NOTE: Slowly rotate the pulley counterclockwise to roll the belt off of it.

•Remove the upper drive belt by pulling it up through the battery tray opening.

•Reroute the new upper drive belt as shown in Figure 22.

Lower Drive Belt

IMPORTANT: Proper removal of the lower drive belt requires the removal of several tractor components. Read through the following procedure prior to attempting it to determine if you feel you could successfully complete it. If you don’t, see an authorized service dealer to have the belt changed.

IMPORTANT: Note the routing of the lower drive belt around both the pulleys and the belt keepers BEFORE performing the following steps.

•Locate the variable-speed pulley through the battery tray opening. See Figure 22.

•Remove the variable-speed pulley by loosening the hex bolt that secures it to the transmission. Use a second wrench to hold the hex nut on the bottom side of the pulley.

•Slide the belt off the variable-speed pulley as you lift the pulley up and out through the battery tray opening.

•Remove rear idler pulley from the double- idler bracket while loosening the belt from around both the rear and the front idler pulleys. See Figure 22.

•Remove the hex bolt from the center of the engine pulley or the electric PTO clutch and gently lower it off the engine crankshaft. Be careful not to lose any washers or which may be found on top of the PTO clutch.

IMPORTANT: When remounting the PTO clutch, torque the center hex bolt to between 38 foot-pounds and 50 foot-pounds.

•Remove the drive belt by feeding it from both ends toward the front idler pulley on the double-idler bracket. See Figure 24.

•Reassemble by following the above steps in reverse order.

•Reroute the new belt around the pulleys, belt

keepers and keeper pins exactly as the old one was routed. Refer to Figure 22.

The drive pedal is properly adjusted when the hole found

in the double-idler bracket has approximately

1-3/8" of travel with ten pounds of pressure applied to the drive pedal. See Figure 23.

Double-idler Bracket

Hole

Idler

Adjuster Rod

Front of Tractor

NOTE: View shown from above tractor.

Figure 23

Adjust the drive pedal after replacing the drive belts on your tractor, if necessary, as follows:

•Locate the speed control assembly on the underside of the steering support bracket. See Figure 24.

•Remove both hairpin clips from the pin which is fastened to the speed control assembly (be careful not to lose the small flat washers found on the pin). See Figure 24.

•Remove the drive pedal return spring.

•Using two 9/16" wrenches, remove the pin from the speed control assembly. See Figure 24.

•Thread the idler adjustment rod inward or outward to lengthen or shorten the travel of the double-idler bracket until proper adjustment is achieved.

•Reassemble by following the above steps in reverse

order.

Idler Adj. Rod

Place wrenches here

Neutral

Return

Bracket

Pin

Hairpin

Clips

Drive Pedal

Speed Control

Return Spring

Assembly

 

Figure 24

SECTION 11: OFF-SEASON STORAGE

WARNING: Never store the machine or fuel container indoors where there is an open flame, spark or pilot light such as on water heater, furnace, clothes dryer or other gas appliance.

WARNING: Use a fuel stabilizer additive or drain the fuel into an approved container outdoors, away from an open flame. Allow engine to cool. Extinguish cigarettes, cigars, pipes and other sources of ignition prior to draining fuel.

26

Page 25 Page 27
Page 26
Image 26
Troy-Bilt 772C0748 manual OFF-SEASON Storage, Lower Drive Belt
Page 25 Page 27

772C0748 specifications

The Troy-Bilt 772C0748 is a powerful and versatile rotary lawn mower designed for maintaining a pristine lawn with ease. Known for its durability and efficiency, this model is tailored for homeowners who seek a reliable solution for their mowing needs.

One of the standout features of the Troy-Bilt 772C0748 is its strong engine. Equipped with a robust 159cc engine, this mower delivers impressive cutting performance and allows for efficient operation over a variety of terrains. The engine is designed for easy starting, minimizing the hassle often associated with lawn maintenance.

The mower boasts a 21-inch cutting deck, which offers a balance between maneuverability and cutting width. This size is ideal for residential lawns, allowing users to navigate through narrow paths and tight corners with ease. The cutting deck is made from durable materials, ensuring longevity and resilience against the rigors of outdoor use.

Another notable characteristic of the Troy-Bilt 772C0748 is its adjustable cutting height feature. With six different height settings, users can achieve their desired lawn length with precision. This flexibility is essential for accommodating different grass types and seasonal growth patterns, ensuring a well-maintained lawn throughout the year.

The mower’s design also prioritizes user comfort. It features an ergonomic handle that reduces strain during operation, allowing for longer mowing sessions without discomfort. The handle is also foldable, which not only saves storage space but also enhances portability.

In terms of technology, the Troy-Bilt 772C0748 incorporates a reliable grass collection system. The rear bagging capabilities allow for efficient collection of clippings, which can be easily emptied, promoting a cleaner mowing experience. The mower also has side discharge capabilities, providing options for lawn maintenance according to user preferences.

Overall, the Troy-Bilt 772C0748 combines power, efficiency, and user-friendly features, making it an excellent choice for homeowners looking to maintain their lawns effortlessly. Its durable construction, innovative technology, and thoughtful design characteristics position it as a standout option in the competitive lawn mower market. Whether tackling small patches or larger areas, the Troy-Bilt 772C0748 promises to deliver consistent performance and a beautiful, well-groomed lawn.
Top Page Image Contents