Maximus sprung a leak
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Maximus sprung a leak
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Topic: Maximus sprung a leak (Read 457 times))
toddbrat
Sharp Shooter
Posts: 619
yes
Real Name: Todd
Maximus sprung a leak
«
on:
November 24, 2021, 06:38:42 PM »
My Maxi has sprung a leak from the fill valve, enough so when I disconnect the hose I can put my finger over it and feel it. Is there anything user serviceable there or does the entire fill port need to be swapped? Meant to call Crosman today to order one and got busy for Thanksgiving tomorrow. TIA!
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Elizabethtown, KY
SwampHunter
Expert
Posts: 1523
Re: Maximus sprung a leak
«
Reply #1 on:
November 24, 2021, 07:15:45 PM »
There is a small o ring that most likely needs replacing in the nipple, easy fix
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USA, FL
Back_Roads
I Got A 15 Pump BB Gun :) BB Guns Got Much More Complicated :)
GTA Senior Contributor
Posts: 15707
1st Edition Crosman 760 Pump Master
Real Name: James Seiler
Re: Maximus sprung a leak
«
Reply #2 on:
November 25, 2021, 08:28:29 AM »
Sometimes a couple drops of silicone oil in the fill nipple will unstick or free up a leaky fill nipple valve. Add a couple drops and try filling.
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K.O.
Eternally Tinkering
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Real Name: Kirby
Re: Maximus sprung a leak
«
Reply #3 on:
November 25, 2021, 02:44:13 PM »
reply #22 my 2016 Max...
https://www.gatewaytoairguns.org/GTA/index.php?topic=181007.msg156062979#msg156062979
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The Great Northwest, United States, Washington
Doug Wall
Expert
Posts: 1655
yes
Re: Maximus sprung a leak
«
Reply #4 on:
November 25, 2021, 03:20:02 PM »
You can take it apart. Make sure to degas the gun totally before working on it!!!! It could be the O-ring, or there might be corrosion in it. If corroded, you might be able to polish it up and reseal it.
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Hilton, NY
LAalex
GTA Senior Contributor
Posts: 2352
Real Name: Scotty
Re: Maximus sprung a leak
«
Reply #5 on:
November 25, 2021, 05:51:59 PM »
I separated the two halves an did about 4 wraps of Teflon tape and no more leak. Worth a try
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Washington, LA
Crosman Optimus .22
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kbstingwing
Former Rat Lobotomizer now Squirrel Lobotomizer
GTA Senior Contributor
Posts: 4276
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Real Name: Kevin (Bushido)
Re: Maximus sprung a leak
«
Reply #6 on:
November 26, 2021, 12:10:11 AM »
the O-ring is a #006, use a buna nitrile O-ring for a replacement, make sure to clean the mating surfaces on the stem and housing body, use Silicone oil or Silicone grease to lube the O-ring during assembly, use good quality Teflon Tape for the threads, lube with a couple drops of silicone oil every 5-10 fills.
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USA, Daingerfield Texas
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Bushido.....
toddbrat
Sharp Shooter
Posts: 619
yes
Real Name: Todd
Re: Maximus sprung a leak
«
Reply #7 on:
November 26, 2021, 06:47:06 PM »
Thanks, all. Finally had a few minutes today to tear into it. The O-ring looked good so left that alone, but there was some funky buildup around the check valve. Cleaned that out, a bit of silicone grease on the rings and new tape seems to have fixed it, at least it isn’t spewing out as soon as I fill it now. I need to order some silicone oil.
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Elizabethtown, KY
kbstingwing
Former Rat Lobotomizer now Squirrel Lobotomizer
GTA Senior Contributor
Posts: 4276
yes
Real Name: Kevin (Bushido)
Re: Maximus sprung a leak
«
Reply #8 on:
December 01, 2021, 12:59:09 PM »
any one will do
https://www.amazon.com/s?k=silicone+shock+oil&ref=nb_sb_noss_1
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USA, Daingerfield Texas
Varmints Beware, you'll be "Lucky if I'm out of Air"
Beeman HW100 T FSB .20
Weihrauch HW 100 Bullpup .22
Weihrauch HW 100 TK .22
Brocock Bantam MK1 .25
AGT Uragan Standard .25
RTI Priest 2 Cerakote .30/.177 converted to Prophet 2
AirForce Texan .45
Shin Sung Fire 9mm
Benjamin Marauder Pistol .22
Benjamin Marauder Gen 2 .22 w/ LW barrel by JG
Umarex Hammer .50 Cal
Umarex Notos Carbine 500/4500 Carbon Bottle .22
Umarex Gauntlet 500/4500 .25 Tactical Chassis gun
Umarex Gauntlet 500/4500 .22 Tactical Chassis gun
Hatsan Flashpup synthetic .22 side lever x 1
Sheridan Blue streak .20 Steroided
Crosman Phantom co2 pistol BB
Nardi USA Atlantic GAS 4500 Air compressor
GX CS2 4500 psi PCP compressor
Spritech VE3 PCP compressor
Arken Zulus HD 5-20X LRF
ATN X-Sight 4k 3-14x w/ABL1000
ATN X-Sight ll 3-14x w/ABL1000
Pard NV008
Pard NV007S
Pard NV007V
AGN TM180 Thermal Monocular
Bushido.....
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Maximus sprung a leak