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Textron JACOBSEN GP400 - User Manual

Textron JACOBSEN GP400
108 pages
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GB
United
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When Performance Matters.
Safety, Operation and Maintenance Manual
Jacobsen GP400™ Ride on Greens Mower
Engine Range - Kubota D722-E3B D722-E4B
Briggs and Stratton Vanguard 350447
GP400 Gasoline / Series: GZ / Product code:USAG004
GP400 Gasoline (USA only) / Product code:62706
GP400 Diesel (Kubota E3B) / Series: GY / Product code:USAD004
GP400 Diesel (Kubota E4B) / Series: GY4 / Product code:USAD004
GP400 Diesel (Kubota E4B) / Series: GY5 / Product code:USAD004
WARNING
WARNING: If incorrectly used this machine can cause severe
injury. Those who use and maintain this machine must be
trained in its proper use, warned of its dangers and must read
the entire manual before attempting to set up, operate, adjust
or service the machine.
25000G-GB (rev.6)
RJL 100 July 2018

Table of Contents

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Textron JACOBSEN GP400 Specifications

General IconGeneral
BrandTextron
ModelJACOBSEN GP400
CategoryLawn Mower
LanguageEnglish

Summary

Safety

Product Identification

Details on identifying machine components like serial number plates and engine.

Guidelines for Disposal of Scrap Products

Procedures for environmentally sound disposal of machine parts and fluids.

Parts Manual

Information on how to access spare parts lists and drawings for the mower.

Key Numbers

Section for recording important machine and engine identification numbers.

How to Operate Safely

Comprehensive safety instructions for operation, preparation, and specific components.

Important Safety Notes

Key safety reminders, including interlock system operation and general precautions.

Specifications

Engine Specification

Detailed specifications for Kubota and Briggs & Stratton engines used in the mower.

Dimensions & Weights

Physical measurements and weight details of the mower with and without options.

Machine Specification

Technical details on the mower's frame, transmission, steering, and brakes.

Slopes

Operating limits and safety advice for using the mower on slopes.

Cutting Unit Specification

Technical details for different cutting unit configurations and their components.

Recommended Lubricants

Guidance on appropriate oils, greases, and fluids for the mower's systems.

Controls

Operator Workstation

Overview of the operator's position and main control areas.

Instrument Panel

Identification and function of gauges, indicators, and switches on the control panel.

Starter Key Switch

Explanation of the ignition switch positions and starting procedure.

Throttle Control Lever

How to adjust engine speed using the throttle lever.

Cutting Unit Switch (PTO)

Procedure for engaging and disengaging the cutting units.

Traction Pedal

Controls for mower speed and direction of travel.

Steering Wheel

Information on adjusting the steering wheel height.

Lift & Lower Rate & Synchronisation Control

Adjusting the speed and sequence of cutting unit lift/lower operations.

Operation

Daily Inspection

Essential checks to perform before operating the mower each day.

Operator Presence and Safety Interlock System

Explanation and testing of safety interlocks for preventing unintended operation.

Operating Procedure

General steps and precautions for operating the mower safely and effectively.

Setting Up The Machine

Procedures for preparing the mower for initial use, including hydraulic system checks.

Mounting The Cutting Heads

Instructions for attaching and securing the cutting units to the mower frame.

Starting The Engine

Step-by-step guide for starting the engine, including cold start procedures.

Mowing Procedure

Detailed steps for performing mowing operations on greens.

How to Remove a Blockage from Cutting Units

Safe procedures for clearing grass or debris blockages from the cutting units.

Mowing on Slopes

Guidelines and warnings for operating the mower safely on inclined surfaces.

Maintenance & Lubrication

Maintenance and Lubrication Chart (Gasoline)

Schedule of maintenance tasks and lubrication points for gasoline models.

Maintenance and Lubrication Chart (Diesel)

Schedule of maintenance tasks and lubrication points for diesel models.

Engine Access

Procedures for tilting the seat and tanks for improved engine access.

Engine Oil Level - Gasoline

How to check the engine oil level on gasoline models.

Engine Oil Change- Gasoline

Step-by-step guide for changing the engine oil and filter on gasoline models.

Hydraulic System - Gas & Diesel

Procedures for checking and changing hydraulic oil and filters.

Lubrication of Cutting Unit

Lubrication points and procedures for the cutting unit rollers and bearings.

Adjustments

Traction Control Pedal

Adjusting the mower's mow and transport speed stops.

Adjusting Speed Control Switch

Setting the speed control sensor for correct operation.

Steering Arm Adjustment

Adjusting the height of the steering wheel and control arm.

Levelling Linkage for the Front Cutting Heads

Procedure for ensuring the front cutting heads are level with each other.

Seat Adjustment

Instructions for adjusting the driver's seat for comfort and safety.

Bedknife-to-Reel Trueset Reel

Pre-adjustment checks and critical gap settings for Trueset™ reels.

Cutting Height Trueset Reel

Procedure for setting the desired cutting height for Trueset™ reels.

Problem Solving

Problem Solving General

Troubleshooting guide for common issues like engine not starting or poor running.

Quality of Cut

Quality of Cut Troubleshooting

Guide to diagnosing and correcting issues affecting the quality of grass cut.

Washboarding

Identifying and resolving the washboarding effect in the cut appearance.

Marcelling

Understanding and correcting the marcelling pattern in cut grass.

Step Cutting

Diagnosing and fixing uneven cutting caused by differences in reel height.

Scalping

Addressing areas of grass cut too short due to low height-of-cut settings.

Stragglers

Methods to eliminate scattered blades of uncut or poorly cut grass.

Streaks

Solutions for identifying and removing lines of uncut grass.

Fuses and Relays

Fuse and Relay Identification

Table identifying the location, color, amperage, and function of fuses and relays.

Guarantee

Warranty

General terms and conditions applicable to the mower's warranty coverage.

Service

Information on authorized service dealers and procedures for obtaining service.

Evaporative Emission Control Warranty Statement

Details on the warranty specific to the evaporative emission control system.

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