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Customer Helpline 

0845 034 2279

www.gardenservicecentre.co.uk

Customer Helpline 

0845 034 2279

www.gardenservicecentre.co.uk

Maintenance

0.7-0.8 mm

2c

2b

2a

Cleaning or Replacing Air Filter

WARNING! 

Never run the engine without the air filter element installed.

1. Loosen the fastener (A) that holds the cover (B).

2. Open the cover and remove the filter (D).
3. To loosen debris, gently tap the filter on a hard surface. If the filter is excessively dirty, replace 

with a new filter.
4. Install the filter.

5. Install the cover tabs (F) into the slots (G).
6. Close the cover and secure with the fastener (A).

Maintenance

Cleaning or Replacing Spark Plug

2a Once the engine has cooled, pull off the spark plug boot with a twist. Remove the spark plug 

using the socket spanner supplied.
2b Clean the plug with a wire brush.
2c Using a feeler gauge set the gap to 0.7mm~0.8mm.
2d Install the spark plug carefully by hand, to avoid cross-threading.
2e After the spark plug is seated, tighten with the spanner to compress the washer.

Changing the Oil

Tilt the lawnmower towards the oil filler, have a container ready to catch the oil and remove the 

dipstick. Once the oil has been emptied, wipe clean any spillages.

Refill with 500ml SAE30 oil or equivalent ie SAE5W/30, SAE10W/30). When the dipstick is rested 

on the filler pipe, the oil level must be between the min and max marks on the dipstick.

See “Filling with Engine Oil’’. Do not overfill.

Start the engine and allow it to run briefly.

Stop the engine, wait one minute and check the oil level. Top up if necessary.

Replacing Cutting Blade

WARNING!

 

- Before you remove the grass collection bag, stop the engine and wait until the blade stops 

completely.
- You will need garden gloves (not provided) and a spanner wrench to remove the blade.
- Always handle the blade with care- sharp edges could cause injury USE GLOVES. 
- Don’t hold the blade by hand directly.

IMPORTANT! Disconnect the spark plug before doing any maintenance.

Renew your metal blade after 50Hrs mowing or 2yrs which ever is sooner regardless of 

condition.

Regularly check your blade. If the cut of your grass is poor, the blade might be blunt. Damaged 

blades not only result in a bad cut, they cause excessive vibration and uneconomical running of 

the engine. If the blade has worn excessively and become pitted and blunt, it should be replaced or 

sharpened. 

A

B

C

D

E

F

G

Summary of Contents for XSZ51A-SD

Page 1: ...uctions fully before starting assembly These instructions contain important information that will help you get the best from your lawnmower ensuring it is assembled correctly and safely Oct 2013 Rev B...

Page 2: ...rsonal Safety WARNING Keep this assembly manual in a safe place following assembly for reference at a later date Always ensure anyone intending to operate this lawnmower is fully conversant with the c...

Page 3: ...th local recycling schemes Before assembling the lawnmower check all the parts indicated in the manual are in the box Inspect all the parts for signs of damage Do not assemble the lawnmower if you obs...

Page 4: ...handle Customer Helpline 0845 034 2279 Our dedicated UK based customer helpline is open 7 days a week to assist you with assembly parts queries and technical support We are open during office hours bu...

Page 5: ...se instructions fully before starting assembly These instructions contain important information that will help you get the best from your lawnmower ensuring it is assembled correctly and safely Scan t...

Page 6: ...Air filter 16 Clean or Replace Spark Plug 16 Changing the Oil 17 Replacing Cutting Blade 17 List of Consumable Qualcast Parts 18 Troubleshooting 19 Technical Data 20 Disposal 20 Getting Help 20 Guaran...

Page 7: ...devices for example deflectors and or grass catchers in place Do not change the engine governor settings or over speed the engine Start the engine carefully according to instructions and with feet wel...

Page 8: ...ent eg 5W 30 often termed as 4 Stroke lawn mower oil Only use additives recommended by the engine manufacturer To prolong the life of your engine it is important that the oil is changed after the firs...

Page 9: ...l with petrol 3 Refuel carefully to avoid overfilling or spilling fuel to allow for expansion There should be no fuel in the filler neck 4 Clean up any overflow or splashes of petrol before starting t...

Page 10: ...release stop start bar 2c 2d Failure to start If the engine won t start after you have operated the starter several times the engine may be flooded with excess fuel Use following procedure to clear an...

Page 11: ...charge flap with one hand and remove the grass bag using its handle with your other hand To maintain safety the discharge flap will close back to cover the mulching plug when you release the flap Empt...

Page 12: ...ct the paint 7 Store the machine in a well ventilated place Check oil level before starting the engine and ensure of sufficient oil level see page 7 Check spark plug inserted correctly see page 16 Fil...

Page 13: ...ve a container ready to catch the oil and remove the dipstick Once the oil has been emptied wipe clean any spillages Refill with 500ml SAE30 oil or equivalent ie SAE5W 30 SAE10W 30 When the dipstick i...

Page 14: ...lter is soiled Spark plug is soiled Clean the air filter Clean the spark plug Uneven mowing results Blade is blunt Cutting height is too low Sharpen the blade Set correct height Unsatisfactory grass c...

Page 15: ...urchased within 2 years prior to the claim from the retailer that it was originally sold to 2 Our guarantee covers problems caused by material or manufacturing defects and will result in the repair of...

Page 16: ...ger The associated technical file for this product can be found within e Document system by contacting persons named above 2000 14 EC Annex VI as amended by 2005 88 EC Type of Product Petrol lawn mowe...

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