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Topics - Mick

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1
Strimmers and BrushCutters / STIHL Product Recall
« on: August 23, 2019, 06:35:51 PM »
STIHL Product Recall.

STIHL recalls trimmer heads: STIHL PolyCut 27-3 And STIHL PolyCut 47-3

Quality rests have revealed that the screw connections of these trimmer heads may come loose in operation.  As a result it is possible that moving parts will fly off, there will be a risk of injury to the user as well as to third parties.

Do not use the trimmer head again!

Please return the trimmer head immediately.  You will be refunded the purchase price for this.  And will be given help to choose a suitable replacement product.


2
At Euro Car Parts:  Nextbase 522GW Dash Cam with Amazon Alexa (1440p Quad HD) Was  £149.00 Now £119.00 https://bit.ly/2OXnk4a

Nextbase 522GW Dash Cam with Amazon Alexa (1440p Quad HD)

"The Nextbase 522GW boasts 1440p Quad HD, with an inbuilt polarising filter to provide unbeatable picture quality to give you a superior Dash Cam experience. It includes revolutionary new features such as Alexa-built into bring all the features of Alexa from your home into the car, whilst allowing you to voice control your Dash Cam and be safe on the roads. (*Certain features accessible shortly after launch*)

Be assured of safer journeys with the Nextbase Emergency SOS feature. This will alert the emergency services to your location in the event of an accident and share crucial medical data to aid efficient treatment.

The 522GW includes Bluetooth 4.2 to automatically send crash footage directly to your Bluetooth enabled phone, QuickLink Wi-Fi for video transfer and a higher accuracy 10x GPS module for accurate speed and location data.Customise your 522GW using the Rear Cam Modules for all -round protection."

•1440p Quad HD at 30fps for stunning image quality
Inbuilt polarising lens to dramatically reduce windscreen glare and reflection
Alexa built-in. Get your car connected with voice control and smart home connectivity on the move (*Certain features

https://bit.ly/2OXnk4a



3
EGO 20 in. 56-Volt Lithium-ion Electric Walk Behind Mower Kit with 7.5Ah Battery and Charger Included

https://www.walmart.com/ip/EGO-20-in-56-Volt-Lithium-ion-Electric-Walk-Behind-Mower-Kit-with-7-5Ah-Battery-and-Charger-Included/199025242

The performance of gas without the noise mess and fumes, now with extended run time: up to 80 minutes on a single charge. The EGO 56-Volt Lithium-Ion Mower delivers long-lasting power, rapid charging and durability in all weather conditions. The EGO Power+ 56-Volt battery can deliver Power Beyond Belief to all EGO outdoor power equipment.

Advanced 7.5Ah 56-Volt ARC-Lithium battery and rapid charger
80-minute cut time and 60-minute charge time
Weather resistant construction, rapid charging and lasting power

Read More

4
EGO 20 in. 56 Volt Lithium ion Cordless Push Mower with 5.0Ah Battery and Charger Included

https://www.walmart.com/ip/EGO-20-in-56-Volt-Lithium-ion-Cordless-Push-Mower-with-5-0Ah-Battery-and-Charger-Included/729314248

The performance of gas without the noise, mess and fumes. The EGO 56 Volt POWER+ Lawn Mower delivers long-lasting power, easy push-button start and durability in all-weather conditions. The advanced 5.0 Ah 56 Volt Lithium-Ion battery uses industry-leading Arc-Lithium technology to deliver Power Beyond Belief and is compatible with all EGO POWER+ products.

Delivers long-lasting power without noise, mess or fumes
Single-lever, 6-position deck-height adjustment
Charges in approximately 80 min with included standard charger

Read More

5
Site Feedback / Added a couple of new smileys
« on: July 11, 2019, 07:39:38 AM »
Note to self:  Just added a few new smileys to post form. Just these for now.

 :tup: :hmm: :welcome: :idea: :doh:

6
Lawn mowers / Briggs and Stratton Auto Choke Problem
« on: July 07, 2019, 11:32:57 AM »
An issue I've come across on several occasions with the later Briggs and Stratton auto choke system.  This is on the later engines fitted to the new Hayter Harrier mowers, and other machines.  I just happened to have four of these over a period of two weeks.

