Stiga Park Diesel

[Billhook]

I cannot start the engine, a Hatz diesel and suspect the starter solenoid. But it does not seem to have a conventional solenoid on the starter and was wondering if this object was the relay.

[GarethM]

That's a voltage regulator.

 

Starter Motor For Hatz 1B20 1B30 1B40 S114-414 S114-651

WWW.EBAY.CO.UK

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https://www.hatz-diesel.com/fileadmin/tx_hatzproducts/ebook_BA_1BV_43380278_EN.pdf&ved=2ahUKEwiohoX56ef_AhUKLsAKHRjTAtEQFnoECAcQAQ&usg=AOvVaw1AGAy1zzwXPhp_ljJirO_P

 

Edited June 29, 2023 by GarethM

[Billhook]

Thank you for that.  The thing is that it looked so much like what I assume is a combined relay sensor on the back of the radiator fan on my Volvo XC70

 

[GarethM]

Yeah, the Bosch 1137328081 part is probably a huge relay or maybe a soft starter.

 

As it's 12v DC they have to make them pretty beefy due to the large amount of amp draw and inevitable arc when switching on/off.

Edited June 29, 2023 by GarethM

[Peter 1955]

If the picture of the Ebay one is correct, it's not unknown for the solenoid to fail on all such starters. Often they pull into place, but the contacts are worn by arcing, and the starter doesn't turn. In the old Lucas days, we'd regularly swap one, but now it's all exchange or new unit. 

[Billhook]

Thanks to both for your comments.  I need to test the wires around it to see if there is any current there,  If there is then it looks like a new unit is needed.

[GarethM]

I would also look and test this, they do fail.

 

STIGA PARK RIDE-ON LAWNMOWER 12V STARTER SOLENOID 1134-2962-01

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[Treeman123]

I have the exact same engine. The solenoid has failed a few times. Cheaper to buy the full starter. Got mine from  www.nixonhire.com they are Hatz dealer.