Global Machinery Company RL504 User Manual

Page 11

12. If the blades do come into contact with something or the

mower starts to vibrate stop the engine immediately,

remove the spark plug lead and inspect to see if there

is any damage.

Emptying the grass catcher

Note.

Before making any adjustment or maintenance

procedures to the mower ensure it is turned off and the

spark plug lead is removed.
To remove the catcher, raise the guard while lifting the

catcher to dislodge it from the hooks.

WARNING.

Check the catcher frequently for cracks and

wear and replace it if damaged.
Do not leave clippings in the catcher for extended periods.

Replacing the blades

Note.

Before making any adjustment or maintenance

procedures to the mower ensure it is turned off and the

spark plug lead is removed.

Note.

Wear heavy gloves to protect your hands.

1. Tilt the mower back so the spark plug is facing up.
2. Remove the blade disc with a spanner to remove the

central blade bolt first.

3. Remove all 4 single blades including the washer

and nuts.

4. Clean dirt and grass from around the blade mounting area.

5. Replace all 4 blades to

ensure a smooth even cut.

By replacing the washer, then

the half washer, then the nut

securing the blade firmly,

(25 – 30Nm) repeat this for

the other 3 blades.

6. Replace the blade disc and

retighten the central blade bolt

tightly (50 – 59Nm).

Note.

Use a wooden block to stop the blade from turning.

The 4 blades should be tightened fully but check to ensure

they can still swing back if they were to hit a solid object.
Where required tighten the bolts with a torque wrench,

the centre disc blade bolt torque: 50 – 59Nm and the four

blades torque: 25 – 30Nm.
If you do not have a torque wrench ask a mower service

dealer to tighten the blade bolts before you use the mower.

WARNING.

If the blade bolts are not tightened correctly

they could loosen and/or come out and it would be possible

for the blades to fly off while you are operating the mower.

Maintenance

For all maintenance information refer to the Briggs &

Stratton instruction manual.