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have to order seperate trigger part. should have buy a milwaukee instead, or bostitch (does not last but dependable when working). move the chamber adjustment level to all position, check and lube nail moving mechanism. 1st job site use, use 1 1/4" coil roofing nail brand new box.
my advise, don't trust the brand, or buy online. takes about 7 to 15 shot for 5 nail to comes out per shingle. so we decide to get a hitachi roofing nail gun when my bostitch roofing nail gun fail. did not recall having getting 5 nail at a time. a hitachi miter saw. big surprice, nail gun is not sequencial trigger.
could not get the nail to come out each shot. replace coil nail after coil nail. big mistake. we own a hitachi framing nail gun, a hitachi jack hammer, a hitachi twin tank compressor. takes a week to get the part tru hitachi. nail still will not come out each shot.
buy local so you can return it fast when you have problem, specially 1st time use on the job site. what a disapointment.
But there no problems with it. I used the Hitachi nailer to do a garage roof. It worked great. Twice it shot two nails at once but it was because I did not have the nailer level; so make sure you rest the nailer on the guide. I am not a roofer, just a weekend guy who fixes stuff around the house.
It fires off nails as quickly as I can tap them out with the only 'jams' occurring due to misshapen coils of nails. Sequential firing with the bump fire trigger takes some getting used too: double-fires are most common when attempting seq. I've probably roofed about 400 squares with this so far without a hitch. Coil changes are fast and simple, as is adjusting the floor late for different size nails. I'm a single family home build and remodel contractor.
The Hitachi exhibits the best and most reliable performance of any roofing nailer I've used. Depth of drive is easily adjusted and consistent, whether being slammed against the decking by a green laborer or the being skimmed across the shingle with the feather-light taps of a seasoned roofer. The last nail of the coil drops out the nose. firing against material that bounces back. Previous to purchasing this nailer, I've used the old side-loading Bostitch roofers, the new senco roofers, and a couple off-brand cast iron units.
It has no problem piercing sheet metals such as flashing or steel J-channel, and performs remarkably well at off-angles such as those under soffits. I wish Hitachi had integrated an adjustable exhaust port, but in the end, I reach for this nailer before any of the others. There was a rubber bumper on the front of the drive head area whose adhesive gave out after a few months - it didn't concern me, but I can see its usefulness when lowering the gun down from the roof deck by the hose.
I researched for months to find the best nailer for a DIY roofer. Light weight, and didn't jam once. This nailer worked like a gem.
To date I have not had a single problem; just oil and go.can't ask for anything more. All my other nailers are Hitachi, and based on reviews and price I bought this one with confidence. Roofing nailers are one tool I don't have a lot of experience with. I put it to work on a small roof the day it arrived. I wish Hitachi would include a molded case for their larger nailers but I wouldn't purchase any other brand regardless. Around 5000 1 1/4" nails without one hiccup.
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