Ryobi 197788 User Manual

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IMPORTANT:  DO NOT OIL OR GREASE THE PIVOT POINTS WHICH 
HAVE SPECIAL NYLON BEARINGS.  VISCOUS LU BRI CANTS WILL 
ATTRACT DUST AND DIRT THAT WILL SHORT 

EN THE LIFE OF 

THE SELF-LU 

BRI CAT ING BEARINGS.  IF YOU FEEL THEY MUST 

BE LU BRI CAT ED, USE ONLY A DRY, POW DERED GRAPHITE TYPE 
LU BRI CANT SPARINGLY.

BEFORE

EACH

USE

Inspect Muffler/Spark Arrester

Lubrication Chart

Check Brake Operation

Clean Air Filter

Change Engine Oil (with oil filter)

Replace Air Filter Paper Cartridge

Replace Spark Plug

Check Battery Level

Check Tire Pressure

Clean Battery and Terminals

FILL IN DATES
AS YOU COMPLETE
REGULAR SERVICE

EVERY

8 HOURS

EVERY

25

HOURS

EVERY

50

HOURS

EVERY

100

HOURS

EVERY

SEASON

SERVICE DATES

Check for Loose Fasteners

BEFORE

STORAGE

Check Engine Oil Level

Clean Engine Cooling Fins

Sharpen/Replace Mower Blades

Check Operator Presence and
ROS Systems

Clean Air Screen

1 - Change more often when operating under a heavy load or

in high ambient temperatures.

2 - Service more often when operating in dirty or dusty conditions.

Replace Oil Filter (If equipped)

Check Transaxle Cooling

Check V-Belts

Replace Fuel Filter

3

2

2

2

2

3 - Replace blades more often when mowing in sandy soil.
4 - Not required if equipped with maintenance-free battery.
5 - Tighten front axle pivot bolt to 35 ft.-lbs. maximum.

Do not overtighten.

1

,

1,2

2

4

5

Change Engine Oil (without oil filter)

1,2

maint_sch-tr

actore

.R
OS

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The warranty on this tractor does not cover items that 
have been subjected to operator abuse or negligence.  To 
receive full value from the warranty, operator must main tain 
tractor as instructed in this manual.

Some adjustments will need to be made periodically to 
properly maintain your tractor.
At least once a season, check to see if you should 
make any of the adjustments described in the Service 
and Adjustments section of this manual.
•  At least once a year you should replace the spark 

plug, clean or replace air fi lter, and check blades and 
belts for wear.  A new spark plug and clean air fi lter 
assure proper air-fuel mixture and help your engine 
run better and last longer.

•      Check engine oil level.
•      Check brake operation.
•      Check tire pressure.
•      Check operator presence and 
       ROS systems for proper operation.
•      Check for loose fasteners.