Crosman Air Pistol Owners Forum

Crosman air pistol - General => Crosman air pistol - General discussion => Topic started by: josey88 on November 07, 2012, 01:12:54 AM

Title: 1377 pumping action
Post by: josey88 on November 07, 2012, 01:12:54 AM
Ok... my 1377 makes a kind of creaky sound when pumping , at the end of the pump movement , right before closing the fore grip against the tube . I think is the friction of the piston , so I put a couple of drops of Pneumatic oil on it but the thing keeps creaking . Is that normal ?  The gun works ok and fires well, with no issues ... I am just curious as to if this is normal . There is also a little bit of play on the pumping mechanism , right on the big pin at the end of the barrel . It is not the pin which is hold tight but on the pumping lever the the pin holds ... if I open the lever to pump and I move it slightly sideways , there is play . Can I insert a washer of some kind to eliminate that ?  I wouild like to get the pumping lever to just move up and down with precision , with no sideways play , if possible ... Thanks
Title: Re: 1377 pumping action
Post by: 1377x on November 07, 2012, 02:48:39 AM
its the check valve making the noise
try a different check valve.cleaning it doesnt do any good you can try to mod it but cant say if thats going to change anything
its one of those weird things that happens some do it most dont
Title: Re: 1377 pumping action
Post by: woody67 on November 07, 2012, 03:25:59 AM
Or loosen the piston setting up a bit.  That took some of the creak out of mine...just dont over loosen it!
Title: Re: 1377 pumping action
Post by: breakfastchef on November 07, 2012, 03:58:51 AM
If the pistol shoots well, ignore the noise. As 1377x stated, he had this problem and the check valve caused the noise, possibly from a slightly out of spec part or the way it seated against the valve spring. I have had a variety of squeaks; some pass while others are chronic.

As to your pump arm wiggle, that is common. Some have had some improvement by slightly bending the two tangs at the end of the pump are with the holes for the roll pin. A very good idea would be to order a replacement pump arm pin from Mellonair. Why? Well, first, he supplies a washer that fits betwen those tangs to help reduce the wobble, and second, removing the pin is 1000x easier than banging a roll pin. Probably would be the best $8 you spend on the gun.
Title: Re: 1377 pumping action
Post by: Trophyhunter49 on November 07, 2012, 04:27:27 AM
Quote from: breakfastchef on November 07, 2012, 03:58:51 AM
If the pistol shoots well, ignore the noise. As 1377x stated, he had this problem and the check valve caused the noise, possibly from a slightly out of spec part or the way it seated against the valve spring. I have had a variety of squeaks; some pass while others are chronic.

As to your pump arm wiggle, that is common. Some have had some improvement by slightly bending the two tangs at the end of the pump are with the holes for the roll pin. A very good idea would be to order a replacement pump arm pin from Mellonair. Why? Well, first, he supplies a washer that fits betwen those tangs to help reduce the wobble, and second, removing the pin is 1000x easier than banging a roll pin. Probably would be the best $8 you spend on the gun.
X1
Title: Re: 1377 pumping action
Post by: josey88 on November 07, 2012, 06:13:15 AM
Quote from: breakfastchef on November 07, 2012, 03:58:51 AM
If the pistol shoots well, ignore the noise. As 1377x stated, he had this problem and the check valve caused the noise, possibly from a slightly out of spec part or the way it seated against the valve spring. I have had a variety of squeaks; some pass while others are chronic.

As to your pump arm wiggle, that is common. Some have had some improvement by slightly bending the two tangs at the end of the pump are with the holes for the roll pin. A very good idea would be to order a replacement pump arm pin from Mellonair. Why? Well, first, he supplies a washer that fits betwen those tangs to help reduce the wobble, and second, removing the pin is 1000x easier than banging a roll pin. Probably would be the best $8 you spend on the gun.
That is an absolute brilliant idea ... I will be ordering the solid piston , washer and  bushing in 10 minutes , Thanks so much
Title: Re: 1377 pumping action
Post by: Noah on November 07, 2012, 06:23:36 AM
Quote from: breakfastchef on November 07, 2012, 03:58:51 AM
If the pistol shoots well, ignore the noise. As 1377x stated, he had this problem and the check valve caused the noise, possibly from a slightly out of spec part or the way it seated against the valve spring. I have had a variety of squeaks; some pass while others are chronic.

As to your pump arm wiggle, that is common. Some have had some improvement by slightly bending the two tangs at the end of the pump are with the holes for the roll pin. A very good idea would be to order a replacement pump arm pin from Mellonair. Why? Well, first, he supplies a washer that fits betwen those tangs to help reduce the wobble, and second, removing the pin is 1000x easier than banging a roll pin. Probably would be the best $8 you spend on the gun.

