Snap-on CT30 3/8" Impact Wrench Question

[Skyline]

I just got one of one of these guns, (not too great condition) and it was making some bad noises in reverse. So I opened it up and took a look. There seems to be a single ball bearing floating around loose in the nose. Is that supposed to be there? Does anyone have access to an exploded diagram of one of these guns?

 

[mrshaun]

<a href="http://s677.photobucket.com/albums/vv137/shaunnull/?action=view&current=30371.jpg" target="_blank"><img src="http://i677.photobucket.com/albums/vv137/shaunnull/30371.jpg" border="0" alt="Photobucket"></a>

blow it up on your pc to see most of the parts.

 

[mrshaun]

never mind. it came in pretty big

 

[Skyline]

<a href="http://s677.photobucket.com/albums/vv137/shaunnull/?action=view&current=30371.jpg" target="_blank"><img src="http://i677.photobucket.com/albums/vv137/shaunnull/30371.jpg" border="0" alt="Photobucket"></a>

blow it up on your pc to see most of the parts.

Thanks for posting that! It looks like "C' is where that ball bearing belongs....but it looks like there's supposed to be two, not one.

 

[mrshaun]

here is your parts list also
A CT30-500R 1 Anvil Assembly
– – CT30-113 (1) – Anvil
– – ME7A148 (1) – Retaining Ring
– – ME7B63 (1) – O-Ring
– CT30-113 1 Anvil
– ME7A148 1 Retaining Ring
– ME7B63 1 O-Ring
B ME6A12 1 Nose Seal
C ME9A23 2 Ball
– ME3L26A 2 Screw, Bottom Handle
E ME11B16 1 Thrust Bearing
F ME1A218 1 Spring
G CT30-160 1 Gear Carrier
H CT30-106 1 Eyelet
J ME2A126 3 Gear Pin
K CT30-116A 3 Planet Gear
L CT30-105 1 Ring Gear & Support
M ME11A33A 1 Bearing
N ME7B52 1 O-Ring
P CT30-700R 1 Motor Assembly
X CT30-700R 1 Motor Assembly
– ME3J43A 2 Screw, Motor
Q CT30-102 1 Housing, Rear, Red
– ME3L25A 4 Screw, Rear Cover
R CT30-314 1 Wire, Green, 16 GA (Terminal to Switch)
– CT30-315 1 Wire, Yellow, 16 GA (Switch to Switch)
S CT30-117 2 Terminal
T CT30-104 1 Support, Terminal
U CT30-313 1 Wire, Blue, 16 GA (Terminal to Switch)
– CT30-311 1 Wire, Red, 16 GA (Motor to Switch)
V CT30-150 1 Switch Assembly
W CT30-115 1 Washer
Z CT30-111 1 Hammer
– CT30-118A 1 Label Set
some parts have hit the discontinued list also....
shows current on C at 1.46 and yes quantity of 2

 

[Jimmyg]

I bought one of these used a little while ago, when I switch directions I get a loud click or snap sound after the first trigger pull but after that it's smooth

 

[Skyline]

I bought one of these used a little while ago, when I switch directions I get a loud click or snap sound after the first trigger pull but after that it's smooth

I've had a couple of these, and I think that's normal.

I DID figure out where that stray ball bearing came from. As shown as "C" in the diagram, it goes inside hammer assembly "Z". If you push back hard on that hammer assembly, compressing spring "F", the two ball bearings can be removed/inserted. How this ball bearing escaped on its own is beyond me; it took a LOT of force to push this hammer back. I am guessing someone messed with this gun before me.

Now that the second ball bearing is back in its place, the gun runs smoothly in both directions. Not a particularly robust gun by today's standards, but usable.

Thank's again mrshaun!

PS. If you have one of these guns and the original batteries are fading, try batterypackrebuilders.com. For $39.99 they will make your battery better than new. I don't want to discourage you from buying a new battery from Snap-on, but a $139 battery is pretty hard to justify on a gun that's worth about $75.