Troubleshooting - Makita DLM537Z Instruction Manual

Removing or installing the mower
blade
WARNING:
The blade coasts for a few sec-
onds after releasing the switch. Do not start any
operation until the blade comes to a complete
stop.
WARNING:
Always remove the lock key and
battery cartridge when removing or installing the
blade. Failure to remove the lock key and battery
cartridge may cause a serious injury.
WARNING:
Always wear gloves when han-
dling the blade.
Removing the mower blade
1. Put the mower on its side so that the mowing
height adjusting lever comes to the upper side.
2.
To lock the blade, insert the pin supplied with the
machine into a hole on the mower body.
3. Turn the bolt counterclockwise with box wrench
17.
► Fig.34: 1. Mower blade 2. Pin 3. Box wrench

TROUBLESHOOTING

Before asking for repairs, conduct your own inspection first. If you find a problem that is not explained in the manual,
do not attempt to disassemble the machine. Instead, ask Makita Authorized Service Centers, always using Makita
replacement parts for repairs.
State of abnormality
Mower does not start.
Motor stops running after a little use.
Motor does not reach maximum
RPM.
Mower blade does not rotate:
stop the mower immediately!
Abnormal vibration:
stop the mower immediately!
Probable cause (malfunction)
Two battery cartridges are not installed.
Battery problem (under voltage)
The lock key is not inserted.
Battery selection switch is not in the
correct position.
Battery's charge level is low.
Cutting height is too low.
Cut grass is clogged in the mower.
Battery cartridge is installed improperly.
Battery power is dropping.
The drive system does not work
correctly.
Foreign object such as a branch is
jammed near the blade.
The drive system does not work
correctly.
Blade is imbalanced, excessively or
unevenly worn.
18 ENGLISH
4. Remove the bolt, and then mower blade.
► Fig.35: 1. Blade support 2. Mower blade 3. Bolt
4. Protrusion
NOTICE:
When installing the mower blade, make
sure that the protrusions on the blade support fit
in the holes in the mower blade.
Installing the mower blade
WARNING:
Install the mower blade carefully.
It has a top/bottom facing.
WARNING:
Tighten the bolt clockwise firmly
to secure the blade.
WARNING:
Make sure that the mower blade
and all the fixing parts are installed correctly and
tightened securely.
WARNING:
When you replace the blades,
always follow the instructions provided in this
manual.
NOTICE:
After installing the mower blades,
remove the pin from the mower body.
To install the mower blades, perform the removal proce-
dure in reverse.
Remedy
Install two charged battery cartridges.
Recharge the battery cartridge. If recharging is not
effective, replace battery cartridge.
Insert the lock key.
Select the battery port to which the battery car-
tridges are installed using the battery selection
switch.
Recharge the battery cartridge. If recharging is not
effective, replace battery cartridge.
Increase the cutting height.
Remove the clogged grass from the mower.
Install the battery cartridge as described in this
manual.
Recharge the battery cartridge. If recharging is not
effective, replace battery cartridge.
Ask your local authorized service center for repair.
Remove the foreign object.
Ask your local authorized service center for repair.
Replace the blade.