This engine uses the thermal device found on many of the Briggs and Stratton engines nowadays.  Here's roughly how it works.

When the engine starts, and the governor cuts in, that pulls the throttle down so the engine revs at a safe and comfortable speed.  This action on the throttle shaft also nudges the choke off enough to keep the engine running comfortably.

As the engine heats up, the thermal device pushes a little plastic arm, which then leans on the choke shaft to open it fully, and continues to hold it open while the engine is hot, so it's ready for a hot restart.

What's happening is when the engine cools down, and the thermal device backs away, but the choke shaft is getting stuck, and therefore leaving the choke in the off position.  This leaves you with a engine that won't start when it's cold, or at least it will be extremely difficult to start.

The cause:  The arm on the top of the choke shaft is binding against the carburettor mounting bracket.   Now They should really press a dimple in the bracket so it clears the arm, or make the arm a few thou shorter.  I have got around this by shaving a very tiny amount of plastic off the end of the arm, or even a few passes with a bit of emery paper is enough to cure it.  Hopefully Briggs and Stratton will address this issue soon, if they haven't already.

Anyway, thought I'd share my findings.  Check out the video below, it'll help to see what I'm talking about. This was one I had on the bench recently.


7
Petrol Tips

Pump Fuel:

1: Avoid the crappy supermarket fuel where possible.
2: Use Super Unleaded from one of the big fuel companies, like Shell, or BP, you'll find it'll keep better, and give you less problems.
3: For use in two stroke machines, it advisable to use up the fuel and replace with fresh after 30 days. This is a guideline most machinery manufacturers are recommending. 
4: Don't use fuel left over and sitting in the can from the previous year, it really won't do you any favours, and might cost you big time to have your machine repaired.
5: Don't leave fuel sitting it the machine all year round, or if you do at least start it up a few times during, so it replenishes the fuel in the carburettor.  Ethanol is at it's worst when sitting still in your carb.
6: Pump fuel in the UK contains 5% Ethanol, not only is it corrosive, it's also hydroscopic, which means it'll corrode the aluminium your carb is made with, and it also draws in moisture from the air, so you'll eventually get water damage.  Hence why a lot of mower carbs are now made from plastic.

Alkylate based fuels. (IE: Aspen, or Stihl MotoPlus). *

Keeps for around five years in it's original coloured container, but keep it out of sunlight, and in a cool place.  If you store it in your clear strimmer tank which lets the light in it won't keep for as long.

Alkylate based fuel doesn't contain the nasty Ethanol. so that eliminates 99% of your problems, it also doesn't contain some of the other nasty chemicals which makes it better on your health.

* Why didn't I include Stihl MotoMix above?

Well as far as I can make out, (And someone will no doubt correct me on this), Stihl MotoPlus (neat fuel for 4stroke engines) has the word Alkylate on the can, while Stihl MotoMix (Premixed two stroke fuel for two stroke engines) doesn't, and from the data it states it's a fully synthetic fuel, which suggests it's completely man made.   

MotoMix again has a five year shelf life if stored in the original container, but they also state it will stay fresh for extended periods in your equipment, though how long I haven't a clue. I'm guessing around two years, based on the fact that the early 1Litre bottles of MotoMix were shipped in clear containers, and had a two year shelf life apposed to the five litre coloured can which had a five year shelf life.

Note: I would also recommend, anyone who's been running chainsaws, strimmer's, blower's or anything which uses a diaphragm type carburettor on pump fuel for quite a while,  change the diaphragms before switching to Alkylate based fuel, it's pretty common for the change in fuel to make the diaphragms go hard, and therefore give you running problems. 

Anyway, hope you find this useful, and remember, keep it lean, and keep it fresh, it'll save you money in the long run.

Information above is my own thoughts and observations, if anyone would like to add or comment, then feel free to join in.
 

