Gravely Promaster 250Z User Manual

Purpose and scope of the service manual for Promaster 260Z and 250Z.

Information required when ordering parts or making service inquiries.

Importance of warranty registration card for activating warranty.

Risks and warranty voidance associated with using non-Gravely parts.

Gravely reserves the right to change products without notice.

Types of communications from Ariens Technical Service to dealers.

Importance of proper preparation for efficient service repairs.

Explanation of safety symbols used in manuals and on decals.

Meaning of DANGER, WARNING, and CAUTION signal words.

General reference information for proper operation and maintenance.

Importance of safe working practices and applicable rules/laws.

Requirement for operator training for new users.

General safety rules for work area and unit operation.

Key operational instructions for safe use, including emergency stops and backing up.

Precautions for operating on slopes and ensuring child safety.

Personal protective equipment, handling hot parts, and general maintenance safety.

Safety precautions for unit storage and transportation.

Guidelines for safe handling and charging of batteries.

Using only designed attachments and accessories safely.

Identification and description of the unit's controls and features.

Steps to place the 260Z model into its service position.

Steps to place the 250Z model into its service position.

Procedure for moving the unit when the engine is not running.

Guidelines for cleaning and storing the unit.

Safety precautions and steps for filling the fuel tank.

Daily checks and tightening of fasteners.

Lubrication points, type of grease, and intervals.

Daily engine checks and reference to engine manual.

Procedures for replacing mower belts and hydro pump belts.

Checking tire pressure before use.

Replacing and sharpening mower blades.

Procedure to adjust steering control levers to neutral.

Steps to align steering control levers when in neutral.

How to adjust the parking brake mechanism.

Adjustments for unit tracking issues, including tire pressure and limiter bolts.

Procedures for leveling the mower deck side-to-side and front-to-rear.

Chart for diagnosing engine problems with causes and corrective actions.

Steps for removing the engine from the mower.

Steps for installing a new engine onto the mower.

Information about the electric clutch and its replacement.

Daily procedure for checking hydraulic fluid level.

Steps for changing hydraulic fluid and replacing the filter.

Procedure for testing hydraulic drive system flow rate.

Detailed steps for replacing the hydraulic pump.

Procedure for replacing the hydraulic wheel motor.

Test for diagnosing hydraulic lift system issues.

Steps for replacing the hydraulic lift valve.

Schematic illustrating the hydraulic system components and flow.

Procedures for removing and installing mower spindles.

Information on maintenance-free anti-scalp rollers.

Description of the front suspension system and its components.

Detailed procedure for replacing a caster wheel.

Description of specialized tools required for electrical repair.

Explanation of electrical measurements and multimeter usage.

Information on battery inspection, charging, and maintenance.

How to check specific gravity and battery state of charge.

Testing procedures for normally open and normally closed switches.

Explanation and testing of solenoids and relays.

Role of fuses in electrical circuits and replacement guidelines.

Explanation of diodes and rectifiers and their testing.

Wiring diagrams for specific models.