W
ARNING
Always wear adequate eye protection when grinding mower
blades.
DANGER
The blade adapter will come off when the blade cap screw
is removed. T
ouch-up sharpening can be done with a file.
Check the blades for balance following grinding. A
commercial balancing tool is available through most
hardware supply stores, or balancing can be done by placing
the blade on an inverted line punch or 1/2" bolt. Blade
should not lean or tilt. While spinning the blade slowly, it
should not wobble. If blade is out of balance, true it up
before reinstalling. Lay the blade on a flat surface and check
for distortion. Replace any distorted blade.
W
ARNING
• The blade sail (curved part) must be pointing upward
toward the inside of the deck to ensure proper cutting.
•
When mounting blades, rotate them after installation to
ensure blade tips do not touch each other or sides of the
mower.
• Failure to correctly torque the bolt may result in the loss
of the blade, which can cause serious injury.
• Mower blades are sharp and can cut. Wear gloves and
use extra caution when servicing them.
12.1.1 REMOVE THE BLADE
1. Turn key to “OFF” position, remove key from switch and
disconnect battery cables by pulling inward on RED
battery quick disconnect handle in battery box
compartment.
2.
Lift the front of the mower and block and secure the
machine to allow serviceman to change the blade under
the mower.
3. While wearing leather padded gloves, grasp the blade
closely with one hand in order to prevent the blade from
turning and use a 24mm wrench with your other hand to
loosen the bolt fixing its blade in place.
4. Turn the bolt COUNTERCLOCKWISE to loosen and
CLOCKWISE to tighten.
5. Remove the bolt and the blade.
6. To re-install the new blade, position the blade with the
cutting edges toward the ground. Assemble the bolt.
Using a socket or wrench, turn the blade nut
CLOCKWISE in order to secure the blade.
12.1.2 INSTALL THE BLADE
1. Place the blade with the cutting edges toward the ground.
2.
Install the bolt.
3. Turn the blade nut CLOCKWISE with a socket or wrench
to secure the blade.
12.2 TIRES
It is important for level mowing that all tires have the correct
amount of air pressure. The recommended pressure are:
Drive wheels 20 psi
Front caster wheels 20 psi
NOTE
Inspect the tires daily. Replace immediately if it is damaged.
12.3 LUBRICATION
Use SAE multi-purpose grease.
12.4 TORQUE VALUES
W
ARNING
Particular attention must be given to tightening the drive
wheel lug nuts and blade spindle bolts. Failure to correctly
torque these items may result in the loss of a wheel or blade,
which can cause serious damage or personal injury
.
Torque values are given below:
Part Ft-lbs. Nm
Wheel (lug) nuts
Blade spindle bolt
bottom
Lug nuts only -It is recommended that these be checked after
the first 2 hours of operation, initially
, every 100 hours and
following removal for repair or replacement.
For all other torques refer to the various mower parts manuals
for standard torque chart.
12.5 BATTERY MAINTENANCE
Your Greenworks Commercial mower is powered by a
lithium module which, when maintained properly
, will
provide years of useful life. For proper care, adhere to the
following instructions:
• Always charge batteries after each use, regardless of how
little used. Batteries must be attached to a plugged-in
battery charger with the charger power switch “ON”
when the unit is not being used.
• Check that battery cables are securely tightened to
batteries each time you service the battery.
• Keep grass, dirt and debris from collecting near battery
terminals.
• Batteries are not to remain in a discharged state or
damage to the batteries will occur.
• Charge batteries indoors in a well-ventilated and dry
location away from sparks or flames. Never expose
charger to rain, vapor or liquid.
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