7.5.2. Standard setting carburettor with limiter caps
7.5.2.1. Shut off the engine.
7.5.2.2. Screw down the high speed screw (H) and low speed screw
(L) counter
clockwise as far as stop (no more than 1/4 turn).
7.5.3. Carburettor without limiter caps.
7.5.3.1 Shut off the engine.
7.5.3.2. Carefully screw both adjusting screws down onto their seats (clockwis
e).
7.5.3.3. Open the high speed screw (H) one full turn.
7.5.3.4. Open the low speed screw (L) one full turn.
7.5.4. Adjusting
i
dIe
s
peed.
7.5.4.1. Engine stops while idling
7.5.4.2. Carry out standard setting on low speed screw.
7.5.4.3. Turn the idle speed screw (LA) clockwise until the engine runs
smoothly.
7.5.5. Erratic idling behavio
u
r, poor acceleration.
7.5.5.1. Carry out standard setting on low speed screw.
7.5.5.2. Turn low speed screw (L) counter
clockwise until the engine runs
and accelerates smoothly.
7.5.5.3. It is usually necessary to change the setting of the idle
speed screw (LA) after every correction to the low speed screw (L).
7.5.6. Fine Tuning for operation at high altitude.
7.5.6.1. If you intend to use your machine at high altitudes it is advisable that
your get your dealer to adjust the carburettor to make sure that your
machine runs at optimum performance.
7.6. Check the spark plug.
7.6.1. If engine is down on power, difficult to start or runs poorly at idle speed first
check the spark plug.
7.6.2. Turn off the machine remove the spark plug by unplugging HT lead (12) then
removing spark plug (13) by using supplied box spanner, turn box spanner in an anti-
clockwise direction.
7.6.3. Check electrode gap (A) and readjust if necessary to a gap between 0.6 to 0.7
mm.
7.6.4. Rectify the problems which have caused fouling of spark plug:
To much oil in fuel mix.
Dirty air filter.
Unfavourable running conditions.
7.6.5. Fit a new spark plug after about 100 operating hours or sooner if the
electrodes are badly eroded.
``
7.6.6. If the spark plug comes with a detachable adapter nut (1), screw it on firmly.
Page 16
Rev 2
Summary of Contents for HYB60
Page 1: ...LEAF BLOWER Model HYB60 User Manual...
Page 2: ...Page 2 Rev 2...
