Husqvarna 325 L XT-Series Instruction manual

Workshop manual
325L
English
1023 - 001 - 24.04.2019

Contents
1 Introduction
1.1 Document description............................................ 3
1.2 Target group...........................................................3
1.3 Revisions................................................................3
1.4 Safety..................................................................... 3
1.5 Servicing tools........................................................3
2 Safety
2.1 Safety definitions....................................................4
2.2 General safety instructions.....................................4
2.3 Symbols on the product......................................... 4
3 Prepare and do servicing on the product
3.1 Maintenance schedule........................................... 5
4 Servicing data
4.1 Servicing data ....................................................... 6
5 Servicing tools
5.1 Servicing tools........................................................9
6 Repair instructions
6.1 Product overview for repair instructions............... 11
6.2 To clean and examine the product parts..............11
6.3 To install the loop handle..................................... 11
6.4 To install the cutting attachment guard................ 12
6.5 To attach and remove the trimmer head.............. 12
6.6 Trimmer line replacement.................................... 13
6.7 Starter.................................................................. 14
6.8 Muffler.................................................................. 16
6.9 Air filter................................................................. 16
6.10 Flywheel............................................................. 17
6.11 Ignition system................................................... 18
6.12 Carburetor.......................................................... 22
6.13 Handle and throttle trigger..................................24
6.14 Centrifugal clutch............................................... 25
6.15 Cylinder and piston............................................ 26
6.16 Crankshaft and crankcase................................. 29
6.17 Fuel tank............................................................ 32
7 Troubleshooting
7.1 Troubleshooting................................................... 33
8 Technical data
8.1 Technical data......................................................36
21023 - 001 - 24.04.2019

1 Introduction
1.1 Document description
This manual gives a full description of how to do
maintenance and repair on the product. It also gives
safety instructions that the personnel must obey.
1.2 Target group
This manual is for personnel with a general knowledge
of how to do repair and do servicing. All personnel that
do repair or do servicing on the product must read and
understand the manual.
1.3 Revisions
Changes to the product can cause changes to the
maintenance work and spare parts. Separate
information is sent out for each change.
Read the manual together with all received information
about changes to maintenance and spare parts for the
product.
1.4 Safety
WARNING: All personnel that repair or do
servicing on the product must read and
understand the safety instructions in this
workshop manual.
1.5 Servicing tools
The manual gives information about necessary servicing
tools. Always use original tools from Husqvarna.
1023 - 001 - 24.04.2019 Introduction - 3

2 Safety
2.1 Safety definitions
Warnings, cautions and notes are used to point out
specially important parts of the manual.
WARNING: Used if there is a risk of injury or
death for the operator or bystanders if the
instructions in the manual are not obeyed.
CAUTION: Used if there is a risk of damage to
the product, other materials or the adjacent area
if the instructions in the manual are not obeyed.
Note: Used to give more information that is necessary in
a given situation.
2.2 General safety instructions
WARNING: Read the warning instructions that
follow before you use the product.
The service center that repairs the product must have
safety devices that obey local regulations. Warnings and
cautions are used to point out specially important parts
of the workshop manual.
2.3 Symbols on the product
WARNING! This product is dangerous.
Injury or death can occur to the operator
or bystanders if the product is not used
carefully and correctly. To prevent injury
to the operator or bystanders, read and
obey all safety instructions in the
operator's manual.
Please read the operator's manual
carefully and make sure that you
understand the instructions before use.
Use approved hearing protection. Use
approved eye protection.
Make sure that long hair is put up above
your shoulders.
the product can cause objects to eject,
which can cause injury.
Maximum speed of the output shaft.
50FT
15 m
50FT
15 m
Keep a minimum of 15 m / 50 ft distance
to persons and animals during operation
of the product.
Use only flexible trimmer line.
Do not use metal cutting elements.
The arrows show the limits for the position
of the handle.
Choke.
Refuelling.
Start/Stop switch.
Primer bulb.
The rating plate shows the
serial number. yyyy is the
production year, ww is the
production week and xxxxx
is the serial number.
yyyywwxxxxx
4 - Safety 1023 - 001 - 24.04.2019

