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By Barry from USA on 2010-12-21 18:32:22
Good quality. It is doing just as it is designed.What others should know:
Follow instructions. Pump slow and deliberate.
By Harlan from USA on 2021-12-30 10:37:05
It came as a freebie with the rifle.Things I would have changed:
This pump was a lemon from the outset with a severe air leak at the brass bushing that sits between the pump and hose. At first glance I assumed the o-ring had been damaged or was missing when assembled at the factory (or it was a return?). I figured easy fix: remove bushing, replace o-ring, and done. With the first gentle pressure on the wrench, the brass bushing sheared off. On closer inspection, it was apparent the brass fitting had been over-tightened, deformed, and fractured. Unable to get the sheared off bushing removed, and since it was a freebie, into the trash it went.What others should know:
I'm sure its a fine pump -- if you get one that hasn't been damaged before you get it.
On-board gauge. Sturdy and well-built. Comfortable to pump.Things I would have changed:
Hose is too short - good grief, Crosman, make the hose long enough so I don't run the risk of stepping on my gun when I'm pumping it up. Give the sliding mechanism a lock of some kind, so when you tote it around it doesn't slide back and forth.What others should know:
There have been reports of these breaking and locking up. After 1000 rounds through my gun (which translates to about 30 pumping sessions of 1000 PSI), my pump is holding up just fine. It does get very warm, as indicated by the instructions. So, I don't recommend pumping more than 1000 PSI as a time - to make sure you don't damage the o-rings. Even if you are as strong as an ox, if you are less than 180 lbs, you'll need to use the momentum of your weight to pump this - it's physics. When I start to push down, I lock my arms and drop my left leg to get the force I need. This method lets my weight do the pumping, and it much easier on my arms (locked in position) and back (strait, not bent over). It sounds complicated, but it's not. You'll get the hang of it quickly.
Well made and good valving.What others should know:
At pressures above 2000PSI I have to get up to speed to push handle down completely. At 160 pounds I will float about an inch above full compression if I go slowly. I need 45 pumps to refill from 2000 to 2600 PSI and get about 25 shots at 925 FPS between fills, with .22 Marauder.
does the job with not too much effortThings I would have changed:
Needs a longer hose so you don't have to lay gun on ground to fill. also the gauge is hard to see while pumping.
Nice heavy duty pump. It does take a lot of pumps and quite a while too fill the Marauder from empty.Things I would have changed:
I would add a latch to keep pump in the down position for transport and to keep the internal parts clean when not in use.What others should know:
You will get your exersize!
Quick disconnect type attachment, price, will also fill 3,000 psi guns and tanks.Things I would have changed:
The 90 day warranty sucks. My first Benjamin pump broke after using it about 2 weeks and five fills. It just froze and was stuck in an extended position. I am confident I was using it as specified and not putting any undue load on it or heating it up. I got a replacement pump from Pyramyd and it also froze, but for whatever unexplainable reason, the next day it loosened up and worked again.What others should know:
With adapters available here on Pyramyd you can use it to fill Airforce air rifles. The judge is still out on this pump. I'm unsure if it will stand up to even occasional use. Time will tell.
Good price and very good quality.Things I would have changed:
Could use a replaceable or washable air intake filter.What others should know:
I use this pump to charge my Sumatra 2500 Carbine to 3000+ psi. I am 60 years old and have a pacemaker to keep me going but I get the job done by pumping about a dozen stokes at a time with a little break in between. If I can do it anybody can. I also have a 3442psi steel scuba tank which is a LOT easier to use but I still use my hand pump to top off my Sumatra when the scuba tank drops below 3000psi and on those occasions when I can't get the scuba tank filled. This is a very good hand pump and well worth the price.
Works as advertised. Good quality. Good workout!Things I would have changed:
Add lock washers or Locktite to the base screws to prevent loosening.What others should know:
It leaked thick black oil from the base onto a carpet; wife became very unhappy. Crosman says oil leaking is normal and is mentioned in the FAQ's.
Less expensive than other pumps, yet works the same as the other pumps. Longevity will tell the true story. Directions were completely adequate, along with the short video which was absolutely informative.Things I would have changed:
The price of all of these pumps is ridiculous for what they are....I've heard of the problems with all brands....I would like to see a type of water trap or filter on this one....it can be done without adding $75 to the price...water trap and keep it at the same price.What others should know:
Works as good as any type of pump that I've used....so best value in my opinion....time will tell.
first pcp first pump(th discovery) pleased with both...instructions were adequate and coincided with th article i read by Tom about using high pressure pumps.MUCH more power with air vs.co2.The pump is easy to use anyone could use it...Things I would have changed:
price although it is comparatively priced with other pumps.I guess i was just not ready for how expensive high pressure pumps are but we are not talking about a bicycle pumpWhat others should know:
you get a much better deal if you buy th package... that is th pump/gun combo
Can be used for filling 3000psi Paintball HPA tanks without the need to purchase additional fittings.Things I would have changed:
Better instructions: The pump came with minimal instructions. No mention if this pump is capable of continuous use, or if you must only pump for 5 minutes then rest for 15.(I am assuming the latter, just to be safe.) And a couple minor things... The bleed screw, although fully functional, takes several turns to open completely. A bleed valve that opened with a 1/4 turn would be a nice luxury. An intake filter with a replaceable paper element for use in dusty conditions would also be a nice addition.What others should know:
I cannot comment on how this pump works with the Benjamin Discovery, as it was purchased for the express purpose of filling 48/3000 Paintball tanks, which it seems to work well for. When filling a 48/3000 HPA tank, 5 minutes of paced pumping will give around 250psi increase.(will vary with tank size) The product description states that it has a "Moisture filter", but it appears to only allow the moisture to condense in the base and then be expelled when the bleed valve is opened.(There may be some sort of internal filter, but I have no intention of disassembling it to find out.) I have used this pump to fill 4 tanks a total of about 8 times over a 2 week period with no failures of any sort. In summing up, I would recommend that it not be used in dusty conditions, but for the price it seems like a well built pump.
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