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Ransomes Mastiff 91 - User Manual

Ransomes Mastiff 91
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RJL 100 January 2015
GB
United
Kingdom
Safety, Operation & Maintenance Manual
Ransomes Mastiff 91 - Honda GX390 UT2 LXE4
Series: FN4 & FP4
Product code: LDEA330 & LDEA340
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.
25081G-GB (Rev.0)

Table of Contents

Other manuals for Ransomes Mastiff 91

Questions and Answers

  • A
    angelachapmanAug 18, 2025
    What to do if my Ransomes Lawn Mower engine races but moves sluggishly?
    • M
      Mr. Allen PearsonAug 18, 2025
      If your Ransomes Lawn Mower engine races but the mower moves sluggishly, it might be because the cylinder ran into an obstruction. Stop the engine and clear any debris. If there's no obstruction, the problem could be clutch slip, and you should consult your local service center.
  • B
    brownjasonAug 20, 2025
    Why is my Ransomes Lawn Mower tearing grass instead of cutting it?
    • M
      Michael AllisonAug 20, 2025
      If your Ransomes Lawn Mower tears the grass instead of cutting it evenly, adjust the cutting cylinder to the bottom blade. If the grass is still not cut cleanly, the cylinder blades may need sharpening, and you should consult your local service center.
  • T
    Troy ParkAug 22, 2025
    What to do if my Ransomes Mastiff 91 Lawn Mower removes grass entirely?
    • T
      timothy86Aug 23, 2025
      If your Ransomes Lawn Mower removes grass entirely and labors, the bottom blade may be set too low. Raise the height of the cut.
  • M
    Mrs. Denise MunozAug 26, 2025
    How to adjust Ransomes Mastiff 91 Lawn Mower for grass cuttings not entering grass box?
    • M
      Madison DouglasAug 26, 2025
      If cuttings are not entering the grass box properly on your Ransomes Lawn Mower, adjust the concave to obtain a better throw of grass cuttings.
  • M
    Mike WongAug 27, 2025
    Why does my Ransomes Lawn Mower cut grass unevenly?
    • M
      Melissa ClayAug 28, 2025
      If your Ransomes Lawn Mower cuts grass unevenly in a wavy or hummocky fashion, the alignment of the cutting cylinder has likely been upset, possibly from hitting an obstruction. Consult your local service center.
  • K
    Kevin BowersAug 30, 2025
    Why does my Ransomes Mastiff 91 Lawn Mower engine race but move sluggishly?
    • L
      Leslie BakerAug 30, 2025
      If your Ransomes Lawn Mower's engine races but the mower moves forward sluggishly, it might be because the cylinder has encountered an obstruction. Stop the engine and remove any debris. If the issue persists, further assistance may be needed.
  • W
    Whitney ZunigaSep 2, 2025
    What to do if cuttings not entering the grass box properly Ransomes Lawn Mower?
    • R
      Robin OlsonSep 2, 2025
      If the grass cuttings are not entering the grass box properly on your Ransomes Lawn Mower, adjust the concave to improve the throw of grass cuttings. See section 9.4.
  • T
    tammyfischerSep 4, 2025
    How to fix grass torn off instead of being cut evenly Ransomes Mastiff 91 Lawn Mower?
    • M
      Melvin PetersonSep 4, 2025
      If your Ransomes Lawn Mower is tearing off grass instead of cutting it evenly, adjust the cutting cylinder to the bottom blade, as described in section 9.3. If the grass is still not cut cleanly, the cylinder blades may need sharpening, and you may need further assistance.
  • B
    brian65Sep 7, 2025
    What to do if grass is removed entirely and mower labours Ransomes Lawn Mower?
    • A
      Ashley PayneSep 7, 2025
      If your Ransomes Lawn Mower is removing grass entirely and the mower labors, increase the height of the cut. See section.
  • D
    Dominic WilliamsSep 9, 2025
    What to do if the engine races but my Ransomes Mastiff 91 Lawn Mower moves slowly?
    • A
      Anna PadillaSep 9, 2025
      If your Ransomes Lawn Mower engine races but the mower moves sluggishly, first stop the engine and check for any obstructions that may be hindering the cylinder's movement. If no obstruction is found, the issue might be clutch slippage, which requires professional attention.

Summary

Introduction

Important Information

General importance and instructions for the manual.

