HUB-RING GEAR 2391253 - Caterpillar

Valves
Illustration 1 g00360772
Assembled tools
The removal and the installation of the valves is easier with the use of the following tools:
Table 1
Tools Needed Quantity
8T-2679 Valve Guide Rod 1
8T-3108 Compression Plate 1
8T-3109 Retaining Plate 1
1D-4720 Nut 2
5P-5247 Hydraulic Puller 1
1U-5230 Hand Hydraulic Pump 1 Valve Seat Inserts
The removal of the valve seat inserts is easier with the use of the following tools:
Table 2
Tools Needed Quantity
9U-5096 Bridge Assembly 1
130-1449 Valve Seat Puller 1
5P-5247 Hydraulic Puller 1
1U-5230 Hand Hydraulic Pump 1 Use the following procedure in order to install the inlet valve seat inserts:
Lower the temperature of the inlet valve seat inserts.
Install the inlet valve seat inserts with the 8T-2674 Valve Seat Driver. Use the following procedure in order to install the exhaust valve seat inserts:Note: Do not lower the temperature of the exhaust valve seat inserts.
Apply 4C-9507 Retaining Compound to the exhaust valve seat insert.
Install the exhaust valve seat insert at ambient temperature with the 8T-2674 Valve Seat Driver. Valve Guides
Use the 8T-2676 Valve Guide Driver in order to remove the valve guides and install the valve guides. The counterbore in the driver's sleeve installs the valve guide to the correct height.Bridge Dowels
Use the following tools to remove the bridge dowels:
Table 3
Tools Needed Quantity
4C-8731 Dowel Puller Rod 1
8T-2781 Valve Guide Support Pedestal 1
1U-5230 Hand Hydraulic Pump 1
5P-5247 Hydraulic Puller 1
1D-4720 Nut 1
4C-9839 Puller Rod Retainer Tool 1 Install the new bridge dowels with a 4C-8540 Dowel Driver.