Some parts have begun arriving for the Rover Craftsman, namely the most important one, the lower oil seal. The one on it would be the original from 1986 and was leaking so badly that it had bathed the blade disk in oil.
Before removing the disk, I had syphoned the oil and fuel from the engine.
I didn't want to drop the oil pan to dig out the old seal, that would have required more work and considering its not leaking, I wanted to leave it alone. Either way, the blade disk and crankshaft adaptor needed to be removed. The disk was simple, one large 3/8 bolt and three 1/4 bolts. As I knew it would, the adaptor was frozen with rust. With a 3-leg puller attached, it wouldn't budge so I had to use the impact to buzz it off. The shear key was also rusted in place, which I needed a punch tap it free. I then removed the rust from the crankshaft with steel wool.
The oil on the carboard was what drained out with the seal STILL in place and the sump drained. Note the customary string wound around the shaft.
From here, I decided to remove the engine from the mower to improve access, its only three bolts and would make the trickiest part of this job much easier.
I've pulled seals before, done by driving a timber screw into the seal and levering out with a set of pliers. I'm not a fan of doing it that way, scratch the crankshaft and you've just destroyed an engine. A little online research and I came across this tool from Lisle, which at $34 I thought was quite a reasonable price, they are normally $70 at full retail. From what I can see, they were designed for camshaft seals.
https://www.amazon.com.au/dp/B000FPYW4K?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1&psc=1
These are super easy to use, simply hook the "blade" under the lip of the seal, position the lever arm, then apply downward pressure, the seal then pops free without damage to the shaft or journal. I was dreading this part, but the tool made it a breeze, no grazed knuckles, no obscene language required.
After making sure to clean everything down, I put some oil on the new seal, Breaks & Scrappem part number 495-002, then gently tapped it home. The blade boss and key were reinstalled with a little anti-sleaze, the engine then went back on the frame, followed by the blade carrier after it was cleaned of all the oil. 600ml of Penrite SAE30 (I think it had 10W30 in it), fuel, and a test fire. Success.
Next, I replaced the broken handle locks with some aftermarket replacements. While I was at it, buffed the chrome up with steel wool, which also removed the paint overspray. I would have liked the chunkier OEM type, but they are long obsolete.
The final step was to replace the leaking fuel cap. I scored a bunch of NOS fuel caps last year, so it would be rude not to gift it a new one. These were always supplied unpainted like this.
I've also done my best to remove the paint overspray from the engine and chassis, needed some Eulex to cut through it.
Still on the to-do list -
- Replace the generic throttle controller with a Rover type, I hate those "universal" ones.
- Replace the starter grip, the one on it is from an early Victa.
- Head job and decoke, need a head gasket before I do that. Will replace the spark plug afterwards.
- Wheels, of which I've ordered some brand-new ones with new hub caps. Will also do the axle bushing while I'm there.
- I think I'm going to replace the blade carrier and the mounting hardware, I'm not completely happy with their condition, better safe than sorry. New blades at the same time as well.
- New governor spring and air filter screw from NOS. I think someone has had a fiddle with the current spring, and the screw is all marked up and rusting.
- The catcher mesh needs repairing, of which I just use plastic gutter guard.
- I might also be getting a NOS muffler, not needed by why not.
Is it worth doing all this? With the exception of the oil seal, probably not. But that's not going to stop me.