Maintenance Schedule - RedMax CHT220 Manual De Instrucciones

9. Maintenance

■ 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 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 if the blade guard 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.
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 (.20"), 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 carburetor 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 inside of the fuel tank.
Check the inside of the fuel filter for any dirt or if the fuel hose has any
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 authorized service workshop.
Replace the spark plug. Check that the spark plug is fitted with a
suppressor.
After 40
Before use:
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
CHT220/CHT220L
U
After 100
S
hours in use
X
X
X
X
X
US-17