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Old 09-21-2020, 12:37 AM   #1
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Lehman 120 raw waterpump stuck in housing

Hi all I am in the process of changing my raw water pump how it is stuck tight in the housing and am not sure how much force I should use to loosen it any help would be grateful cheers.
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Old 09-21-2020, 04:48 AM   #2
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Are you discussing the impeller stuck in the housing or the whole pump stuck to the gear housing?
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Old 09-21-2020, 06:14 AM   #3
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Greetings,
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Old 09-21-2020, 06:27 AM   #4
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Hi I am referring to the whole pump very tight in the engine front housing it is a jasco pump cheers.
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Old 09-21-2020, 07:13 AM   #5
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Tap lightly side to side...if no go...may try putting a breaker bar on the crank pully nut and rock it a little/gently while pulling on the pump.
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Old 09-21-2020, 07:44 AM   #6
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Ok thanks for that I will try the breaker bar on the front pulley with hope but this thing is stuck hard for one reason or another cheers for your input.
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Old 09-21-2020, 08:13 AM   #7
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Old 09-21-2020, 08:20 AM   #8
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Greetings,
Mr. K. Do you have ALL the fasteners (nuts/bolts) removed?
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Old 09-21-2020, 10:14 AM   #9
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Quote:
Originally Posted by Kiwibloke View Post
Ok thanks for that I will try the breaker bar on the front pulley with hope but this thing is stuck hard for one reason or another cheers for your input.
When something is stuck that hard, I wonder if there's a hidden reason. Can you post a photo of what you're trying to remove?
Here's a link to a similar situation, hope it helps you: https://www.trawlerforum.com/forums/...pump-3215.html
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Old 09-21-2020, 10:18 AM   #10
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Did you break the housing free (gasket, sealant) and just the gear is stuck?
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Old 09-21-2020, 10:31 AM   #11
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+1 to check the fasteners. Look at a replacement one to double check how many there are b-4 using force.
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Old 09-25-2020, 12:09 PM   #12
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Sorry my replies have been going to my spam folder apologies
To update i am no further ahead as the force required to shift the pump was scaring me so I bolted it back together and all is working fine I shall have another go at a later date when I have a new Johnson pump in hand as I was initially only replacing the impeller it would appear to me that the pump is very tight in the actual housing .
Is there anybody that can advise me where to obtain a new pump i am in Australia cheers.
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