Webb WER21HW Operator's Manual - page 12
11
MAINTENANCE SCHEDULE
REGULAR SERVICE
PERIOD
Before
Each
Use
First
Month
or
5 Hrs
Every 3
Months
or
25 Hrs
Every 6
Months
or
50 Hrs
Every
Year
or
100
Hrs
Every
Two
Years
or 250
Hrs
Page
ITEM
Perform at every indicated
month or operating hour
interval, whichever comes
first.
Engine
oil
Check
6
Replace
Air cleaner Check
10
Replace
Spark plug Check-adjust
9
Replace
Flywheel
brake pad
(A types)
Check
-
Fuel tank
and filter
Clean
Engine
manual
Fuel tube
Check
Every 2 years (Replace if necessary)
Engine
manual
Valve
clearance
Check-adjust
Engine
manual
Combustion
chamber
Clean
After every 200 hours
-
TROUBLE SHOOTING
ENGINE WILL NOT START
Possible Cause
Correction
1. Check fuel.
Out of fuel.
Refuel.
Bad fuel: engine stored without
draining petrol, or refueled with
bad petrol
Drain the fuel tank and carburetor
(p.10). Refuel with fresh petrol.
2. Remove and inspect the spark
plug.
Spark plug faulty, fouled, or
improperly gapped.
Replace the spark plug (p.9).
Spark plug wet with fuel (flooded
engine).
Dry and reinstall spark plug.
3. Take the engine to an
authorised service dealer, or refer
to the engine manual.
Fuel filter clogged, carburetor
malfunction, ignition
malfunction, valves stuck, etc.
Replace or repair faulty components
as necessary.
4. Push the primer button
Cold start.
Push the primer button.