Troy-Bilt TB144 Operator's Manual page 10

MAINTENANCE SCHEDULE
Perform these required maintenance procedures at the
frequency stated in the table, These procedures should also be
a part of any seasonal tune-up.
NOTE: Some maintenance procedures may require special
tools or skills, If you are unsure about these procedures,
take your unit to a Troy-Bilt or other qualified service
dealer. Call 1-800-520-5520 for more information.
NOTE: Maintenance, replacement, or repair of the emission
control devices and system may be performed by a
Troy-Bilt or other qualified service dealer. Call 1-800-
520-5520 for more information.
_'1 WARNING: To prevent serious injury, never I
I
perform maintenance or repairs with unit running. I
Always service and repair a cool unit. Disconnect the
spark plug wire to ensure that the unit cannot start.
FREQUENCY MAINTENANCE REQUIRED REFER TO
Before starting engine Fill fuel tank with fresh fuel Page 9
Check oil Page 13
Every 10 hours Clean and re-oil air filter Page 14
First change at 10 hours Change oil Page 13
Every 25 hours thereafter Change oil Page 13
Every 25 hours Clean spark arrestor Page 17
Every 25 hours Check spark plug condition and gap Page 17
CHECKING THE OIL LEVEL TINE REMOVAL AND REPLACEMENT
All 4 tines should be replaced at the same time because they will
wear evenly through normal use. Work on one side at a time,
[_, ARNING: To prevent serious personal injury,
always wear heavy gloves when handling the
tines.
1. Put the On/Oft Stop Control in the STOP (O) position
and disconnect the spark plug wire.
NOTE: It may be necessary to lay the cultivator back in a
horizontal position on a flat level surface with the
upper handle touching the ground.
2. Remove the click pin from each end of the tine shaft. Slide
the tines off of the shaft (Fig. 14).
"A" Tine
'_1 CAUTION: To prevent extensive engine wear I
and damage to the unit, always maintain the proper
oil level in the crankcase. Never operate the unit
w th the o eve be ow the bottom of the d pst ck.
The importance of checking and maintaining the proper oil
level in the crankcase cannot be overemphasized, Check oil
before each use:
1. Stop the engine and allow oil to drain into the crankcase.
2, Place the unit on a flat, level surface to get a proper oil
level reading (Fig. 9).
3, Keep dirt, grass clippings and other debris out of the
engine. Clean the area around the oil fill plug/dipstick
before removing it.
4, Remove the oil fill plug/dipstick and wipe off oil, Reinsert it
all the way back in,
5. Remove the oil fill plug/dipstick and check the oil level. Oil
should be up to the top of the dipstick (Fig, 15).
Oil Fill Plug/Dipstick
"B" Tine
Hubs
Fig. 14
Click Pin
3, Clean and oil the shaft.
4, Slide on the new tines with the hubs facing out, The four
tines are marked with the letters "A" or "B."
5. Place one "A" tine and one "B" tine onto the shaft,
6, Secure the new tines to the shaft with click pins. It may be
necessary to wash the dirt off the tines and shaft for ease
of removal,
Full _q
Add 1.4-1.5 Oz.
(41-44 ml)
Top of Dipstick
Fig. 15
6. If the level is low, add a small amount of oil to the oil fill hole
and recheck (Fig. 16). Repeat this procedure until the oil level
reaches the top of the dipstick.
NOTE: Do not overfill the unit.
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