To operate mower, Reverse operation system (ros) – Craftsman 917.274750 User Manual

Page 14

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• For best cutting performance, grass over

6 inches in height should be mowed

twice. Make the first cut relatively high;
the second to desired height.

TO ADJUST GAUGE WHEELS

Gauge wheels are properly adjusted
when they are slightly off the ground when
mower is at the desired cutting height in
operating position. Gauge wheels then
keep the deck in proper position to help
prevent scalping in most terrain conditions.

NOTE:

Adjust gauge wheels with tractor

on a flat level surface.

1. Adjust mower to desired cutting height

(See “TO ADJUST MOWER CUTTING
HEIGHT” in this section of manual).

2. With mower in desired height of cut

position, gauge wheels should be assem­
bled so they are slightly off the ground.
Install gauge wheel in appropriate hole

with shoulder bolt, 3/8 washer, and 3/8-

16 locknut and tighten securely.

3. Repeat for opposite side, installing

gauge wheel in same adjustment hole.

Gauge Wheel
Mounting
Bracket

3/8-16

Locknut

3/8 Washer

Gauge Wheel

%j

Shoulder
Bolt

TO OPERATE MOWER

Your tractor is equipped with an operator

presence sensing switch. Any attempt
by the operator to leave the seat with the

engine running and the attachment clutch
engaged will shut off the engine. You must

remain fully and centrally positioned in the
seat to prevent the engine from hesitating
or cutting off when operating your equip­
ment on rough, rolling terrain or hills.
1. Select desired height of cut.

2. Start mower blades by engaging at­

tachment clutch control.

TO STOP MOWER BLADES -
disengage attachment clutch control.

A

c

AUTION:

D

o

not operate the mower

without either the entire grass catcher,
on mowers so equipped, or the deflector
shield in place.

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 -

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

position 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.

ROS "ON" Position

Engine "ON" Position
(Normal Operating)

0?-82&

14

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