TOTALLY!!!
Title: Re: 1377 pumping action
Post by: jSan22 on November 07, 2012, 06:25:54 AM
all the 1377's ive owned have made that sound. no noticeable issues.
Title: Re: 1377 pumping action
Post by: josey88 on November 07, 2012, 06:43:55 AM
I just ordered the solid pin kit  with Charlie by Paypal . Any idea of how long waiting time will be ?  he seems pretty busy .
I will forget about the noise ... no biggie . The wiggle at the end of the pump arm , however , it bothers me . Hopefully the kit from MellonAir will solve the problem .
I have to give this Forum a high mark , guys ... Tremendous help , great advice and tons of information ... I am glad to join with such good company .
Title: Re: 1377 pumping action
Post by: Trophyhunter49 on November 07, 2012, 07:34:39 AM
 If he has them in stock,may3weeks . That was for mine If not 3 to 6 weeks ??? Hard to say. Just forget about them and one bam they are here  LOL
Title: Re: 1377 pumping action
Post by: 7624452 on November 07, 2012, 10:15:09 PM
He is now working on orders in the order they were received.  Today he is working on 16 September.
Title: Re: 1377 pumping action
Post by: Trophyhunter49 on November 08, 2012, 12:03:08 AM
Quote from: 7624452 on November 07, 2012, 10:15:09 PM
He is now working on orders in the order they were received.  Today he is working on 16 September.
Have you been in contact with him?
Title: Re: 1377 pumping action
Post by: 7624452 on November 08, 2012, 12:22:52 AM
Quote from: Trophyhunter49 on November 08, 2012, 12:03:08 AM
   Have you been in contact with him?
No, I got all the information from his web site.
Title: Re: 1377 pumping action
Post by: Trophyhunter49 on November 08, 2012, 12:27:46 AM
 I know when I ordered my flat top piston and pin kit ,he had the same thing on there . Got mine in about 3 week! ???
Title: Re: 1377 pumping action
Post by: 7624452 on November 08, 2012, 12:44:22 AM
Quote from: Trophyhunter49 on November 08, 2012, 12:27:46 AM
I know when I ordered my flat top piston and pin kit ,he had the same thing on there . Got mine in about 3 week! ???
I got my first order (Jul '12) in 3 weeks.  Starting 23 Sep '12, I made six orders.  I received order #5 (barrel) almost immediately.  When I looked on his web site he posted that he had no more barrels and was now filling orders in order of receipt, and he posts what day he is currently working on.  I hope he gets to my orders before he gives up and takes a vacation.
Title: Re: 1377 pumping action
Post by: josey88 on November 08, 2012, 01:20:18 AM
Well, I can understand  if you  order a custom part that has to be made specifically , like a valve or a hammer or a barrel , etc , you would go into the wait line , but if I order a solid pin kit that most likely is in stock , I can`t see why I would have to wait 3 to 5 weeks ... it just seems not right if you ask me ... just saying
Title: Re: 1377 pumping action
Post by: 7624452 on November 08, 2012, 01:25:26 AM
Quote from: josey88 on November 08, 2012, 01:20:18 AM
Well, I can understand  if you  order a custom part that has to be made specifically , like a valve or a hammer or a barrel , etc , you would go into the wait line , but if I order a solid pin kit that most likely is in stock , I can`t see why I would have to wait 3 to 5 weeks ... it just seems not right if you ask me ... just saying
All his parts are custom parts.  They are so popular that he can not keep up with the demand.
Title: Re: 1377 pumping action
Post by: chongman on November 08, 2012, 02:30:06 AM
Quote from: 7624452 on November 08, 2012, 01:25:26 AM
All his parts are custom parts.  They are so popular that he can not keep up with the demand.

That's very true. Same goes for Don Cothran...get in line  :D
Title: Re: 1377 pumping action
Post by: Trophyhunter49 on November 08, 2012, 03:58:21 AM
  There are not to many of them makin parts and when you are good I guess you get covered up
Title: Re: 1377 pumping action
Post by: sbcrockett on November 08, 2012, 05:06:44 AM
Quote from: josey88 on November 08, 2012, 01:20:18 AM
it just seems not right if you ask me ... just saying

hate to say it, but you can expect this as the norm for most airgun parts purchases. not saying I don't agree with you, just speaking from experience from a couple different sources. my guess is that most parts mfgr's recognize this is our hobby and since their parts making venture is probably a side business, I haven't found there to be the sense of urgency you may see from other vendors.

unfortunately, this isn't amazon.com.
Title: Re: 1377 pumping action
Post by: josey88 on November 08, 2012, 05:40:16 AM
I guess that`s  how it is ... unfortunately, we need the parts , so no way around it .
Title: Re: 1377 pumping action
Post by: jSan22 on November 08, 2012, 06:11:17 AM
i do not remember mellon being so frikkin busy. maybe its because of the time (hunting and holiday season)
Title: Re: 1377 pumping action
Post by: 1377x on November 08, 2012, 10:25:40 AM
Quote from: jSan22 on November 08, 2012, 06:11:17 AM
i do not remember mellon being so frikkin busy. maybe its because of the time (hunting and holiday season)
that and when accustoms stopped making parts mellons work load went up
accustoms had competitive prices with mellon and everyone else has double priced items.they domibated the market.now these other guys are getting business back because mellon is so busy and people want their parts now.hope that doesnt result in mellon raising his prices like airgunsmith did his