benjamin pump repair
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Topic: benjamin pump repair (Read 3621 times))
mvhunter
Plinker
Posts: 126
benjamin pump repair
«
on:
November 07, 2011, 06:55:39 PM »
hi i just recieved my o-rings and parts to repair mi pump but have no directions. does someone have directions they could show me? thanx for your help
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amb5500c
Administrator
GTA Senior Contributor
Posts: 31558
Real Name: Richard
Re: benjamin pump repair
«
Reply #1 on:
November 07, 2011, 07:01:42 PM »
Welcome to the GTA. DON'T use any type of hydrocarbon based lubricant. Use a silicone based lubricant to prevent the pump from exploding.
Richard
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Posts: 2359
"Non Timebo Mala"
Re: benjamin pump repair
«
Reply #2 on:
November 07, 2011, 09:02:27 PM »
Welcome to the GTA mvhunter!!! I can't help as I use a Hill pump, but you should be able to do a web search an find an exploded view of one? Maybe might even be one on Crosman's site. I know I had to search high an low to find one for the Hill an at best found the exploded diagram only with no step by step instruction's.
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N.R.A. ENDOWMENT,N.R.A./I.L.A.,G.O.A. LIFE, N.R.A. Instructor For C.C.W.,ALL FIREARM'S & RELOADING /No Free Man Shall Ever Be Debarred The Use Of Arm's (Thomas Jefferson). Sheridan's "52" Silver, "79" Silver, "80" Blue, BAM-51 .22, Benji Mrod #31 .22, Benji Trail NP XL .177/.22, Gamo Whisper .177, Beeman RS2 .177/.22, Crosman 1377 .177, B-3-1 AK .177. FIREARM's Far more than I need NOT as many as I want.(More AG's to come I'm sure).
longislandhunter
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Real Name: Jeff
Re: benjamin pump repair
«
Reply #3 on:
November 07, 2011, 09:07:04 PM »
I just recently posted an exploded diagram of the benji pump. Look in the "PCP Gate", it's a "sticky" right at the top. It should help you out quite a bit.
Jeff
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Long Island, New York
If it was easy it wouldn't be hunting it would be shopping.
MustangMike
GTA Senior Contributor
Posts: 6655
Real Name: Mike
Re: benjamin pump repair
«
Reply #4 on:
November 07, 2011, 09:08:19 PM »
google it ive come across a step by step picture guide of the whole process just cant remember where it was
a couple of suggestions, some people use a brake cylinder hone to smooth out the internal shaft that the main orings i belive it is slides on.. extends the life of the orings.. if i dont end up with a hill pump and have to rebuild my benji pump i plan on honing that out and looking for anything else i can smooth out to extend oring life
as stated above... NEVER EVER USE MOTOR OIL OR ANY OTHER KIND OF OIL THE IGNITES..
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mvhunter
Plinker
Posts: 126
Re: benjamin pump repair
«
Reply #5 on:
November 11, 2011, 08:22:34 PM »
thanx guys ill be doing the rebuild this weekend thanx again
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benjamin pump repair