G342 ENGINE Caterpillar

Tighten nut (1) that holds the impeller to a torque of 55 lb. ft. (75 N·m). Continue to tighten until the cotter pin can be installed.

Use the procedure that follows to install the seal assembly:

a. Put water on seal (4).

b. Use 7N8268 Installation Tool and hand pressure only to install seal (4) and the ring together in the housing bore with the shiny face of the ring outside.

c. Remove spring (2) from seal (3).

d. Put water inside the seal assembly.

e. Install the seal assembly around the shaft, with the 7N8268 Installation Tool, (the tool is with the seal group) until the carbon face makes contact with the shiny face of the ring.

f. Install spring (2).

NOTE: Put engine oil on the lip of seal (5).