Solo 640 - Maintenance Chart

26
SELF HELP TIPS
Engine will not start - No spark - Replace spark plug
- No fuel - Refuel
- Stale fuel - Flush tank, refuel with fresh mix
- Ignition switch off - Set switch to ”I”
- Spark plug dirty - Clean or replace
Chain will not move - Chain brake engaged - Release chain brake
Chain moves at idling speed - idling speed too high - Turn idling set screw (T)
anti-clockwise
- clutch damaged - Replace clutch
(see Service Center)
Excessive smoke in exhaust gas - Carburetor adjustment too rich - Retune carburetor
- Excessive oil in mixture - improve fuel mixing procedure
- air filter clogged - Clean or replace
- Partially closed choke - Open choke fully
Chain cuts poorly - Saw Chain blunt - sharpen saw chain
or incorrectly sharpened
- Carburetor setting incorrect - Tune with warm engine
- Air filter clogged - Clean or replace
No chain lubrication - Oil tank empty - Refill oil tank
- Oil exit port to bar blocked - Clean
- Clogged oil filter in tank - Clean or replace
MAINTENANCE CHART
For extended service life and to prevent damage, the following service work should be carried out as
scheduled. Warranty claims are valid only if such maintenance work has been done properly and regularly
Service
See
Page
As re-
quired
Monthly
Weekly Daily
Complete saw
Guide bar
Saw chain
Chain brake
Chain lubrication
Chain sprocket / clutch
Clutch drum
Air filter
Air inlet
Cylinder cooling fins
Carburetor
Spark plug
Fuel mix tank
Oil tank / Oil filter
Cylinder screws
Exhaust Screws
Other accessible screws and nuts
Visual check / General condition
Clean exterior
Operation check
Turn over guide bar
Check for wear and damage
Grease sprocket nose
Clean bar groove and oil inlet port
Clean inside of bar cover
General check / check sharpness
Check tension
Check operation
Clean
Adjust
Check
Check
Grease bearing
Clean
replace
clean
clean
Adjust
Check idling speed and re-adjust if required
(chain should not move)
adjust / replace
clean / flush with petrol
clean
Check/Retighten
Check
Check and tighten
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
24
24
23
23
24
24
24
28
24
24
24
24
24
25
26
28
25
After each
fueling