Carburetor Adjustment; Storage - Wacker PT3A Manual De Operación

PT3A

1.27 Carburetor Adjustment

1. Start engine and allow it to warm up to operating
temperature.
(e)
2. Set pilot screw 2 turns out. See Note.
3. With the engine idling, turn pilot screw
the setting that produces the highest rpm.
4. After pilot screw is adjusted, turn throttle stop screw
(f)
to obtain the standard idle speed, 1400 ±150 rpm.
Note: On some engines the pilot screw is fitted with a
(g)
limiter cap to prevent excessive enrichment of the
air-fuel mixture in order to comply with emission regula-
tions. The mixture is set at the factory and no adjustment
should be necessary. Do not attempt to remove the
limiter cap. The limiter cap cannot be removed without
breaking the pilot screw.

1.28 Storage

If pump is being stored for more than 30 days:
1. Remove drain plug from pump casing and drain out
any water left in the housing.
2. Remove pump cover and clean inside of pump hous-
ing. Coat inside of pump with a light film of oil to
reduce corrosion. A spray can of oil works well for
this.
(e)
in or out to
g
3. Tape up suction and discharge ports to prevent
anything from falling into pump.
4. Change engine oil and follow procedures described in
engine manual for engine storage.
5. Cover pump and engine and store in a clean, dry area.
OPERATION
e
1015SD05
1A-15
1A
f