|Item Weight||0.2 ounces|
|Product Dimensions||4.5 x 2.5 x 1 inches|
|Manufacturer Part Number||TRK-JB01|
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Topeak Rebuild Kit for Joe Blow
|Price:||$9.74 & FREE Shipping|
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When you reassemble the head apply a white stick lubricant (similar to Panef Corp. GS-20 White Grease Stick. Available from Amazon) to the internal cylinder where the o-ring travels up and down when the clamping lever is activated and released to keep it working properly. The silicone oil lubricant used by the factory doesn't last very long and allows the piston to freeze up in the locked position.
The white grease stick lubrication lasted several years of being used twice a week in my pump head before the internal piston and o-ring started to get sluggish. At which time I disassembled the head again and reapplied the white grease stick.
Petroleum or synthetic based grease may cause deterioration of the plastic and swelling of the internal o-ring so use the white grease stick which consists of petrolatum, paraffin wax, paraffinic white mineral oil and silicone according the MSDS.
To disassemble the pump head, use a 3/32 inch diameter pin punch, or the shank end of a 3/32" drill or just file the point off of a nail to hammer out the pivot pin of clamping lever. Three small springs about half the diameter and half the length of ballpoint pen springs will fall out when you knock the head on the work bench to remove the plunger. Turn the center spring as if you were unscrewing it to remove it from the housing.
Apply the Panef Corp. GS-20 White Grease Stick to all of the sliding parts and o-ring and reassemble the pump head.
Also clean the hole in the rubber valve stem seal washer with isopropyl (rubbing) alcohol to remove any lubricant that might make it easier for the air pressure to pop the head off of a smooth Presta valve stem.
Most Recent Customer Reviews
I didn't need all parts, but it got my pump working, again. Brought the pump for $5 at thrift store, so I'm happy.Published 8 months ago by Wiakeem Heath
Great. I didn't have to pay $$$ for an entire smart head pump kit to replace a spring on my 8 year old Topeak digital Twister pump.Published 9 months ago by J. Ow
Fixed her right up good as new. I was surprised how the Topeak pump failed though, and how quickly it failed.Published 10 months ago by Steven R. Phipps
The rebuild kit did not work and I threw it out along with the Topeak Joe Blow pump it was supposed to rebuildPublished 11 months ago by Ted Goldfarb
Everything was as listed, I didn't need to use the "O" ring at this time but saved it for future needs. The pump works perfectly.Published 11 months ago by Rick Silverston