Troy-Bilt 13A877BT309 Riding Lawn Mower Model

Operator’s Manual - Page 13

For 13A877BT309.

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13Section 6 — Maintenance
7. Attach the air filter cover. See Figure 6-8. Turn thumb
screws clockwise a 1/4 turn until snug. Check for any
misalignment.
2
1
Air Filter
Cover
Figure 6-8
Spark Plug Service
WARNING: DO NOT check for spark with spark
plug removed. DO NOT crank engine with spark
plug removed.
To ensure proper engine operation, the spark plug must be
properly gapped and free of deposits.
1. Remove the spark plug boot and use a spark plug wrench
to remove the plug. See Figure 6-9.
Spark Plug Boot
Figure 6-9
4. Remove the foam pre-filter from around the paper air
filter. See Figure 6-6. Replace paper element when dirty or
damaged. Clean foam element or replace when damaged.
NOTE: The foam element cannot be purchased separately.
Air filter is only sold as an assembly.
Air FIlter
Pre-Filter
Figure 6-6
5. To clean foam element, wash in a mild liquid detergent and
water. Squeeze or press the foam element to rinse out dirt
and water. Do not twist; this could damage or tear the foam
element. Allow to dry thoroughly before using. DO NOT oil
the foam element.
6. Attach the new air filter with foam element, aligning the
hole in the air filter with the intake manifold. See Figure 6-7.
Intake
Manifold
Figure 6-7
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