Full Product Manual

22
MAINTENANCE
MAINTENANCE SCHEDULE
Perform these required maintenance procedures at the frequency
stated in the table. These procedures should also be a part of any
seasonal tune-up.
All service, other than the maintenance procedures described in
this manual, should be performed by an authorized service center.
NOTE: Some maintenance procedures may require special tools or
skills. If you are unsure about these procedures, take the unit to
an MTD authorized service center.
FREQUENCY MAINTENANCE REQUIRED
Before each
use
• Check for loose screws, nuts or bolts
(tighten as needed)
• Check for damaged or worn parts*
• Check the saw chain sharpness. Refer to
Sharpening the Saw Chain.
• Check the chain tension (adjust as needed).
Refer to Adjusting the Chain Tension.
• Fill the chain oil reservoir (refill frequently).
Refer to Adding Bar and Chain Oil.
After each use • Clean the unit and inspect decals. Refer to
Cleaning in the Cleaning and Storage
section.
Every 10 hours • Clean the guide bar groove and oil
passages.
CUSTOMER RESPONSIBILITY
* If maintenance or replacement is required, have the unit serviced
by an MTD authorized service center.
WARNING:
Wear protective clothing and observe all
safety instructions to prevent serious personal injury.
WARNING:
To prevent serious injury, never perform
maintenance on the unit while it is running. Always remove
the battery to prevent the unit from starting accidentally.
A
lways allow the unit to cool before maintaining the unit.
Before maintaining the battery charger, always unplug it
from the power outlet.
MAINTAINING THE BATTERY CHARGER
• Keep the battery charger clean and clear of debris. Do not allow
foreign material into the charging dock or onto the terminals (Fig.
35). Inspect the battery charger for foreign material before each use.
• Make sure the charger has not been shorted by debris. Inspect
the terminals for soot and signs of melting. Do not attempt to
use a shorted charger.
Fig. 35
Terminals
Charging Dock