Seco Group AJ 102 User Manual

MACHINE MAINTENANCE ENGLISH
7.10.1 SHARPENING OF KNIVES
a) The knife may be sharpened with a file or a grinder. Do not carry out the sharpening directly on the mowing mechanism. Pay great attention to the
a
lignment and balancing of knives. The vibrations generated by the unaligned and unbalanced knives can cause a serious damage to the engine or mowing
mechanism. When balancing, insert a screwdriver into the centring hole and set the knife into the horizontal position (see the figure 7.10). If the knife
remains in this position, it is balanced. If one of the knife ends is overbalancing, carry out the grinding of this side until the knife is balanced.
The allowable
static unbalance may maximally be 2g.
b) TRIPLEX knives
Dismantle the individual blades from the holder and sharpen them separately. Particular care should be taken at reassembly in order not to confuse
individual blades.
The difference in weight of individual blades can maximally be 2g.
7.11 STEERING UNIT MAINTENANCE
Check regularly if there is not an unallowable
clearance between the gear segment of steering
and pinion of steering wheel shaft. If the bigger
clearance is ascertained, eliminate it. Negligence
of this maintenance may result in a damage to
the parts of steering unit. At elimination of the
clearance, first, loosen the two M12 nuts
1 on
the screw of eccentric. Put on a suitable spanner
onto the eccentric hexagonal head
2 and turn it
until the clearance is eliminated to the minimum.
Then, retighten both M12 nuts
1.
7.12 CHECK AND ADJUSTMENT OF TRAVEL DRIVE BELT
The belt is tensioned correctly if it sags approx. by 1.5 cm when the force
of 4 kg is applied in the middle distance between pulleys 1 and 2.
Designation of parts in the figure:
1. engine pulley
2. guiding pulley
3. tension pulley
4. gearbox pulley
The adjusting of the belt tension is carried out by
the tightening of the nut on the screw tensioning the
t
ension spring, and then by readjusting the screw
3
(fig. 7.11) so that the spring will be tensioned to the
length of 50
w1 mm.
7.13 CHECK AND ADJUSTMENT OF MOWING
MECHANISM SETTING-UP
The correct setting-up of the mowing mechanism is important
f
or ensuring the q
ualit
y mo
wing.
At the checking and adjusting proceed, as follows:
• Place the machine on an even surface and check the pressure in tyres.
• Set the mowing mechanism height setting-up lever
6.1.17 to the position "2".
• Check the height of the mowing mechanism front edge above the ground
which mus
t be the same on bo
th sides, 1
7 - 1
9 mm.
• Adjust the difference by turning the nut
1 after loosening the locking nut 2.
The nuts are accessible after removing the accumulator box
(at machines of the SJ2..., SJ3..., SJ4..., SJ5... t
ype), or the t
ool box
(at machines of the SJ8..., SG8...).
• After adjustment retighten the nut
2.
7.14 CHECK AND ADJUSTMENT OF MOWING
MECHANISM DRIVE V-BELT
The V
-belt of the mo
wing mechanism is t
ensioned by means of a pulley with
a spring. If the tension releases due to the working stress of the belt, increase
it b
y dis
placing the sus
pension e
y
e of the s
pring
1 int
o the second hole
in the lever
2 of the tension pulley.
23
50w1 mm

Seco Group AJ 102 Specifications

General

Brand	Seco Group
Model	AJ 102
Category	Lawn Mower
Language	English

Summary

Preface

Protection and Safety

Safety Instructions

Follow safety instructions meticulously for safe operation and to maintain warranty.

Graphical Warnings and Advices

Visual symbols and their corresponding safety meanings for machine operation.

Use and Technical Description

Machine Use

Guidelines for the intended use of the self-propelled mowing machine in various environments.

Technical Description

Overview of the machine's main components and their functions.

Machine Equipment

List of key equipment and components integrated into the mowing machine.

Machine Marking

Details of the identification plate and the information it contains.

