Air Filter Assembly (Cartridge With Pre-Cleaner); Check The Spark Plugs; Pushing The Tractor By Hand; Towed Equipment - Briggs & Stratton 2691485-00 Manual Del Operario

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7. After the oil has drained, install the cap tightly, then attach
the hose to the side of the engine. 
8. Remove the oil filter (B, Figure 10) and discard. 
 
9. Lightly lubricate the oil filter gasket (A) with clean oil. 
10. Install the oil filter by hand until the gasket touches the
oil filter adapter (C). Then, tighten the oil filter 1/2 to 3/4
turns. 
11. Add oil. Refer to the Check and Add Engine Oil section. 
Air Filter Assembly (Cartridge with pre-
cleaner)
WARNING
Never start or run the engine with the air cleaner assembly
or air filter removed as it is a fire hazard. 
NOTICE
Do not use pressurized air or solvents to clean the filter.
Pressurized air can damage the filter and solvents will
dissolve the filter. 
1. Loosen the fasteners (A, Figure 11) and remove the
cover (B). 
2. Remove the air cleaner assembly (C) and disassemble. 
3. Clean up any possible debris that might get into the
carburetor throat (D). 
4. Remove the pre-cleaner from the air filter. 
5. To loosen debris, gently tap the air filter on a hard
surface. If the air filter is excessively dirty, replace with a
new air filter. 
6. Wash the pre-cleaner in liquid detergent and water. Then
allow it to thoroughly air dry. Do not oil the pre-cleaner. 
7. Assemble the dry pre-cleaner to the air filter. 
8.  Install the air filter assembly. 
9.  Install the cover and secure the fasteners. 

Check the Spark Plugs

WARNING
Unintentional sparking can result in fire or electric shock. 
Unintentional start-up can result in entanglement, traumatic
amputation, or laceration. 
 When testing for spark: 
• Use approved spark plug tester. 
• Do not check for spark with spark plug removed. 
NOTICE
Spark plugs have different heat ranges. It is important that
the correct spark plug is used, otherwise, engine damage
can occur. Replace the spark plug with the same type or
equivalent one. 
Clean Spark Plug 
16
Clean the spark plug with a wire brush and sturdy knife. Do
NOT use abrasives. 
Check Spark Plug Gap 
Use a spark plug feeler gauge (A, Figure 12) to check the
gap between the two electrodes. When the gap is correct, the
gauge will drag slightly as you pull it through the gap. 
To adjust the spark plug gap, use a spark plug gauge and
gently bend the curved electrode. Make sure that you do not
touch the center electrode or the porcelain.  
Install Spark Plug 
Tighten the spark plug with your fingers, and then, tighten it
with a wrench as shown in Figure 13. 
• 180 in-lbs (20 Nm), OR 
• 1/2 turn when you install the original spark plug. 1/4 turn
when you install a new spark plug. 

Pushing the Tractor by Hand

1. Disengage the Power-Take-Off switch (D, Figure 3). 
2. Turn the engine OFF. 
3. Pull the lever toward the front of the unit, and push down
to lock in place. For tractors with a suspension system
(A), and tractors with a fixed frame (B) refer to Figure 14.
The tractor can now be pushed by hand.
WARNING
Towing the unit will cause transmission damage. Do not use
another vehicle to push or pull this unit. Do not actuate the
transmission release lever while the engine is running. 

Towed Equipment

1. Before you tow the unit, make sure that the hitch is
designed for towing.  
2. Attach towed equipment ONLY at the hitch point. 
3. For towed equipment and towing on slopes, follow the
weight limit recommendations listed below.
• Gross weight (trailer and load) of 400 lb (181.4 kg). 
• Maximum of 20 lb (9.1 kg) foot up or down on the
tongue. 
• Go from a 10° limit to a 5° limit on any slope. 
4. DO NOT let children or others in or on towed equipment. 
5. The weight of the towed equipment on slopes can cause
loss of traction and loss of control. 
6. DO NOT shift to neutral and coast down hill. 

Clean the Mower Deck (if equipped)

Note: 
Use the washout port (C, Figure 15) to clean the underside of
the mower deck. 
1. Put the rider on a smooth level surface. 
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