beautypg.com

Dolmar PS-420 User Manual

Page 41

background image

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.