Procedure for drive belt replacement - Husqvarna Zero Turn Mower RZ4619

Crankshaft Position Sensor Replacement

Remove the engine front cover . Refer to Timing Belt Cover Replacement in Engine Mechanical - 3.5L.

Remove the timing belt guide (703).
Remove the crank sensor and harness.


Timing Belt Cover Replacement
Removal Procedure
Remove the engine drive belt. Refer to Drive Belt Replacement .
Remove the right splash shield. Refer to Engine Splash Shield Replacement in Body Front End.
Remove the engine balancer using the EN 46337 .

Remove the timing belt cover bolts (8).
Remove the timing belt cover (7).

Replacing Drive Belt

How to Change an Automotive Belt

Changing Car Serpentine Belt Family Handyman

Videos and text instructions.

Hello carpsupr,

Removal Procedure
1. Rotate the drive belt tensioner counterclockwise to release the spring tension. See picture below.
2. Remove the drive belt.

Installation Procedure
1. Install the drive belt to all of the pulleys except the generator pulley. See picture below.
2. Rotate the drive belt tensioner counterclockwise to release the spring tension. See picture below.
3. Install the drive belt over the generator pulley.

Ensure that the drive belt is properly routed.




Regards,
netvan

It takes near to 1.5 hours to replace the water pump on Pontiac Aztec. The procedure to replace the water pump is as follows:--- Water Pump Replacement ---------
Removal Procedure :

1. Drain the cooling system until the coolant is below the level of the water pump.
2. Remove the drive belt guard.
3. Loosen the water pump pulley bolts.
4. Remove the drive belt.

1. Remove the water pump pulley bolts.
2. Remove the water pump pulley.

1. Remove the water pump bolts.
2. Remove the water pump.
3. Remove the water pump gasket.
4. Clean the water pump mating surfaces

Installation Procedure

1. Install the water pump gasket.
2. Install the water pump. Notice: Refer to Fastener Notice in Service Precautions.
3. Install the water pump bolts.

• Tighten the bolts to 10 Nm (89 inch lbs.) .

1. Install the water pump pulley. Loosely install the mounting bolts.
2. Install the drive belt.
3. Install the water pump pulley bolts.

• Tighten the bolts to 25 Nm (18 inch lbs.) .

1. Install the drive belt guard.
2. Fill the cooling system.
3. Inspect the cooling system for leaks.
4. That's it.

Hi. Here's the procedure on how to replace the belt. Sad to say i dont have a diagram for that. Please see below instructions.

The mower should be drained of gas and drain the motor oil before starting procedure.
Disconnect spark plug wire from spark plug.
.
Motor side of the belt:
.
Remove two bolts under the lawn mower body which holds the top cover over the drive belt.
Remove the belt guard that is around the pulley on the crank shaft.
Then work the belt around the blade and off the the drive pulley.
.
While blade is removed, sharpen or replace as necessary.
.
Transmission side of the belt:

.
Remove the "S" clip on handle for speed / traction cable
Remove the plastic "Rear Baffle" two screws on each side on frame in front of rear wheels one screw in the rear

.
With the baffle removed, rotate the drive shaft and transmission to gain access
to the pulley drive belt guard, it is held in place with three screws.
.
Once belt guard is removed, you can easily remove the drive belt

.
Reverse procedure to replace the belt.
.
Lubricate drive Axel bearings, wheel bearings, control cables, as necessary.
Replace all fluids as necessary.

The following link explains step-by-step how to replace the drive belt on a Whirlpool Duet washer:

http://www.fixya.com/support/r3059652-drive_belt_installation_whirlpool_duet

This is a very simple procedure, but if you experience any difficulties, please post back and let me know. I hope this helps you.

Removal Procedure

1. Remove the drive belt.
   
2. Remove the drive belt tensioner bolt.
3. Remove the drive belt tensioner.

Installation Procedure

1. Install the drive belt tensioner.
Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

2. Install the drive belt tensioner bolt.
Tighten
Tighten the drive belt tensioner bolt to 50 N·m (37 lb ft).

3. Install the drive belt

Notes Water Pump Replacement

Removal Procedure

1. Drain the cooling system until the coolant is below the level of the water pump.
2. Remove the drive belt guard.
3. Loosen the water pump pulley bolts.
4. Remove the drive belt.

1. Remove the water pump pulley bolts.
2. Remove the water pump pulley.

1. Remove the water pump bolts.
2. Remove the water pump.
3. Remove the water pump gasket.
4. Clean the water pump mating surfaces

Installation Procedure

1. Install the water pump gasket.
2. Install the water pump. Notice: Refer to Fastener Notice in Service Precautions.
3. Install the water pump bolts.

• Tighten the bolts to 10 Nm (89 inch lbs.) .

1. Install the water pump pulley. Loosely install the mounting bolts.
2. Install the drive belt.
3. Install the water pump pulley bolts.

• Tighten the bolts to 25 Nm (18 inch lbs.) .
• 

1. Install the drive belt guard.
2. Fill the cooling system.
3. Inspect the cooling system for leaks

First you have to remove the deck,then you may have to remove belt guards to install new one,then reinstall the deck

FOR COMPLETE Diagram Of this Procedure and Belt Routing Email Me@[email protected] and I will Send DETAILED PICTURE and Instructions


NOTE:

• Minor cracks in the V-grooved portion of the serpentine drive belt are considered normal and acceptable. If the drive belt has chunks missing from the ribs, the drive belt should be replaced.
• When installing drive belts on pulley, make sure that all V-grooves make proper contact with accessory pulleys.

Conditions requiring drive belt replacement are excessive wear, rib chunkout, severe glazing, frayed cords, etc. Replace any drive belt that exhibits any of these conditions.

REMOVAL

1. Using a 15 mm socket or wrench attached on drive belt tensioner pulley bolt. Rotate drive belt tensioner clockwise to remove drive belt from pulleys. WARNING: USE CAUTION WHEN REMOVING OR INSTALLING DRIVE BELT TO MAKE SURE THAT TOOL DOES NOT SLIP.

INSTALLATION

1. Install drive belt over all accessory pulleys (except drive belt tensioner).Rotate drive belt tensioner as described under Removal to install drive belt over drive belt tensioner pulley. Make sure that all V-grooves make proper contact with pulleys