Operation Manual
–
Spider 2SGS EFI
41 / 55
rev. 01-01-02-2021
11.16 MOWING BLADES
Check the state of cutting blades in regular intervals
The blades:
•
Must not show signs of damage such as twisted,
bent or deformed parts of blades.
•
Must be properly attached by the flange in the
middle of blades.
•
Must be sharp.
•
The fastening bolts of the flange must not be
damaged.
For proper and reliable functioning, the blades are
statically balanced by the manufacturer. This balance
must be preserved during the entire use of the blade
The blade must be statically balanced after each
sharpening
To tighten the blade, use a torque wrench and a
specified tightening torque of 60 Nm
If the blades are damaged, it is prohibited to:
Straighten
them Heat
them Weld
them
Ream them or otherwise change
their construction.
When replacing worn-out parts follow these rules:
•
The blade may only be sharpened within the
permitted wear limit. Balancing must be carried
out after sharpening.
•
The blade cannot be repaired.
•
When changing the blade, use new fastening
bolts if the current ones show signs of damage.
Only high-tensile steel bolts may be used for this
purpose. No other steel bolts are acceptable.
•
If the mowing mechanism vibrates when
engaged, do not continue operating the mower,
turn it off and contact your local dealer.
•
To tighten bolts, use torque listed in the chart at
the end of this chapter (see 11.22)
Changing the mowing blades
Raise the mowing device to the service position.
Stop the engine, switch off the RC and push the
emergency button on the body of the mower.
Disconnect the spark plug and battery.
Lift one side of the mower until it leans against the
handles on the other side. Always lift the mower on
the Control unit side tilt it against the fuel tank side
to prevent oil entering the air cleaner.
Secure the lifted side against
falling by supporting it.
Use gloves when changing the
blades
.
Loosen the fastening bolts. Remove the bolts and
the washers. Be careful when removing the last bolt,
the blade may fall to the ground.
After the blade is replaced, fasten it by working in
the reversed order.
Always check the bolts when fastening the blade.
After attaching the blades, check their tightness. Be
very careful when engaging the mowing mechanism
for the first time after replacement. Check for
unknown sounds, vibrations etc.
Always lift the mower on the
control unit side and tilt against
the fuel tank side to prevent oil
entering the air cleaner. Be aware
of oil spills.
IT IS PREFERABLE TO LIFT THE
MOWER
INTO
THE
SERVICE
POSITION WHEN THE ENGINE IS
COLD.
THE
MOWER
MUST
NOT
REMAIN
IN
THE
SERVICE
POSITION FOR MORE THAN 2
HOURS. Exceeding this time can
lead to unrecoverable damage to
the machine.