KIT-MODULE-INLET 3629514 - Caterpillar

Refer to Illustration 3 for the location of the backup ring (6) and the seal (7).
Procedure To Modify The Tilt Cylinder Head
The former 107-1856 Head may be replaced with 164-7477 Head, or the existing head may be machined to accept the new backup ring and seal.
Illustration 1. Typical view of a tilt cylinder with the former 107-1856 Head (4).1. Remove the bolts (1) and (2) and washers (3) that hold the head.2. Remove the head (4) and the rod assembly (5).
Illustration 2. Dimensions required to modify the former 107-1856 Head (4). 3. Replace the former 107-1856 Head (4) with 164-7477 Head (4) or machine a seal groove in the former 107-1856 Head (4) as shown in Illustration 2 and Chart 3.
Illustration 3. Typical view of a tilt cylinder with a new or modified head. This view is also typical of all lift cylinders.4. Install 157-7244 Backup Ring (6) and 8L-9241 Seal (7) in the head.5. Replace the rod assembly (5) and the head (4).6. Replace the bolts (1) and (2) and washers (3) that hold the head. Tighten the bolts to a torque of 3100 350 N m (2279.4 257.4 lb ft). An engineering change number (CHG -) indicates effectivity of this improvement or adaptability to earlier cylinders. The cylinder part number, engineering change number, and date of manufacture appear on the cylinder tag.