SEAL-O-RING 5025063 - Caterpillar

Illustration 1. Location of modifications to the advance signaling passages and the addition of throttling grooves.Adaptable To: The new valves and valve groups are direct replacements for the former valves and valve groups. Refer to Chart A for complete valve group changes. Chart A also contains information on the conversion groups that are available to add valves to the complete valve groups listed below. Chart B contains information on the individual valve changes. Refer to Charts C, D, E and F and Illustrations 2, 3, 4, and 5 for serviceable parts information.
All valve group illustrations will be of the same two sections shown in Illustration 2.
Illustration 2. End view of a typical control valve group.Refer to Illustrations 3 and 4 and Chart C for the location of 9T6401 Control Valve Gp. serviceable parts
Illustration 3. 9T6401 Control Valve Gp. Section A-A serviceable parts.
Illustration 5. 9T6402 Control Valve Section A-A. Also use this illustration to locate serviceable parts for both the 9T6403 and the 9T6404 control Valves except where noted.
Illustration 4. 9T6401 Control Valve Gp. Section B-B serviceable parts.The 9T6402, 9T6403 and 9T6404 Control Valves have many parts in common. Illustrations 5 and 6 are of a 9T6402 Control Valve. Each of the following three charts (Charts D, E and F) will refer to these two illustrations except where noted.
Illustration 6. 9T6402 Control Valve Section B-B. Also use this illustration to locate serviceable parts for both the 9T6403 and the 9T6404 Control Valves except where noted. Many components of the 9T6402 and the 9T6403 Control Valves are common to both. Refer to Illustrations 5, 6 and 7.
Illustration 7. 9T6403 Control Valve only. View of the 4T4532 Housing which contains the 7S9203 Washer. The 7S9203 Washer is peculiar to the 9T6403 Control Valve. Many components of the 9T6403 and the 9T6404 Control Valves are common to both. Refer to Illustrations 5, 6 and 8.
Illustration 8. 9T6404 Control Valve only. View of the 4T4514 Spring location. The 4T4514 Spring is peculiar to the 9T6404 Control Valve.