Troy-bilt 753B User Manual download pdf (Page 17)

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Section 4: Operation

BLADE BRAKE CONTROL TEST

When the Operator Presence Control

is released during operation of the

mower, the engine does not stop, but

the blades should stop within three (3)

seconds. The following test provides a

visual test of whether the Blade Brake

Control System is functioning. Perform

this test before each use of the mower.

1. Park mower on a portion of lawn

which has not been recently mowed.

2. Set the cutting height so the mower

cuts 1/3 of the grass height.

3. Start the engine.

4. Press the Operator Presence Control

down against the handlebar grip and

push the Blade Drive Control fully for-

ward until it stays in the engaged posi-

tion.

5. Put the Gear Select Lever in the No. 1

setting.

6. Engage the wheels with the Wheel

Drive Control and drive the mower for

several feet. Then release the Operator

Presence Control.

A. Look at the lawn just mowed. The

lawn should be cut up to the point

where the Operator Presence Control

was released.

B. Press the Operator Presence Control

against the handlebar grip but DO

NOT re-engage the Blade Drive

Control. Drive the mower forward

for several more feet. Release the

Operator Presence Control and look

at the lawn. The grass should NOT

have been cut. This indicates that

the Operator Presence Control has

disengaged the blade drive and

stopped the blades.

7. If the mower cuts the grass in Step

6-B, the Operator Presence Control is

NOT disengaging the blade drive.

Immediately stop the engine, discon-

nect the spark plug wire, and move the

wire away from the spark plug.

8. Do not use the mower until the Blade

Brake Control System has been in-

spected, adjusted or repaired by an au-

thorized dealer.

To avoid personal injury or property

damage, make sure that the mower is

on grass, and that the test area is clear

of foreign objects and bystanders be-

fore you begin the Blade Brake Control

Test.

If the Operator Presence Control or the

Blade Drive Control are not adjusted

correctly, the blades may continue to

rotate after release of the Operator

Presence Control. If the blades do not

stop within three (3) seconds of release

of the Operator Presence Control, move

the Engine Throttle Control to the STOP

position, disconnect the spark plug

wire, and move the wire away from the

spark plug. Do not operate the mower

until the Blade Brake Control System

has been repaired.

Failure to do this could result in per-

sonal injury or property damage.

WARNING

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