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

Page 12

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POW63770

EN

Copyright © 2012 VARO

P a g e

| 12

www.varo.com

§ 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.

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