how to remove seal case on Cat Pump 5CP2120W

[danielc]

Hi, I am trying to replace low and high pressure seals on a CAT Pump 5CP2120W, and could not find a way to remove seal case? Need help. Thanks

 

[I.B. Washincars]

Once the head is off, you just pull it out. If it doesn't want to come out, grasp it with pliers or something similar. Nothing actually holds it in other than being pinched between the head and the crankcase.

 

[danielc]

I tried, but it is so tight, i could not get it out. After removed low pressure seal, nothing i could grap using a pliers.

 

[MEP001]

Use channel locks (aka water pump pliers) and turn/pull at the same time. I would not use any sort of penetrating oil - that might cause the o-ring to swell and might make it stuck worse.

 

[danielc]

It works. Thank you