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Centrifugal Pump Operator's Manual 15
Service
5. Install spark plug.
Reinstalling used plug: Tighten 1/8 - 1/4 turn after spark plug seats to compress
washer.
Installing new plug: Use NGK BPR6ES
ADJUSTING RPM
1. Start engine. Allow it to warm to normal
operating temperature.
2. Move throttle lever to its minimum position.
3. With engine idling, turn throttle stop screw (A)
to obtain standard idle speed.
NOTE: Standard idle speed is 1250 - 1550
RPM.
NOTE: Idle should be serviced every 300
hours by an authorized dealer. Operator
should adjust only if mechanically procient and using proper tools.
CLEANING SEDIMENT CUP
CAUTION: CLEAN SEDIMENT CUP IN A
WELL VENTILATED AREA, AWAY FROM
SPARKS OR FLAME, INCLUDING ANY
APPLIANCE WITH A PILOT LIGHT. DO NOT
USE GASOLINE OR A LOW FLASH-POINT
SOLVENT TO CLEAN THE FUEL VALVE. A FIRE
OR EXPLOSION COULD RESULT.
NOTE:Clean sediment cup after every 100 hours of use.
1. Turn fuel valve (A) to left as illustrated to shut
off the fuel ow.
2. Remove cap screw (B) with a 10mm wrench.
Remove sediment cup (C) and o-ring.
3. Remove any sediment or other foreign matter
and wash in nonammable or high ash point
solvent. Dry thoroughly.
4. Install o-ring and sediment cup with cap
screw.
5. Turn fuel valve right to “ON” position and check
for fuel leaks.
A
C
B
A