Mantis 7222 Owner's Manual page 14

TROUBLE SHOOTING
Problem Cause Remedy-
1° Tines don't turn when throttle + Engine is not seated properly on the gear + Re+instaI1 engine following the instructions
is depressed on page I2 (How to reseat the _Tange).
2. Engine fails to start O11switch is in +o" position, Move switch to _+12+
3_ Engine hard to start.
4. Engine continuously floods.
* No fuel in tank.
+ Fuel strainer clogged.
* Fuel line clogged.
, Spark plug shorted or fouled+
* Spark plug is broken (cracked
porcelain or electrodes broken)
, ignition lead wire shorted, broken or
disconnected from spark plug.
* Ignition inoperative
* '&'ater in gasoline or stale fiael mixture.
+ lbo much oil i_ iuel mixture+
* Engine under or over choked
* Carbm,:tor out of adjustmenL
- Gasket leaks (carburetor or cylinder
base gaske0+
Weak spark at spark plug.
+ Fuel tank vent line is not in an
upright position.
o
Q
o
o
Fill Tank.
Replace Strainer.
Clean fuel line
Install new spark plug.
Replace spark plug.
Replace lead wire or attach to spark plug
Contact your local authorized dealer+
Drain entire system and refill with
fresh fuel.
Drair_ and refill with correct mixture.
If flooded by over choking, proceed
according to instructions iu operation+
section, If under choked, move choke
lever to dosed position m_d crank two or
three times.
See "Carbtxretor Adjustment'
Replace gaskets.
Contact your local authorized dealer+
Return the t:uel tank vent line to the
upright: position and place it under the
cyiinder cover in the small pocket" in
the cylinder cover
5+ There is black smoke coming from * The muffler screen is clogged * Clean carbon frorn mufIler screen (page 12)
exhaust
6. Engine misses.
+ Remove and clean.
* See '_Carburetor Adjustment2
* Clean or replace spark plug - set gap to
024-.028 in. (06-0.7 mm)
- Comact your local authorized dealer.
* Dirt in tuel line or carburetor.
+ Carburetor improperly adjusted+
* Spark plug fouled, broken or incorrect
gap setting_
* Weak or intermittent spark at spark plug.
* Air filter clogged
, Carburetor out of adjusnrmnt+
+ Muffler clogged
+ Clogged exhaust ports.
7+ Engine lacks power
o
+ Spark Arrestor Clogged. +
* Poor compression.
8+ Engine overheats. + Insut_icient oiI in fuel mixture + Mix fueI as described iu slarting
instructions.
+ Air flow obstructed + Clean flywheel cylinder fins and screen.
91 Engine noisy or knocking. + Spark plug in incorrect heat range. + Replace x_ith plugs specified for engine.
* Beatings, piston ring or cylinder walls + Contact your local authorized dealer
are worn.
i0. Engine stalls under load. + Carburetor adjustment mo 'leanY+ + See 'Carburetor AdjustmentY
+ * Remove dust and dirt from between fi_s+
Clean or replace air filter.
See "Carburetor A_ustment"
Clean carbon from muNer+
Remove muff lee rotate engine until the
piston is at top of cylinder. With a
wooden scraper or blunt tool. remove all
carbon from exhaust ports. Be carefu! not
to scratch or damage piston or cylinder
wails+ Blow out all loose ca_on with
compressed air+ Install muffler and gasket.
Clean Spark Arrestor
Contact your local authorized dealer.
14