Briggs & Stratton Simplicity Axion CZT2142 User Manual

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OPERATOR’S

MANUAL

18.5, 21, 26HP Zero-Turn Riders

Mfg. No. Description

7800611 Simplicity Axion Model ZT18533, 18.5HP w/ 33” Mower

7800616 Simplicity Axion Model CZT18533, 18.5HP w/ 33” Mower (California Model)

7800620 Snapper 150Z Model SC18533, 18.5HP w/ 33” Mower

7800625 Snapper 150Z Model CSC18533, 18.5HP w/ 33” Mower (California Model)

7800612 Simplicity Axion Model ZT2142, 21HP w/ 42” Mower

7800617 Simplicity Axion Model CZT2142, 21HP w/ 42” Mower (California Model)

7800615 Simplicity Axion Model ZT2142, 21HP w/ 42” Mower (Australia Model)

7800621 Snapper 150Z Model SC2142, 21HP w/ 42” Mower

7800626 Snapper 150Z Model CSC2142, 21HP w/ 42” Mower (California Model)

7800624 Snapper 150Z Model SC2142, 21HP w/ 42” Mower (Australia Model)

7800630 Snapper 150Z Model SC26520, 26HP w/ 52” Mower

Axion / 150Z Series

Manual No. 7103857

Revision ‘-’, 10/27/2009

Not for

Reproduction

Table of Contents

Questions and Answers:

R
Randy RushAug 15, 2025
Why Briggs & Stratton Simplicity Axion CZT2142 engine will turnover but will not start?
- J
  Joe SweeneyAug 16, 2025
  If the engine of your Briggs & Stratton Lawn Mower turns over but doesn't start, make sure the choke is in the CLOSED position if the engine is cold, or OPEN if it's warm. If the engine is flooded, set the choke to the OPEN position when cranking. Also, check if you are out of fuel and refill the tank after the engine cools. Old or stale fuel should be drained and replaced with fresh fuel. Lastly, inspect the spark plug(s) for any faults, fouling, or incorrect gapping; clean, gap, or replace them as needed.
W
Wanda SimpsonAug 18, 2025
How to fix Briggs & Stratton Simplicity Axion CZT2142 when engine will not turnover?
- T
  Teresa GarciaAug 18, 2025
  If your Briggs & Stratton Lawn Mower engine won't turn over, ensure the ignition switch is fully turned to the START position and the ground speed levers are set to START/PARK. Also, check that the mower blade switch is in the OFF position and the parking brake lever is in the ENGAGE position. Clean the battery terminals if they're dirty, and recharge or replace the battery if it's discharged or dead. Visually inspect the wiring for any loose or broken connections, and tighten or replace as necessary.
D
Dorothy AllenAug 21, 2025
What to do if Briggs & Stratton Simplicity Axion CZT2142 engine stalls easily with mower engaged?
- M
  Mr. Jordan HurstAug 21, 2025
  If your Briggs & Stratton Lawn Mower engine stalls easily when the mower is engaged, ensure the engine speed is set to FAST. Reduce the ground speed and raise the cutting height, especially when cutting tall grass for the first pass. Clean the underside of the mower deck and cut grass with the discharge pointing toward the previously cut area.

Briggs & Stratton Simplicity Axion CZT2142 Specifications

General

Engine Manufacturer	Briggs & Stratton
Engine Cylinders	2
Fuel Type	Gasoline
Number of Blades	2
Transmission Type	Hydrostatic
Horsepower	21 HP
Cutting Width	42 in. (106.7 cm)
Seat Type	High Back
Tires Rear	20 x 10.00-8
Deck Material	Steel
Warranty	3 years

Summary

Safety Rules

General Operation

Important operating guidelines and precautions for using the rider.

Transporting and Storage

Safe procedures for moving and storing the unit to prevent damage.

Slope Operation

Guidelines for safe operation on slopes to prevent tip-over accidents.

Children Safety

Warnings and precautions regarding children near the operating equipment.

Slope Sighting Guide

Visual guide for assessing slopes for safe operation.

Service and Maintenance

Safe Handling of Gasoline

Procedures for safely handling gasoline and fuel to prevent hazards.

General Maintenance Procedures

General guidelines for maintaining the equipment's condition.

Safety Decals Overview

Identification and explanation of safety labels on the unit.

Identification Numbers

Operation

Control Functions

Explanation of the purpose and function of various controls.

Starting, Stopping, and Emergency Procedures

Correct sequence for starting, stopping, and emergency shutdown.

Driving Practice and Techniques

Fundamental techniques for operating the rider, including turns.

Mower Deck Removal and Installation

Steps for removing and installing mower decks for different sizes.

Maintenance Schedule

Component Maintenance

Rider Components Maintenance

Maintaining rider parts like engine compartment, tires, and lubrication.

Deck and Blade Maintenance

Cleaning the deck and servicing mower blades.

Battery, Safety System, and Clutch Maintenance

Servicing battery, safety systems, and PTO clutch.

Engine Maintenance

Engine Oil Procedures

Checking, changing engine oil, and replacing the oil filter.

Air Filter and Spark Plug Service

Servicing air filters, pre-cleaners, and replacing spark plugs.

Service and Adjustments

Control Lever and Speed Adjustments

How to adjust control levers and balance speeds.

Cutting Height and Brake Adjustments

Adjusting mower deck height and parking brake.

Mower Deck Leveling

Side-to-Side Leveling

How to level the mower deck side-to-side.

Front-to-Back Leveling

How to adjust the mower deck level from front to back.

Drive Belt and Washout Port Service

Mower Belt Replacement

Steps for replacing mower drive belts on various deck sizes.

Deck Washout Port Usage

How to use the washout port for cleaning the mower deck.

Storage Procedures

Preparing for Storage

Steps to prepare the unit for off-season storage.

Post-Storage Startup

Steps to take before starting the unit after storage.

Troubleshooting

Rider Issues

Common problems, causes, and remedies for the rider.

Mower Issues

Common problems, causes, and remedies for the mower deck.

Specifications

Service Items and Manuals

Parts and Maintenance Supplies

Information on obtaining replacement parts and maintenance supplies.

Technical Manuals

How to obtain additional service and parts manuals.

Lawn Care and Mowing Information

Lawn Care Practices

Guidance on watering, fertilizing, and aerating the lawn.

Mowing Guidelines

Advice on mowing frequency, timing, speed, and grass cutting.

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