Solo 637 - Troubleshooting and Maintenance Schedule; Self-Help Tips for Common Issues; Regular Maintenance Schedule

20
Self Help Tips
Engine does not start - No spark - Replace spark plug
- No fuel - Fill up
- Stale fuel - Flush tank, refuel with fresh fuel mix
- Ignition switch off - Set switch to "I"
- Spark plug fouled - Clean or replace
Chain does not rotate - Chain brake set to "ON" - Release chain brake
Chain rotates in idle - Idle speed to high - Turn idle set screw counter-clockwise
- Defevtive clutch (worn or damage) - Have service dealer replace clutch
Exhaust too "smokey" - Idle speed / carburetor setting too "ritch" - Adjust carburetor
- Too much oil in fuel mixture - Adjust fuel/oil mixture
- Air filter clogged - Clean or replace
- Partially closed choke - Open choke fully
Chain cuts poorly - Saw chain dull or incorrectly sharpened - Sharpen chain
- Carburetor setting incorrect - Tune with warm engine
- Air filter clogged - Clean or replace
No chain lubrication - Oil reservoir empty - Refill oil reservoir
- Oil port hole plugged - Clean
- Oil filter screen in reservoir clogged - Clean or replace
Maintenance Chart
For extended service life and to prevent damage, the following service should be carried out as scheduled.
Warranty claims are valid only if certified that such service has been done properly and regulaly.
Service
See
Page
As
req.
Monthly
Weekly
Daily
After each
refuel
Complete chain saw
Guide bar
Saw chain
Chain brake
Chain lubrification
Sprocket / Clutch
Clutch drum
Air filter
Air intake vents
Cylinder cooling fins
Carburetor
Spark plug
Fuel tank
Oil reservoir / Oil pick up
Engine block retention screws
Muffler bolts
Accessible nuts and bolds
Visual check / Condition inspection
Clean exterior
Operation check
Turn over guide bar
Check for wear / Damage
Grease bar nose sprocket
Clean bar groove / Oil exit bore
Clean inside of bar cover
Inspect to see if sharp
Check for correct chain tension
Check functioning
Clean
Adjust
Inspect
Inspect
Lubricate bearing
Clean
Replace
Clean
Clean
Adjust/Tune-ups
Check idle speed (Chain must not rotate)
Adjust idle speed
Clean electrode / Replace
Clean / Flush with gasoline (Petrol)
Clean
Re-tighten / Check
Inspect
Re-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
18
18
18
18
18
18
18
18
17
17
18
18
18
13
19
19
18
18
A
18
B/18
18
B
19
13
14
19