Troy-Bilt 77T Manuel D’Utilisation

NOTE: Depending on 
the engine model found 
on your tractor, it may 
be necessary to remove 
the tractor’s side panel 
in order to replace the 
oil filter (if so equipped).

Refer to the Engine Operator/Owner’s Manual for 
engine maintenance instructions.
Check 

engine oil level before each use as instructed in 

the Engine Operator/Owner’s Manual packed with your 
unit. 

Changing Engine Oil
NOTE: Depending on the engine model found on your 
tractor, it may be necessary to remove the tractor’s side 
panel in order to replace the oil filter (if so equipped).
For draining oil from the engine’s crankcase of select 
model tractors, a plastic oil drain sleeve is packed with this 
Operator’s Manual. To drain the oil, proceed as follows:
1.  Unscrew the oil fill cap and remove the dipstick from 

the oil fill tube.

2.  Snap the small end of oil drain sleeve onto the oil 

sump. See Figure 14.

3.  Remove drain plug and drain oil into a suitable 

container with a capacity of no less than 64 oz.

4.  Service the oil filter (if so equipped) as instructed 

in the separate Engine Operator/Owner’s Manual 
packed with your unit.

Perform the above steps in the opposite order after oil 
has finished draining. 
5.  Refill the engine with new motor oil as instructed in 

the Engine Operator/Owner’s Manual packed with 
your unit.

IMPORTANT: Refer to the Engine Operator/Owner’s 
Manual packed with your unit for information regarding the 
quantity and proper weight of motor oil.
Air Cleaner
Service the pre-cleaner, if so equipped, and cartridge/air 
cleaner element as instructed in the Engine Operator/
Owner’s Manual packed with your unit.
Spark Plug
The spark plug should be cleaned and the gap reset once 
a season. Spark plug replacement is recommended at 
the start of each mowing season. Refer to the Engine 
Operator/Owner’s Manual for correct plug type and gap 
specifications.

Engine
Lubricate the engine with motor oil as instructed in the 
Engine Owner’s Manual packed with your unit.
Pivot Points & Linkage
Lubricate all the pivot points on the drive system, parking 
brake and lift linkage at least once a season with light oil.
Rear Wheels
The rear wheels should be removed from the axles once 
a season. Lubricate the axles and the rims well with an 
all-purpose grease before re-installing them.
Front Axles
The front wheels should be removed from the axles once 
a season. Lubricate the axles and the rims well with an 
all-purpose grease before re-installing them.

Any fuel or oil spilled on the machine should be wiped 
off promptly. Do NOT allow debris to accumulate around 
the cooling fins of the engine or on any other part of the 
machine.
IMPORTANT: The use of a pressure washer to clean your 
tractor is NOT recommended. It may cause damage to 
electrical components, spindles, pulleys, bearings or the 
engine.