PAGE 27 — JTNSW20-24HTCSL SERIES RIDE-ON TROWEL • OPERATION MANUAL — REV. #1 (3/24/16)
MAINTENANCE
Fuel Filter (200 Hours)
1. Replace the engine fuel filter (Figure 18) every 200 hours.
Figure 18. Honda Fuel Filter
FUEL FILTER CHANGE
1. Replace the engine fuel filter (Figure 19) every year or
300 hours.
Figure 19. Fuel Filter
SPARK PLUG ADJUSTMENT
1. Make sure the engine is cool before servicing the
spark plugs.
2. Disconnect the spark plug caps. Check for dirt and
remove any dirt from around the spark plug area.
3. Remove the spark plugs with a 5/8-inch spark plug
wrench.
4. If the spark plugs are damaged, the sealing washer is
in poor condition, or if the electrode is worn, replace
the spark plugs.
5. Measure the spark plug electrode gap (Figure 20) with
a wire-type feeler gauge. If needed, adjust the gap to
0.7 - 0.8 mm (0.028 - 0.031 in), by carefully bending
the side electrode.
Figure 20. Spark Plug Gap Adjustment
6. Install the spark plug carefully, by hand, to avoid cross
threading.
7. After the spark plug is seated, tighten with a 5/8-inch
spark plug wrench to compress the sealing washer.
8. When installing a new spark plug, tighten 1/2 turn, after
the spark plug seats, to compress the washer.
9. When reinstalling the original spark plug, tighten 1/8 1/4
turn after the spark plug seats to compress the washer.
10. Reattach the spark plug caps
ENGINE TUNE-UP ENGINE
See your engine manual for specific information on tuning up
your engine, checking and gaping the spark plugs, etc.
LONG TERM STORAGE
Drain the fuel tank completely, or add STA-BIL to the fuel.
Remove spark plug and pour a few drops of motor oil into
cylinder. Crank engine 3 to 4 times so that oil reaches
all internal parts.
Clean exterior with a cloth soaked in clean oil.
Remove the battery.
Store unit covered with plastic sheet in moisture and
dust-free location out of direct sunlight.
GAP
.024 - .028 IN.
(0.6- 0.7 MM.)
NOTICE
See the engine manual supplied with your machine
for appropriate engine maintenance schedule and
troubleshooting guide for problems.
CAUTION
NEVER
store the ride-on trowel with fuel in the tank for
any extended period of time. Always clean up spilled fuel
immediately.
