Maintenance General; Engine Air Cleaner; Spark Plug; Cutting Assembly - Rover 460 Manual Del Propietário

Rover Mowers Limited

3.1 Engine air cleaner

Refer to the engine manufacture's instructions for detailed
cleaning instructions.
The engine air cleaner element must be serviced after each
25 hours of normal mowing. The element must be serviced
more regularly if the mower is used in dusty conditions.
CAUTION
Do not allow dirt to enter the air tube, engine dam-
age may occur. Check the condition of the air tube
regularly and replace if damaged.

3.2 Spark plug

For best results remove and check the condition of the spark
plug every 25 hours of use.
1. Stop the engine and remove the spark plug lead.
2. Clean dirt from around the spark plug and remove
the spark plug.
3. Screw the spark plug into the engine and tighten to
20NM.
CAUTION
Do not over tighten the spark plug as engine damage
may occur.
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3. MAINTENANCE GENERAL

3.3 Cutting assembly

WARNING
Remove the spark plug lead before working on cutting
assembly.
Do not work on the cutting assembly without wearing
gloves.
1. Disconnect the spark plug lead.
2. Move the height of cut lever to the high cut position,
and fold the handle bars.
3. Tilt the mower so that the spark plug is up.
4. Inspect the cutting assembly for damage and wear.
5. Check the disc retaining bolts. Tighten the centre bolt
to 65 - 70 Nm.and the three concentric bolts to 8 - 11
Nm.
6. Return mower to its normal position and replace the
spark plug lead.

3.4 Blade change

1. Disconnect the spark plug lead.
2. Set the mower to the high cut position.
3. Lift the rear flap on rear catcher mowers and prop open
the flap to give access to the blades.
Tilt utility mowers so that the spark plug is up.
4. Remove the blade, blade retaining bolts, nuts and
washers and discard. Retain only the 'D' plates.
5. Fit new blades, blade bolts, washers, and nuts in sets
to maintain balance. Figure 6.
6. Tighten the blade nuts to 16 NM. Check the blades are
free to move when the blade nut is tensioned.
7. Remove the flap prop or lower the mower to the
ground and replace the spark plug lead.

3.5 Throttle control

Each 25 hours of mowing use a small amount of light oil to
lubricate the throttle control lever.