Reverse operation system (ros), Add gasoline – Craftsman 917.28921 User Manual

Page 13

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• Raise attachment lift lever to its highest.
• When pushing or towing your tractor, be

sure gearshift lever is in neutral position.

• Do not push or tow tractor at more than

five (5) MPH.

NOTE:

To protect hood from damage when

transporting

yourtractoronatruckoratrailer,

be sure hood is closed and secured to tractor.
Use an appropriate means of tying hood to

tractor (rope, cord, etc.).

REVERSE OPERATION SYSTEM (ROS)

Your tractor is equipped with a Reverse

Operation System (ROS). Any attempt by

the operator to travel in the reverse direc­
tion with the attachment clutch engaged
will shut off the engine unless ignition key

is placed in the ROS "ON" position.

A

w

ARNING:

Backing up with the at­

tachment clutch engaged while mowing

is strongly discouraged. Turning the ROS
"ON", to allow reverse operation with the
attachment clutch engaged, should only
be done when the operator decides it is
necessary to reposition the machine with

the attachment engaged.

Do not mow in

reverse

unless absolutely necessary.

USING THE REVERSE OPERATION
SYSTEM -

Only use if you are certain no children or
other bystanders will enter the mowing
area.

1. Depress clutch/brake pedal all the way

down and hold.

2. With engine running, turn ignition key

counterclockwise to ROS "ON" posi­

tion.

3. Look down and behind before and

while backing.

4. Move gear shift lever to reverse (R) po­

sition and slowly release clutch/brake
pedal to start movement.

5. When use of the ROS is no longer

needed, turn the ignition key clockwise

to engine "ON" position.

TO TRANSPORT

ROS "ON" Position

Engine "ON" Position
(Normal Operating)

BEFORE STARTING THE ENGINE

CHECK ENGINE OIL LEVEL

The engine in your tractor has been

shipped, from the factory, already filled
with summer weight oil.

1. Check engine oil with tractor on level

ground.

2. Remove oil fill cap/dipstick and wipe

clean, reinsert the dipstick and screw
cap tight, wait for a few seconds, re­
move and read oil level. If necessary,
add oil until “FULL mark on dipstick is
reached. Do not overfill.

• For cold weather operation you should

change oil for easier starting (See the
oil viscosity chart in the Maintenance
section of this manual).

• To change engine oil, see the Mainte­

nance section in this manual.

ADD GASOLINE

• Fill fuel tank to bottom of filler neck. Do

not overfill. Use fresh, clean, regular
unleaded gasoline with a minimum of
87 octane. (Use of leaded gasoline will
increase carbon and lead oxide deposits
and reduce valve life). Do not mix oil

with gasoline. Purchase fuel in quanti­
ties that can be used within 30 days to
assure fuel freshness.

ACAUTION:

Wipe off any spilled oil or

fuel. Do not store, spill or use gasoline

near an open flame.

IMPORTANT:

When operating in temper­

atures below

32°F(0°C),

use fresh, clean

winter grade gasoline to help ensure good
cold weather starting.

CAUTION:

Alcohol blended fuels (called

gasohol or using ethanol or methanol) can
attract moisture which leads to separation
and formation of acids during storage.

Acidic gas can damage the fuel system

of an engine while in storage. To avoid
engine problems, the fuel system should
be emptied before storage of 30 days
or longer. Drain the gas tank, start the
engine and let it run until the fuel lines
and carburetor are empty. Use fresh fuel
next season. See Storage Instructions for
additional information. Never use engine
or carburetor cleaner products in the fuel

tank or permanent damage may occur.

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