Promate PH1500, Operator'S Manual, Page: 9 / 13

PERIODIC MAINTENANCE
ITEM NOTES
Daily (Before
operation)
Initial
20 hours
Every
50 hours
Every
100 hours
Spark Plug
Check condition. Adjust gap and clean.
Replace if necessary.
Engine Oil Check oil level.
Replace
.
Air Filter Clean, replace if necessary.
Fuel Filter Clean fuel filter and fuel tank strainer.
Replace if necessary.
Fuel Line Check fuel hose for cracks or other
damage. Replace if necessary.
Exhaust
System
Check for leakage. Retighten or
replace gasket if necessary.
Check muffler screen. Clean/
replace if necessary.
Carburetor Check choke operation.
Starting
System
Check recoil starter operation.
Fittings/
Fasteners
Check. Replace if necessary.
•
•
• •
•
•
•
•
•
•
•
•
CAUTION
MAINTENANCE
SPARK PLUG
Remove the spark plug and clean the electrodes
section with a wire brush or sandpaper. Next, set
the gap at .028/.031 inches (0.7-0.8 mm) by
adjusting the negative electrode. Replace the spark
plug with correct torque: 14 ft-lb (20 N.m)
Replace with only the same type of spark plug
which was removed. An improper spark plug can
cause the engine to overheat, emit smoke, or
otherwise perform poorly.
OIL TYPE
Use new good quality oil, SE, SF, or SD grade. The
oil to be used depends upon the temperature at
which the engine is operated:
Below 32°'b0 F (0°'b0 C)- SAE 10W, 10W-30, or 10W-40
32 to 80°'b0 F (0 to 25°'b0 C) -SAE 20W, 10W-30, or 10W-40
80 to 95°'b0 F (25 to 35°'b0 C) -SAE 30W, 10W-30, or 10W-40
Above 95°'b0 F (35°'b0 C) -SAE 40W
OIL REPLACEMENT
1. Change oil while engine is warm.
2. Place the generator unit on a level surface.
3. Remove the oil filler cap.
4. Open the oil drain plug and let oil drain
completely into a pan placed under the
engine.
5. Check gaskets. Replace if required.
6. Reinstall the oil drain plug and refill engine
with clean oil.
7. Replace the oil filler cap.
9