For Use On Taper Type Connecting Rod
1-5P8653 Adapter
2-6V2049 Adapter
3-5P8650 Adapter
4-5P8646 Adapter
5-6V3042 Adapter
6-6V4819 Spacer
7-5P8645 Adapter
8-5P8649 Adapter
9-6V3043 Spacer
10-6V3197 Spacer
11-5P8647 Spacer
12-5P8651 Spacer
13-6V3029 Spacer These tools are not part of any tool group. They must be ordered separately.
A - Taper area of connecting rod Additional Tools Needed
See the chart for additional tools needed for use with the tool groups.When some connecting rods are installed on the press group, the connecting rod part number must be put in a specific position, for removal and/or installation of a piston pin bearing. Use the charts that follow for a quick reference for the correct position of the connecting rod part number, and the tools needed according to the engine model and type of connecting rod. For those connecting rods in the chart that do not have a specific position for the part number, the connecting rod can be installed on the press group with the part number in either the "up" or "down" position. Assembly Of 5P8639 Press Group
1. Install 5P8643 Post Assembly (1) on base plate (2) as shown, and fasten it in position with bolt (3). 2. To operate the press group from the right side, install legs (4) in holes (A), (B) and (C), then install plate (5) and nuts (6) as shown. 3. To operate the press group from the left side, install legs (4) in holes (B), (C) and (D), then install plate (5) and nuts (6) as shown. 4. Put lock ring (7) on 5P9725 Cylinder (8), then turn the threads of cylinder (8) into plate (5). Tighten the setscrew in lock ring (7).5. Use bolt holes (E) to fasten the press group to a work bench.Removal And Installation Of Piston Pin Bearings - Tapered Connecting Rods
1. Heat the connecting rod in an oven to a temperature of 177°-204° C (350°-400° F). Never use a direct flame to heat a connecting rod. Be sure to remove the connecting rod bearings (bearings at crankshaft end of connecting rod), before the connecting rod is put in the oven. 2. Put the correct spacer (1) in base plate (2). For easier installation of spacer (1), lift ejector pin (3) far enough to put the spacer in alignment with the bore in base plate (2). 3. Put connecting rod (4) on base plate (2) so post assembly (5) is in the center of the piston pin bearing. Install pin (6) so it is in the center of the bore for the main bearing. 4. Install the correct adapter (7) and put hole (A) in alignment with hole (B) in the base plate. 5. Install the correct clamp bar (8) and clamp pin (9).

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