Hammer A3 31 restoration series #2: Inspection of rust damage

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Blog entry by djwong posted 08-16-2009 06:06 AM 8205 reads 0 times favorited 8 comments Add to Favorites Watch
« Part 1: New purchase and un-crating Part 2 of Hammer A3 31 restoration series series Part 3: Beginning rust removal »

The A3 31 is shipped on a wood platform attached to two steel bar channels. This in turn is bolted to a wood pallet. I elected to leave the unit on the platform and pallet for now. I’ll have to figure out how to get it down at a later date.

There were bits of disintegrated plastic all over the interior of the box, along with lots of dead bugs and spiders.

The rust damage is fairly extensive on the jointer beds. The far end of the bed is where the person selling the unit tried to sand the rust out with a little WD40 and 600 grit paper.

Here is a closer look at one of the jointer beds.

The planer bed is in good shape, with just a little rust here and there.

The rust damage on the planer bed shaft is unfortunately significant.

I took the cutter-head cover off so I could rotate the cutter-head. It rotated cleanly, with visible no rust. Interestingly, the planer roller had wood shaving embedded on it. I guess this was from a test cut at the factory.

I need to clean off the dirt and grime that accumulated around the unit. A lot of the grease seems to have become tacky and hardened. I’ll remove that with some mineral spirits. After that, i’ll tackle the rust on the jointer beds.

-- David W. Cupertino, CA

8 comments so far

View a1Jim's profile


117086 posts in 3571 days

#1 posted 08-16-2009 06:15 AM

Good luck it’s going to take some hard work and time but it will be worth it.

-- wood crafting & woodworking classes

View John Ormsby's profile

John Ormsby

1285 posts in 3731 days

#2 posted 08-16-2009 06:25 AM

I recommend you get some Evapo-Rust to get rid of the rust if you intend to take the machine apart to restore. Evapo-Rust will take all of the rust off the parts because it is better to soak them in the solution. Have fun.

-- Oldworld, Fair Oaks, Ca

View djwong's profile


176 posts in 3213 days

#3 posted 08-16-2009 06:49 AM

I plan to use Evapo-Rust on the small pieces. On the jointer beds, I will try Boeshield Rust-Free, and Bar Keeper’s Friend powder cleanser mixed with oil. Thanks.

-- David W. Cupertino, CA

View davidroberts's profile


1027 posts in 3479 days

#4 posted 08-16-2009 07:07 AM

i guess i’m coming in at the middle of this. i assume you bought it new at a significately reduced price? otherwise, someone gots some splainin to do.

-- Better woodworking through old hand tools.

View djwong's profile


176 posts in 3213 days

#5 posted 08-16-2009 07:23 AM

I bought this from the estate of a private party that had purchased it but never got a chance to use it. It was left in the crate for 2 or 3 years. One of those deals on craigslist that seems too good to be true. See my first blog entry. Thanks.

-- David W. Cupertino, CA

View mtnwild's profile


3474 posts in 3521 days

#6 posted 08-16-2009 04:19 PM

I use a product called “Top saver” really works good on table surfaces and many other things. Will not stain wood or other materials. I use it a lot on old rusty knives mostly, but it’s made for machine table surfaces. Great find there, lucky you….............

-- mtnwild (Jack), It's not what you see, it's how you see it.

View charlton's profile


87 posts in 3402 days

#7 posted 08-16-2009 05:07 PM

I echo the Evap-O-Rust route…however, if you can’t take the thing apart…or are unwilling to do so right off the bat, I would try wrapping paper towel soaked in Evap-O-Rust around the parts the are rusty. Keep a bit of the paper towel dipped in a dish of EOR so that it can continue to wick new EOR as it evaporates (which it does very slowly). If that fails, then take the thing apart and soak it.

It doesn’t look too bad and I think you got an absolute steal.

View davidroberts's profile


1027 posts in 3479 days

#8 posted 08-18-2009 06:00 AM

djwong – those deals are the best kind. i wouldn’t have shop equipment without craig’s list. but the level of effort to get the machines into tip top condition can be a chore. i’ll post a picture of my jointer some day. a real mess, er challange.

-- Better woodworking through old hand tools.

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