Dolmar PS-420 - Manual (Page 41)

4
General Chain saw Clean exterior, check for damage. In case of damage,
have repaired by a qualified service center immediately
Saw chain Sharpen regulary, replace in good time -4
Chain brake Have inspected regularly at an authorized service center
Guide bar Turn over to ensure even wear of bearing surfaces
Replace in good time 2,5
Starter cable Check for damage. Replace if damaged. 9
Before each start Saw chain Inspect for damage and sharpness -4
Check chain tension 2,25
Guide bar Check for damage
Chain lubrication Functional check 29
Chain brake Functional check
Combination switch,
Safety locking button,
Throttle lever Functional check 0
Fuel/oil tank
cap Check for tightness and lekages
Every day Air filter Clean (several times daily if necessary) 37
Guide bar Check for damage, clean oil intake bore 5
Guide bar support Clean, in particular the oil guide groove 29,5
Idle speed Check (chain must not run) 2
Every week Fan housing Clean to maintain good cooling air flow. 17
Air filter compartment Clean to maintain good cooling air flow. 40
Fan compartment Clean to maintain good cooling air flow. 40
Cylinder fins Clean to maintain good cooling air flow. 40
Spark plug Check and replace if necessary 8
Muffler Check tightness of mounting, Check screws 17, 38
Chain guide Check 17
Screws and nuts Check their condition and that they are firmly secured.
Spark arrester screen Clean 40
Every 3 months Fuel filter Replace 40
Fuel, oil tanks Clean
Annually Chain saw Check at an authorized service center
Storage Chain saw Clean exterior, check for damage. In case of damage,
have repaired by a qualified service center immediately
Guide bar/chain Demount, clean and oil slightly
Clean the guide groove of the guide bar 5
Fuel, oil tanks Empty and clean
Carburetor Run empty
Page
Instructions for periodic maintenance
To ensure long life, prevent damage and ensure the full functioning of the safety features the following maintenance must be per-
formed regularly. Guarantee claims can be recognized only if this work is performed regularly and properly. Failure to perform the
prescribed maintenance work can lead to accidents!
The user of the chain saw must not perform maintenance work which is not described in the instruction manual. All such work must
be carried out by a DOLMAR service center.