To Replace Mower Drive Belt

Loosen jam nut A first

NOTE: Each full turn of the adjustment nut will change mower height about 1/8".

•Recheck measurements, adjust if nec- essary until front tip of blade is 1/8" to 1/2" lower than the rear tip.

•Hold adjustment nut in position with wrench and tighten jam nut securely . against adjustment nut.

C-.

MOWER DRIVE BELT REMOVAL

1.Park tractor on a level surface. Engage parking brake. .

2.lower attachment lift lever to its lowest position.

3.Disengage belt tension rod (K) from 1\lock bracket (l).

a CAUTION: Belt tension rod is spring loaded. Have a firm grip on rod and re-

lease slowly.

4.Remove screws (P) fromRH and L.H. mandrel covers and remove covers

(0).

5.Remove any dirt or grass clippings which may have accumulated around mandrels and entire upper deck sur- face.

6.Remove belt from electric clutch pulley (M), both mandrel pulleys (R) and all idler pulleys (S).

MOWER DRIVE BELT INSTALLATION

1.Install belt around both mandrel pul-

leys (R) and around idler pulleys (S) as shown.

2.Install belt onto electric clutch pulley

(M).

IMPORTANT: Check belt for proper rout- ing in all mower pulley grooves.

3. Reassemble R.H. and L.H. mandrel covers (0). Securely tighten all screws.

4. Engage belt tension rod (K) on locking bracket (l).

A CAUTION: Belt tension rod is spring loaded. Have a tight grip on rod and en- gage slowly.

5.Raise attachment lift lever to highest position.

TO ADJUST ATTACHMENT CLUTCH

The electric clutch should provide years 'of service. The clutch has a built-in brake

that stops the pulley within 5 seconds. Eventually, the internal brake will wear which may cause the mower blades to not engage, or, to not stop as required.

Adjustments should be made by a Sears or other qualified service center.

1.Make sure attachment clutch and igni- tion switches are in "OFF" position.

2.Adjust the three nylon locknuts until space between clutch plate and rotor

measures .012" at all three slot loca- tions cut in the side of brake plate.

NOTE: After installing a new electric clutch, run tractor at full throttle and engage and disengage electric clutch 10 cycles to wear in clutch plate.

Rotor

TO REPLACE MOTION DRIVE BELT

Park the tractor on level surface. Engage parking brake. For ease of service there is a belt installation guide decal on bottom of left footrest.

BELT REMOVAl-

1. Remove mower (See "TO REMOVE MOWER" in this section of manual).

NOTE: Observe entire motion drive belt and position of all belt guides and keepers.

2.Disconnect clutch wire harness (A).

3.Remove anti-rotation link (B) on right side of tractor.

4.Remove belt from stationary idler (C) and clutching idler (D).

5.Remove belt from centerspan idler (E).

6.Pull belt slack toward rear of tractor. Carefully remove belt upwards from transmission input pulley and over cooling fan blades (F).

7.Remove belt downward from engine pulley and around electric clutch (G).

8.Slide belt toward rear of tractor; off the steering plate (H)' and remove from

"tractor.

BELT INSTALLATION -

1.Install new belt from tractor rear to front, over the steering plate (H) and

above clutch brake pedal shaft (J).

2.' Pull belt toward front of tractor and roll

belt around electric clutch and onto engine pulley (G).

3.Pull belt toward rear of tractor. Care- fully work belt down around transmis- sion cooling fan and onto the input pulley (F). Be sure belt is inside the belt keeper.

4.Install belt on centerspan idler (E).

5.Install belt through stationary idler (C) and clutching idler (D).

6.Reinstall anti-rotation link (B) on right side of tractor. Tighten securely.

7.Reconnect clutch hamess (A).

8.Make sure belt is in all pulley grooves and inside all belt guides and keepers.

9.Install mower (See "TO INSTAll MOWER" in this section of manual).

917.28746 specifications

The Craftsman 917.28746 is a well-regarded lawn tractor known for its reliability and performance, making it a preferred choice for homeowners looking to maintain their yards efficiently. One of the standout features of this model is its 18.5 horsepower engine, which is designed to provide ample power for a variety of mowing tasks. The engine is paired with a smooth hydrostatic transmission that allows for seamless speed adjustments and maneuverability, ensuring that users can navigate through different terrain with ease.

This lawn tractor sports a 42-inch cutting deck, ideal for medium to large-sized lawns. The deck is designed to offer a clean and even cut, featuring twin blades that enhance the quality of the mowing experience. Users have the option to adjust the cutting height, giving them control over how short or long they want their grass to be. This versatility in cutting heights accommodates different grass types and seasonal variations.

Ergonomics play a crucial role in the design of the Craftsman 917.28746. The tractor comes with an adjustable seat that provides comfort during extended mowing sessions, allowing users to fine-tune their riding position. Additionally, the placement of the steering wheel and controls is intuitive, making it easier for operators to engage and disengage functions such as the cutting deck and cruise control without unnecessary effort.

One of the notable technologies incorporated in the Craftsman 917.28746 is its Mulching Capability. This feature allows grass clippings to be finely chopped and redistributed back onto the lawn, fostering a natural fertilization process. Those looking for a clean-cut finish can easily switch to side discharge or bagging options based on their lawn care needs.

Furthermore, the robust construction of the Craftsman 917.28746 ensures longevity and durability. The steel frame and heavy-duty components are capable of withstanding regular use, making it a worthy long-term investment for lawn care. With a blend of power, comfort, and advanced features, the Craftsman 917.28746 stands out as an excellent tool for homeowners committed to maintaining beautiful landscapes with minimal effort. It delivers a user-friendly experience while addressing the diverse demands of lawn maintenance.