Product Identification

Details about machine identification plates and serial numbers.

Scrap Product Disposal Guidelines

Procedures for disposing of machine parts during and after its service life.

Parts Manual Access

Information on accessing and obtaining the parts manual.

Key Numbers Recording

Recording machine and engine serial and key numbers.

Assembly Instructions

Steps and tools required for assembling the machine.

Safety

Safe Operating Practices

General and specific rules for safe mower operation.

Pre-Operation Preparation

Steps to take to prepare the mower and operator before use.

Handling and Storage Safety

Guidelines for safely handling fuel and storing the mower.

Trailer Transport Safety

Safety instructions for loading and securing the mower on a trailer.

Key Safety Warnings and Precautions

Key safety warnings, symbols, exposure limits, weather, and PPE.

Decals

Safety Decals Identification

Identification and meaning of safety decals on the machine.

Instruction Decals Identification

Identification and meaning of instruction decals on the machine.

Controls

Engine Control Levers

Throttle, choke, and fuel tap operation.

Safety and Operator Controls

OPC, stop switch, and starter switch functions.

Transmission and Clutch Controls

Forward/reverse gear and cylinder drive clutch operation.

Brake Control

How the brake operates and its use for slowing or stopping.

Operation

Daily Inspection Procedure

Daily checks to ensure the mower is safe and ready for operation.

Operator Presence System Tests

Testing and function of the safety interlock system.

General Operating Procedure

Step-by-step guide for operating the mower, including safety advice.

Initial Engine Start-up

Initial steps to prepare the engine and fluids before first use.

Engine Starting Procedures

Instructions for starting the engine using electric or recoil start.

Stopping the Machine and Engine

Procedures for safely stopping the mower and engine.

Clearing Cutting Unit Blockages

Steps to safely clear obstructions from the cutting units.

Adjustments

Cutting Height and Blade Adjustment

Adjusting cutting height, cylinder-to-blade, and concave.

Handle and Seat Adjustments

Adjusting handle and operator seat position.

Drive System Adjustments

Adjusting chain tensioners, brake, clutch, and gear selector.

Component Removal Procedures

Steps for removing cutting cylinder, bottom blade, and landroll assemblies.

Steering and Balance Adjustments

Adjusting steering cable and balance bar.

Maintenance and Lubrication

Service Schedule and Fluids

Maintenance chart, fluid types, and quantities.

Engine Lubrication and Checks

Engine oil checks, draining, filling, and general lubrication.

Machine Lubrication Points

Lubricating cutting cylinder, rolls, landroll, chains, levers, and linkages.

Gearbox and Landroll Oil Checks

Procedures for checking and topping up gearbox and landroll oil.

Cooling System and Air Cleaner Maintenance

Cleaning cooling fins, air intake, and servicing the air cleaner.

Battery and Charging Procedures

Battery maintenance, safety, and charging instructions.

Fuel System, Spark Plug, and Engine Maintenance

Cleaning fuel filter, checking spark plug, and engine maintenance reference.

Problem Solving

General Faults and Remedies

Common faults and their remedies for the mower.

Schematics

Electrical Circuit Diagram

Diagram of the mower's electrical circuit.

Electrical Circuit and Cable Colours

Detailed electrical circuit diagram and a guide to cable colours.

Torques

Torque Specifications Tables

Tables of torque specifications for various thread types.

Specifications

Engine and Machine Details

Engine specs, dimensions, weights, and general machine features.

Performance and Operational Specs

Noise, vibration, slopes, cutting unit, and performance data.

Recommended Lubricants and Accessories

Lubricant types and available accessories.

Declaration of Conformity

Manufacturer and Product Information

Details about the manufacturer, product code, and engine.

Compliance and Standards

Compliance with directives, assessed standards, and noise levels.

Notified Body and Declarer Details

Details of the notified body and the authorized declarer.

Declaration of Incorporation

Statements on partly completed machinery, accessories, and IP rights.

Harmonised and Technical Standards

Lists of harmonised and technical standards applied and referenced.

Guarantee

Product Warranty Information

Terms and conditions of the product warranty.

Service and Dealer Information

Information on obtaining service and contacting dealers.

Ransomes Mastiff 91 Specifications

General IconGeneral
BrandRansomes
ModelMastiff 91
CategoryLawn Mower
LanguageEnglish

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