11 maintenance schedule, 12 trouble shooting – Powerplus POW63770 LAWNMOWER 99CC 420MM EN User Manual
Page 12

POW63770
EN
Copyright © 2012 VARO
P a g e
| 12
§ Remove the drain bolt, then move the fuel valve lever to the ON position.
§ After all the fuel has drained into the container, reinstall the drain bolt and washer.
Tighten the drain bolt securely.
11 MAINTENANCE SCHEDULE
REGULAR SERVICE
PERIOD(4)
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
ITEM
Perform at every indicated
month or operating hour
interval, whichever comes
first.
Engine oil
Check
O
Replace
O
O(2)
Air cleaner
Check
O
Replace
O
Spark plug
Check-adjust
O
Replace
O
Flywheel
brake pad (A
types)
Check
O
Fuel tank
and filter
Clean
O(3)
Fuel tube
Check
Every 2 years (Replace if necessary)(3)
Valve
clearance
Check-adjust
O(3)
Combustion
chamber
Clean
After every 200 hours(3)
12 TROUBLE SHOOTING
ENGINE WILL NOT
START
Possible Cause
Correction
1.Check fuel.
Out of fuel.
Refuel
Bad fuel;engine stored
without treating or draining
fuel, of refueled with bad fuel
Drain the fuel tank and
carburetor. Refuel with fresh fuel.
2.Remove and inspect
spark plug.
Spark plug faulty, fouled, or
improperly gapped.
Replace the spark plug.
Spark plug wet with fuel
(flooded engine).
Dry and reintall spark plug.