Mountfield 2125H Bedienerhandbuch PDF herunterladen (Seite 18)

Engine Model:

RV150 and SV150

RV40, V35

Page

18 of 36 Mountfield150cc Selfhelp Guide 2011, Issue 1.0

7 Engine Cutting Out or Running Unevenly

QUICK TROUBLESHOOTING GUIDE:

Problem: Likely Cause: Solution:

Engine hunts

briefly and stops

• Fuel cap too tight

•

Loosen cap (see A)

Engine hunts

continuously

Engine stops

without hunting

and won’t start

again

• Dirt in fuel supply

• Air drawn into the engine from

a faulty manifold

• Faulty spark plug or faulty

spark plug connection

• Micro switch not engaging

• Faulty coil

•

Replace fuel (See B)

• Refer to dealer

• Check for a spark (See

• Adjust (see D)

• Refer to dealer (see E)

A: The fuel tank on these gravity-fed engines breathes through the thread on the

fuel cap. An air lock may be created if the fuel cap is too tight. Typically, the

engine will not re-start for a period of minutes.

SOLUTION: Remove the fuel cap to let air back into the tank, replace

the cap and tighten it just finger-tight.

NOTE: Air trapped in the carburettor may still stop the engine starting. If so,:

place the mower on a solid surface, or patch of gravel or similar (fuel spillage

may kill the lawn or stain a patio):

1. Remove the spark plug cap (for safety), remove the air filter (for

visibility), tilt the mower BACKWARDS.

2. Viewed from the front, to the left of the spark plug and to the right of

where the air filter was you will see the float bowl on the carburettor.

A bolt holds the bowl in place on the very bottom, but on an angle

slightly closer to you is another bolt with a red washer.

3. With a 10mm spanner undo this bolt until petrol flows freely to bleed

the carburettor of any trapped air. Tighten the bolt once petrol is

flowing freely, replace the spark plug cap and the air filter.

B: With the mower on a solid surface, patch of gravel or similar…..

follow the points above, but in step 3 above REMOVE the bolt (taking care

not to lose the red washer). Allow the petrol to drain completely from the tank

before replacing the nut. Refill the tank with fresh unleaded fuel, and replace

the spark plug cap and air filter.

We advise the engine should be drained of fuel before storage for more

than 30 days. One should only buy fuel in quantities that can be used

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