Technical Parameters

Unpacking

Check After Unpacking

Procedure for inspecting the machine and its components after removing packaging.

Preparation for Operation: Initial Assembly

Steps for assembling steering wheel, seat, and connecting the accumulator.

Preparation for Operation: Bin Assembly

Steps for assembling suspension and attaching the grass collecting bin.

Putting Into Operation

Check Engine Oil Level

Procedure for verifying the engine oil level as per maintenance guidelines.

Filling the Fuel Tank

Safe procedures for refuelling the machine with petrol, including precautions.

Machine Control

Description and Function of Controls

Detailed explanation of each control element and its operation on the machine.

Ignition, Engine Speed, and Mowing Mechanism Controls

Operation of ignition, gas control lever, mowing mechanism switch, and choke.

Travel, Braking, and Steering Controls

Operation of travel pedal, parking brake, by-pass lever, differential lock, and steering.

Height Adjustment and Special Function Controls

Adjusting cutting height, operating mulching flap, and fuel shut-off.

Operation and Attendance Procedures

Key procedures for operating the machine, including starting, stopping, and mowing.

Starting, Stopping, and Basic Operation

Procedures for starting, stopping the engine, and engaging/disengaging the mowing mechanism.

Mowing and Travel Operations

Guidelines for adjusting mowing height, travel, speed, slopes, and discharging grass.

Machine Maintenance

Summary of Checks and Maintenance

Overview of maintenance tasks and their recommended intervals (hours, monthly, seasonal).

Tyre Pressure Check

Maintaining correct tyre pressure for optimal performance and safety.

Maintenance After Work

Post-operation tasks to keep the machine clean and in good condition.

Cleaning Procedure

Detailed steps for cleaning the machine after use, including safety warnings.

Washing the Machine

Instructions for washing the machine, avoiding electrical components, and flushing the mowing mechanism.

Accumulator Maintenance

Guidance on maintaining the accumulator according to its operating instructions.

Engine Maintenance

Procedures for maintaining the engine, including oil, filters, and spark plugs.

Engine Oil Check and Change

Procedures for checking and changing the engine oil.

Fuel Filter and Air Filter Maintenance

Steps for maintaining fuel and air filters for optimal engine performance.

Sparking Plug Maintenance

Procedure for checking and maintaining the sparking plug.

Lubrication Points

Information on lubrication points and intervals for machine longevity.

Bulb Replacement

Instructions for replacing burnt-out bulbs on the machine.

Fuse Replacement

Procedure for replacing blown fuses to restore electrical functionality.

Machine Jacking Up

Safe procedure for lifting the machine using a jack and supports for maintenance.

Knife Replacement and Sharpening

How to replace and sharpen mowing mechanism knives for optimal cutting performance.

Steering Unit Maintenance

Checking and adjusting the steering unit for proper operation and to eliminate play.

Travel Drive Belt Adjustment

Procedure for checking and adjusting the tension of the travel drive belt.

Mowing Mechanism Setting-Up

Ensuring correct mowing mechanism alignment and height for quality cutting.

Mowing Mechanism Drive Belt Adjustment

Adjusting the tension of the mowing mechanism drive V-belt.

Mowing Mechanism Removal

Step-by-step guide for safely removing the mowing mechanism from the machine.

Knives Drive Belt Adjustment

Adjusting the tension of the belt driving the mowing mechanism knives.

Replacement of Belts

Instructions or recommendation for replacing worn or damaged belts.

Wheel Changing

Procedure for safely changing the machine's wheels.

Hydrostatic Gearbox Maintenance

Essential maintenance for the hydrostatic gearbox, including oil level checks.

Brake Adjustment

Procedure for adjusting the brakes if their efficiency decreases.

Tightening Torque Overview

Reference table for tightening torques of various screw connections on the machine.

Troubleshooting and Defect Removal

Troubleshooting Guide

Common failures and defects with instructions for their diagnosis and removal.

Spare Parts Ordering

After-Season Maintenance and Storage

Machine Disposal