Section 4: Operation

3.Test Blade-Brake-Clutch Control System

The mower is equipped with a blade- brake-clutch which is designed to stop the mower blades within three (3) seconds after release of the Operator Presence Control or the Blade Drive Control. Never tamper with, or attempt to defeat the purpose of this safety device.

The control system is a mechanical device which is subject to wear. Therefore, test the operation of the blade-brake-clutch control system before each use of the mower. Refer to "Blade Brake Control Test" at the end of this Section.

4.Select Mulching or Side- Discharge Mowing

WARNING

Before installing or removing mulching cover, stop engine, wait for parts to stop moving, and disconnect spark plug wire. Remove ignition key on electric start models.

You can use the mower either as a mulching mower or as a side-discharge mower. To use the mulching feature, in- sert the mulcher cover as described below. Remove the mulcher cover to side-discharge grass clippings. The mulcher cover is designed to keep the discharge chute raised up while mowing. When the cover is removed, the dis-

A

B

Figure 4-1: Mulcher cover

3.To remove the cover, slide the cover to the right (front of mower) to disen- gage the slot (B) from the mower deck and then pry the left-side of the cover out and off.

MOVING THE MOWER WITHOUT ENGINE POWER

The mower can be manually pushed or pulled by putting the Gear Select Lever (C, Figure 4-2) in N (neutral) and pressing and holding the Operator Presence Control (A, Figure 4-2) down against the handlebar grip.

To stop the wheels at anytime, release the Operator Presence Control.

STARTING AND STOPPING

THE ENGINE

DANGER

Do not operate the engine in an enclosed area. Engine exhaust contains carbon monoxide, a deadly gas that is odorless, colorless and tasteless. Always run engine outdoors and make sure there is adequate ventilation.

To Start the Engine

1.Move mower to a level area.

2.Release all controls on mower to pre- vent wheels or mower blades from rotat- ing when engine starts.

3.Move Engine Throttle Control (E, Figure 4-2) fully upward to choke setting to start a cold engine or to fast (rabbit) setting to start a warm engine.

WARNING

To avoid injury:

• Keep hands and feet clear of mower blades or other rotating parts.

Look behind you to be sure there are no obstacles before pulling recoil starter rope.

charge chute will lower itself for side- discharge mowing.

To install or remove mulcher cover:

1.Stop the engine and wait for all parts to stop moving. Disconnect the spark plug wire from the spark plug. Remove the ignition key on electric start models.

2.To install the cover, insert the right- side tab of the cover into the front sup- port bracket (A, Figure 4-1). Insert the cover into the discharge opening, mak- ing sure that the slot (B) in the left side of the cover is completely engaged in the rear edge of the deck opening.

C – Gear Select Lever

E – Engine Throttle

 

F – Ignition/Starter

Control

A – Operator

 

B – Blade Drive

Presence Control

Control

 

D – Wheel Drive Control

Figure 4-2: Mower Controls

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Troy-Bilt F753B Operation, Moving the Mower Without Engine Power, Starting and Stopping Engine, To Start the Engine