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Snapper 18HP, 19HP Operator's Manual: Checking Tire Pressures; Checking/adding Fuel; Fuel Filter; Engine Maintenance

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Tire pressure should be checked periodically, and main-
tained at the levels shown in the chart. Note that these
pressures may differ slightly from the "Max Inflation"
stamped on the side-wall of the tires. The pressures
shown provide proper traction, improve cut quality, and
extend tire life.
To add fuel:
1. Remove the fuel cap (see A, Figure 17).
2. Fill the tank to the bottom of the filler neck. This will
allow for fuel expansion.
NOTE: Do not overfill. Refer to your engine manual for
specific fuel recommendations.
3. Install and hand tighten the fuel cap.
The fuel filter is located in the fuel line between fuel tank
and fuel pump. If the filter is dirty or clogged, replace as
1. Shut off the fuel valve or drain the fuel tank.
2. Disconnect the negative battery cable.
3. Place a container below the filter to catch spilled fuel.
4. Using a pliers, open and slide hose clamps from fuel
filter (C, Figure 17).
5. Remove hoses from filter.
6. Install new filter in proper flow direction in fuel line.
7. Secure with hose clamps.
8. Reconnect the negative battery cable when finished.
Refer to engine owners manual for all engine mainte-
nance procedures and recommendations.
Oil Type: Mobil 1™ 15W-50 synthetic oil, Castrol
Syntec™ 5W-50 oil, or 20W-50 conventional detergent
motor oil.
1. Check the oil level when the unit is cold. The inspec-
tion port is located on the inside of the right tank
cover. The oil level should be within 1/2" (1.3 cm) of
the horizontal level mark (D, Figure 18). If the oil is
below this level, proceed to step 2.
2. Before removing the reservoir cap, make sure the
area around the reservoir cap and fill neck of the
reservoir is free of dust, dirt, or other debris. Loosen
the locking capscrew (E, Figure 17) securing the lock-
ing tab (D), slide the lock tab back, and remove the
cap (B).
Figure 16. Checking Tire Pressure
Gasoline is highly flammable and must be
handled with care. Never fill the tank when the
engine is still hot from recent operation. Do not
allow open flame, smoking or matches in the area.
Avoid over-filling and wipe up any spills.
Do not remove fuel filter when engine is hot, as
spilled gasoline may ignite. DO NOT spread hose
clamps further than necessary. Ensure clamps
grip hoses firmly over filter after installation.
Do not use gasoline containing METHANOL,
gasohol containing more than 10% ethanol,
gasoline additives, premium gasoline, or white
gas because engine/fuel system damage
could result.
Figure 17. Maintenance
A. Fuel Tank Cap
B. Transmission Oil Cap
C. Fuel Filter
D. Locking Tab
E. Locking Screw
Regular Maintenance
40 psi (2,76 bar)
15 psi (1,03 bar)

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