January 1, 2015

How to remove the mower deck on a zero-turn riding mower

By Lyle Weischwill
How to remove the mower deck on a zero-turn riding mower

This step-by-step repair guide explains how to remove and reinstall the mower deck on a zero-turn riding mower. Sometimes you need to remove the mower deck to clean or inspect it.

This basic procedure works for common Craftsman, Husqvarna, Troybilt, MTD, Cub Cadet and Toro zero-turn riding mowers.

See all our riding mower repair guides for more DIY repair help and step-by-step instructions.

Quick links
Tools required
Socket wrench set
Work gloves
Repair difficulty
Time required
30 minutes or less
Repair difficulty
Time required
30 minutes or less
Removing a mower deck from a zero-turn riding mower

This video explains how to remove the deck from a zero-turn riding lawn mower.

Instructions

  1. 01.

    Disconnect the spark plugs

    Disconnect the spark plug wires.

    Disconnect the spark plugs.

    Disconnect the spark plugs.

  2. 02.

    Release the blade belt

    Lower the mower deck to the lowest cutting position.

    Remove the left pulley cover from the mower deck.

    Push the blade belt idler pulley inward and roll the blade belt off the left blade pulley.

    Reach under the rear of the mower frame and remove the blade belt from the electric clutch.

    Lower the mower deck.

    Lower the mower deck.

    Remove the pulley cover.

    Remove the pulley cover.

    Roll the blade belt off of the pulley.

    Roll the blade belt off of the pulley.

    Release the blade belt from the electric clutch.

    Release the blade belt from the electric clutch.

  3. 03.

    Remove the mower deck

    Disconnect the mower deck mounting pins and release the hanging brackets from the mower deck.

    Push the mower deck slightly forward and release it from the front bracket.

    Pull the mower deck out from under the mower frame.

    Remove the deck mounting pin.

    Remove the deck mounting pin.

    Remove the washer.

    Remove the washer.

    Release the hanging bracket from the mower deck.

    Release the hanging bracket from the mower deck.

    Release the front bracket.

    Release the front bracket.

    Pull the mower deck out.

    Pull the mower deck out.

  4. 04.

    Reinstall the mower deck

    Push the mower deck under the mower frame.

    Reinstall the mower deck on the front bracket.

    Reinstall the mower deck hanging brackets and secure them with the mounting pins.

    Push the mower deck in.

    Push the mower deck in.

    Reconnect the front bracket.

    Reconnect the front bracket.

    Reinstall the deck hanging brackets.

    Reinstall the deck hanging brackets.

  5. 05.

    Reattach the blade belt

    Reinstall the blade drive belt onto the electric clutch.

    Push the blade belt idler pulley inward and roll the blade belt back onto the left blade pulley.

    Reinstall the pulley cover.

    Tip: Make sure that the blade belt is routed correctly when reinstalling the mower deck.
    Reinstall the belt on the electric clutch.

    Reinstall the belt on the electric clutch.

    Roll the belt on the pulley.

    Roll the belt on the pulley.

    Reinstall the pulley cover.

    Reinstall the pulley cover.

  6. 06.

    Reconnect spark plugs

    Reconnect the spark plug wires to the spark plugs.

    Reconnect the spark plugs.

    Reconnect the spark plugs.

Warning: Undertaking repairs to appliances can be hazardous. Use the proper tools and safety equipment noted in the guide and follow all instructions. Do not proceed until you are confident that you understand all of the steps and are capable of completing the repair. Some repairs should only be performed by a qualified technician.

Symptoms common to all riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clogged carburetor
Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components
Main causes: shift lever needs adjustment, neutral control needs adjustment
Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, broken fuel line
Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim
Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, dirty carburetor
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tune up
Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged mandrel pulleys
Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a tune up

Repair guides common to all riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

How to replace the air filter on a riding lawn mower

Get your mower running smoothly again by replacing the air filter—it's a quick job you can do yourself, following these steps.

Repair difficulty
Time required
 15 minutes or less
How to replace the starter motor on a riding lawn mower

If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replace it.

Repair difficulty
Time required
 30 minutes or less
January 1, 2015
By Lyle Weischwill
How to replace a riding lawn mower blade

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.

Repair difficulty
Time required
 30 minutes or less

Articles and videos common to all riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

May 1, 2017

Riding lawn mower engine spins but won't start video

By Sears PartsDirect staff

Troubleshoot fuel, spark and compression issues.

May 1, 2017

How to repair a riding lawn mower tire video

By Sears PartsDirect staff

Learn when you can use sealant to fix a flat tire.

June 1, 2016

How to mow a lawn for healthier grass

By Erin Hynes

How often and tall you mow your lawn has a big impact on its health. Check out these 3 rules.