ImminentDanger
Up and Over
Just dropping a current note here...
I got some new o-rings for the plunger - Could not really see any wear on the old ones, but was having some trouble getting a consistent timing release. This is the vacuum model.
I thoroughly cleaned the inside & exhaust valve, installed the new o-ring on the plunger and lubed them up with silicone grease. The unit is now back to working great with very good consistency of timing. I have been out hitting several times a month when the temps get above 45°. Itching for the season to start (about another 4 weeks).
I still find this GPT unit very helpful. I have hit the trash can a number of times (by accident) which saved hitting the pop toss. I duck-taped the cracked plastic and keep using the same can. BTW, I did drill holes near the top & added two rope handles to carry the can from the car to the field. All my equipment (bat bag, tee, GPT, ball bucket, lawn chair) all fits in the trunk of my car.
I purchased inexpensive silicone grease from Amazon - It works great:
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I got some new o-rings for the plunger - Could not really see any wear on the old ones, but was having some trouble getting a consistent timing release. This is the vacuum model.
I thoroughly cleaned the inside & exhaust valve, installed the new o-ring on the plunger and lubed them up with silicone grease. The unit is now back to working great with very good consistency of timing. I have been out hitting several times a month when the temps get above 45°. Itching for the season to start (about another 4 weeks).
I still find this GPT unit very helpful. I have hit the trash can a number of times (by accident) which saved hitting the pop toss. I duck-taped the cracked plastic and keep using the same can. BTW, I did drill holes near the top & added two rope handles to carry the can from the car to the field. All my equipment (bat bag, tee, GPT, ball bucket, lawn chair) all fits in the trunk of my car.
I purchased inexpensive silicone grease from Amazon - It works great:
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