Changing The Oil; Air Filter Maintenance - Troy-Bilt TB144 Operator's Manual

O-Ring
Oil Fill
Oil Fill Hole
Fig. 16
NOTE: Make sure the O-ring is in place on the oil fill plug!dipstick
when checking and changing the oil (Fig. 16).
CHANGING THE OIL
For a new engine, change the oil after the first 10 hours of
operation. Change the oil while the engine is still warm. The oil will
flow freely and carry away more impurities.
CAUTION: Wear gloves to prevent injury when
handling the unit.
1. Unplug spark plug wire to prevent accidental starting.
2. Remove the oil fill plug/dipstick.
3. Pour the oil out of the oil fill hole and into a container by
tipping the unit to a vertical position (Fig. 17). Allow ample
time for complete drainage.
5,
NOTE:
Fig. 17
4. Wipe up any oil residue on the unit and clean up any oil
that may have spilled. Dispose of the oil according to
Federal, State and local regulations.
Refill the crankcase with 3.04 fluid ounce (90 ml) of SAE 30
SF, SG, SH oil.
Use the bottle and spout saved from initial use to measure
the correct amount of oil. Pour fresh fuel into the bottle
and fill it to the top of the label. The top of the label on the
bottle measures approximately 3.04 ounces (90 ml).
Check the level with the dipstick. If the level is low, add a
small amount of oil and recheck. Do not overfill (Fig. 18).
6. Replace the oil fill plug/dipstick.
7. Reconnect the spark plug wire.
4-Cycle Motor Oil I
Fill Level
Fig. 18
AIR FILTER MAINTENANCE
Cleaning the Air Filter
Clean and re-oil the air filter every 10 hours of operation. It is
an important item to maintain. Failure to maintain your air filter
properly can result in poor performance or can cause
permanent damage to your engine.
,_ WARNING: To avoid serious personal injury, J
always turn the unit off and allow it to cool before
you clean or service it.
1. Open the air filter cover. Push the tab on the left side of the
cover in, swing the air filter cover out and off the air filter
housing (Fig. 19).
2. Remove the air filter and the screen that sits behind it (Fig. 19).
Choke Lever
Slot
Air Filter Housing
F_
Air Filter
Screen Air Filter
/ /
Air Filter Cover
Hooks _k
Tab
Fig. 19
11