Maintenance Schedule - Husqvarna 122HD45 Operator's Manual

Maintenance schedule

The following is a list of the maintenance that must be performed on the machine. Most of the items are described in the
Maintenance section. The user must only carry out the maintenance and service work described in this manual. More
extensive work must be carried out by an authorized service workshop.
Maintenance
Clean the outside of the machine.
Make sure that the cooling system air intake is free of leaves and
debris.
Make sure the throttle trigger lock and the throttle function
correctly from a safety point of view.
In order to reduce the risk of fire, dirt, leaves and surplus
lubricant, etc must be cleaned from the muffler, exhaust pipe and
engine.
Check that the stop switch works correctly.
Check that the blades do not move when the engine is idling.
Check that the blades are undamaged and show no signs of
cracking or other damage. Replace the blades if necessary.
Check that the blade guard is not damaged or distorted. Replace
the blade guard if it is bent or damaged.
Replace the cutting unit if it is bent or damaged.
Check that the hand guard is not damaged. Replace the guard if
damaged.
Check that nuts and screws are tight.
Check that there are no fuel leaks from the engine, tank or fuel
lines.
Clean the air filter and oil it in.
Clean more often if conditions are exceptionally dusty.
Check the starter and starter cord.
Check that the vibration damping elements are not damaged.
Clean the outside of the spark plug. Remove it and check the
electrode gap. Adjust the gap to 0.5 mm (.020"), or replace the
spark plug. Check that the spark plug is fitted with a suppressor.
Clean the machine's cooling system.
Clean the outside of the carburettor and the space around it.
Fill the gear housing with grease. This should be carried out
approximately every 25 working hours.
Check that the screws that hold the blades together are correctly
tightened.
Check and clean the spark arrestor screen on the muffler (only
applies to mufflers fitted with a catalytic converter).
Clean the fuel tank.
Check the fuel filter from contamination and the fuel hose from
cracks or other defects. Replace if necessary.
Check all cables and connections.
Check the clutch, clutch springs and the clutch drum for wear.
Replace if necessary by an autorized service workshop.
Replace the spark plug. Check that the spark plug is fitted with a
suppressor.
MAINTENANCE
Before use:
After 40 hours
in use
After each time the machine is used
X
X
X
X
X
X
X
X
X
X
(25 tim).
X
X
X
X
X
X
X
X
After 100
hours in use
X
X
X
X
X
English – 19