COUNTERWEIGHT AS 3670977 - Caterpillar

Pumps with a Cover
Illustration 1 g01136356
(1) Plug
(2) Bolt
(3) Cover
Remove plug (1) and drain the water out of the pump.
Remove bolts (2) and cover (3).
Inspect the priming impeller, the wear plates for the priming impeller and the impeller for wear or damage. Inspect the pump housing for wear, damage or buildup.
Inspect the pump shaft and the impeller for excessive axial movement.
If wear or damage is found, replace the components which are worn or damaged. Use the proper repair kit for the pump. Pumps with a Clamp
Illustration 2 g01136382
(1) Plug
(2) Clamp
(3) Clamp
(4) Front part of the pump body
Remove plug (1) and drain the water out of the pump.
Remove the water line and clamp (2), if necessary.
Loosen clamp (3) and remove the front part of the pump body (4).
Inspect the impeller, the wear plates and the wear ring for wear or damage. Inspect the pump housing for wear, damage or buildup.
Inspect the pump shaft and the impeller for excessive axial movement.
If wear or damage is found, replace the components which are worn or damaged. Use the proper repair kit for the pump.