Servicing The Spark Plug; Fuel System Maintenance; Cleaning The Fuel Cup And Screen - Toro Greensmaster Flex 1800 04040 Operator's Manual

Servicing the Spark Plug

Service Interval: Every 100 hours
Use an NGK BR 6HS spark plug or equivalent. The correct
air gap is 0.6 to 0.7 mm (0.024 to 0.028 inch).
1. Pull the molded wire off the spark plug
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g018272
Figure 35
1. Spark plug wire
2. Clean around the spark plug and remove the plug from
the cylinder head.
Important: Replace a cracked, fouled, or dirty
spark plug. Do not sand blast, scrape, or clean the
electrodes because engine damage could result
from grit entering the cylinder.
3. Set the air gap at 0.6 to 0.7 mm (0.024 to 0.028 inch)
(Figure 36). Install the correctly gapped spark plug and
tighten it firmly to 23 N-m (17 ft.-lb).
Figure 36
1. Center electrode insulator
2. Side electrode
(Figure 35).
3. Air gap – 0.6 to 0.7 mm
(0.024 to 0.028 inch)
Fuel System
Maintenance
Cleaning the Fuel Cup and
Screen
Service Interval: After the first 20 hours
Every 100 hours/Monthly (whichever comes first)
1. Close the fuel shut off valve and unscrew the fuel cup
from the filter body
Note: A 17mm 12 point socket will fit over the body
of the fuel cup and aid in the removal.
1. Shut off valve
2. Clean the fuel cup in clean gasoline and reinstall.
3. Unscrew and remove the fuel tank cap from the fuel
tank (Figure 38).
1. Fuel tank cap
4. Remove the fuel tank screen from inside the fuel tank.
5. Clean the screen in clean gasoline and reinstall in the
tank.
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(Figure 37).
Figure 37
2. Fuel cup
Figure 38
2. Fuel tank screen