8
Lawn mowers / Ariens Razor
« on: June 25, 2019, 09:42:15 PM »
Always thought the Ariens Razor mowers were pretty good value at first glance.  Now with some of them constantly losing drive because the belt jumping off the front pulley, and one I repaired today which had one rear wheel with the gear slipping.  The more I look the more I ask myself, why.

Why do they make the front part of the belt cover like that, it's the main cause of the belt being pushed up above the crank pulley.  It should be shaped so it's parallel to the pulley, and not angled further away as it goes up.  Whenever the belt comes off you'll always find it sitting on the crank above the pulley.

Pinion in the rear wheels, they hardly mesh with the gear on the wheel, this one was slipping and only a small amount of wear on the pinion itself.  Then I got hold of the shaft and the gearbox shaft complete with pinion moved up and down quite a lot, hence why it was slipping.  Why the hell don't they use a proper bearing here, instead of a casting, or at the very least provide a way to lubricate it.   I'm not so impressed if I'm honest.

Here's a pic of the bearing



This is the pinion



And to top it off, the bushing which is also steel had seized onto the spindle, and came out with it.



9
Lawn mowers / Who's got one of the new Hayter Harrier's
« on: June 14, 2019, 04:55:47 PM »
Who's got one of the new hayter Harrier 48 Model 475A, 48 Pro 479A, Or 56: 575A, 56 Pro 579A? Just wondering what you think of them compared to the older models.  These are the ones with the BBC blade clutch.

Think the contractor will love them as they are so bloody fast compared to the older models.  In fact if I didn't know better I'd say they have made them a tad too fast for most users. That said they do already supply a kit to sow them down, but I haven't seen or fitted one yet.

10
General Discussion / Euro Car Parts
« on: June 01, 2019, 12:55:42 PM »
https://www.eurocarparts.com/

Two days left to get 50% off Brakes, Filters, Batteries, and Oils etc.

Use Code: SALE55 at checkout, or apply it to your basket to see the savings.

11
Cordless Power Tools / A good year for cordless mowers
« on: May 04, 2019, 05:55:55 PM »
Quite a few cordless mowers being sold this year, they seem to be catching on. 

My favourite is still the EGO range though.  Like the idea of having separate motors for the drive and blade, and all controlled by simple switches.

12
Lawn mowers / Briggs Instart engines. @BriggsStratton
« on: May 04, 2019, 09:48:39 AM »
Had four machines in a week all with Briggs Instart engines, and all but one with the same, known electric start fault. 

The fourth one having a faulty decompressor and that causing the battery to have a fit, and shut down. This was on a brand new Harrier 56 which was two days old, and used for the first time.

This system has been out for a while, but it's strange we have all these at the same time, I've a feeling there might be more to come.

13
Read so many posts about engine porting, and I realise when this is done properly you will gain extra power / speed from your chainsaw.

Then you read about the guys who opened up their muffler / exhaust on their brand new chainsaw and it runs so much better.  This begs me to ask the question.  Taking into account that a blocked muffler will defo have a negative affect.

Does opening up the exhaust really give you extra power?  How much of this is placebo effect on the user, I mean the extra noise possibly making it sound more powerful, and actually not having any affect on the performance at all, apart from making it possibly worse.

In my opinion the stock muffler should be optimised from the factory for max performance and longevity of the saw, not to mention noise levels, and emissions = (CAT versions).

What's your take on all this?

14
Lawn mowers / Top Tips
« on: November 30, 2018, 07:50:48 AM »
When replacing the gearbox on your lawnmower, always replace the clutch cable at the same time. Otherwise the life of your new gearbox could be shortened considerably.

Make this part of your routine.

15
Lawn mowers / Weibang 48V
« on: November 29, 2018, 11:16:16 PM »
Changed the gearbox on a Weibang 48V today. Fairly easy job apart from getting hold of the correct clutch cable to go with it.  UK distributor supplied the gearbox and cable together but the cable is completely different from the original, and it doesn't fit. 

It reminded me as to why I don't like repairing Weibang machines.  :(

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