3 Prepare and do servicing on the product
3.1 Maintenance schedule
Maintenance Before
operation After 40 h After 100 h
Clean the external surface. After each operation.
Clean the muffler, exhaust pipe and engine from leaves, dirt and unwanted lubri-
cant. After each operation.
Make sure that the cutting attachment does not move at idle speed. X
Do a check of the stop switch. X
Examine the cutting attachment and the cutting attachment guard for damages
and cracks. Replace if it is damaged. X
Examine the hand guard for damages and cracks. Replace if it is damaged. X
Do a check of the throttle trigger lockout and the throttle trigger. X
Examine the engine, the fuel tank and the fuel lines for leaks. X
Tighten nuts and screws. X
Examine the fuel filter for contamination and the fuel hose for cracks and other
defects. Replace if necessary. X
Examine the starter and the starter rope for damages. X
Clean the air filter. Replace if it is necessary. X
Examine the vibration damping units for damages and cracks. X
Examine the spark plug, refer to To examine the spark plug on page 18 . X
Clean the cooling system. X
Clean the external surface of the carburetor and the area around it. X
Clean or replace the spark arrester mesh. X
Clean the inner surface of the fuel tank. X
Examine the spark plug. X
Make sure that the gear housing is filled with grease. X
1023 - 001 - 24.04.2019 Prepare and do servicing on the
product - 5

4 Servicing data
4.1 Servicing data
8 - 10 Nm
6 - 8 Nm
4 - 5 Nm
4 - 6 Nm
10 - 12 Nm
7 - 9 Nm
6 - 8 Nm
3 - 4 Nm
3.5 - 4.5 Nm
6 - 8 Nm
10 - 12 Nm 2.5 - 3.38 Nm
6 - Servicing data 1023 - 001 - 24.04.2019

3.38 - 4.5 Nm
2-3 Nm
4 - 6 Nm
4 - 6 Nm
1.5 - 2.5 Nm
3.5 - 4.5 Nm
1023 - 001 - 24.04.2019 Servicing data - 7

1 - 2 Nm
2 - 3 Nm
2 - 3 Nm
2 - 3 Nm
6 - 8 Nm
6 - 8 Nm
2 - 3 Nm
8 - Servicing data 1023 - 001 - 24.04.2019

5 Servicing tools
5.1 Servicing tools
11 129
43
8
1 2
7
10
5 6
13 14
0.3
0.5 mm
1716
15
1023 - 001 - 24.04.2019 Servicing tools - 9

Item Description Use for Article number
1 Air gap tool To measure the distance
between the flywheel and
the ignition module.
502 51 34-02
2 Piston assembly kit To assemble the piston. 521 54 83-01
3 Electrode gap tool To adjust the electrode gap. 502 51 91-01
4 Flywheel removal tool To remove the flywheel. 502 51 49-02
5 Rod assembly To remove/install piston pin. 521 53 35-01
6 Assembly pliers To repair the ignition cable. 502 50 06-01
7 Tachometer To measure engine speed. 502 71 14-01
8 T-handle Torx For Torx screws. 502 71 27-02
9 Test spark plug To do a check of the igni-
tion module.
502 71 13-01
10 Pressure gauge Pressure test. 531 03 06-23
11 Piston assembly kit To assemble the piston. 502 50 70-01
12 Carburetor tool To adjust the carburetor
settings.
585 07 17-01
13 Assembly fixture To hold the product in the
correct position.
502 51 03-01
14 Adjustment screwdriver To adjust the carburetor. 530 03 55-60
15 Detergent To clean the air filter. 583 87 69-01
16 Air filter oil To lubricate the air filter. 531 00 92-48
17 Gear housing grease To lubricate the bevel gear. 503 97 64-01
10 - Servicing tools 1023 - 001 - 24.04.2019