Troy-Bilt N779-Pony, Operator'S Manual

19

SECTION 7:  MAINTAINING YOUR LAWN TRACTOR

WARNING: 

Before performing any

maintenance or repairs, disengage PTO,
move shift lever into neutral position, set
parking brake, stop engine and remove key to
prevent unintended starting.

Engine 

Refer to the 

Briggs & Stratton

 Operator/Owner 

Manual   for engine maintenance instructions.

Check 

engine oil level

 before each use as instructed in 

the 

Briggs & Stratton

Operator/Owner Manual packed 

with your unit. 

Follow the instructions carefully.

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).

Changing Engine Oil 

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:

•

Unscrew the oil fill cap and remove the dipstick 
from the oil fill tube.

•

Snap the small end of oil drain sleeve onto the oil 
sump. See Figure 13.

Figure 13

•

Remove drain plug and drain oil into a suitable 
container with a capacity of no less than 64 oz.

•

Service the 

oil filter

 (if so equipped)

as instructed 

in the separate 

Briggs & Stratton

 Operator/Owner 

Manual packed with your unit.

Perform the above steps in the opposite order after oil 
has finished draining. 

•

Refill the engine with new motor oil.

IMPORTANT:

 Refer to the 

Briggs & Stratton

 Operator/

Owner 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 

Briggs & 

Stratton

 Operator/Owner Manual packed with your unit.

Spark Plug(s)

The spark plug(s) 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 

Briggs & Stratton

 Operator/Owner Manual 

for correct plug type and gap specifications.

Lubrication

WARNING: 

Before lubricating, repairing, or

inspecting, always disengage PTO, move
shift lever into neutral position, set parking
brake, stop engine and remove key to prevent
unintended starting.

Engine

Lubricate the engine with motor oil as instructed in the 

Briggs & Stratton

 Owner 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

Each end of the tractor’s front pivot bar may be 
equipped with a grease fitting. Lubricate with a grease 
gun after every 25 hours of tractor operation.

Oil Drain Sleeve