Husqvarna LT 5005 Instruction manual

Workshop manual
LT 5005, LT 6005, LT 6005 H, LT
8005 English
1726 - 001 -

Contents
1 Introduction
1.1 California Proposition 65........................................ 3
1.2 Document description............................................ 3
1.3 Target group...........................................................3
1.4 Revisions................................................................3
1.5 Safety..................................................................... 3
1.6 Servicing tools........................................................3
2 Safety
2.1 Safety definitions....................................................4
2.2 General safety instructions.....................................4
2.3 Special safety instructions......................................4
2.4 Symbols on the product LT 5005, LT 6005, LT
6005 H..........................................................................4
2.5 Symbols on the product LT 8005........................... 5
3 Prepare and do servicing on the product
3.1 Maintenance schedule LT 5005, LT 6005, LT
6005 H..........................................................................6
3.2 Maintenance schedule LT 8005............................. 6
4 Servicing data
4.1 Servicing data - handle and covers LT 5005,
LT 6005, LT 6005 H..................................................... 8
4.2 Servicing data - fuel tank LT 5005, LT 6005,
LT 6005 H.................................................................... 9
4.3 Servicing data - engine LT 5005, LT 6005, LT
6005 H........................................................................10
4.4 Servicing data - spring unit LT 5005, LT 6005,
LT 6005 H.................................................................. 11
4.5 Servicing data - handle and fuel tank LT 8005.....12
4.6 Servicing data - engine LT 8005.......................... 13
4.7 Servicing data - spring unit LT 8005.................... 14
5 Servicing tools
5.1 Servicing tools overview.......................................15
6 Product overview for repair and servicing
6.1 Product overview LT 5005, LT 6005, LT 6005
H.................................................................................17
6.2 Product overview LT 8005................................... 18
7 Repair and servicing
7.1 To clean and examine the product parts..............19
7.2 Air filter................................................................. 19
7.3 Carburetor............................................................ 21
7.4 Engine.................................................................. 23
7.5 Handle..................................................................30
7.6 Centrifugal clutch................................................. 35
7.7 Crankcase............................................................ 35
7.8 Rammer leg and rammer shoe............................ 41
8 Technical data
8.1 Technical data LT 5005, LT 6005, LT 6005 H......49
8.2 Technical data LT 8005........................................50
21726 - 001 -

1 Introduction
1.1 California Proposition 65
WARNING!
The engine exhaust from this
product contains chemicals known
to the State of California to cause
cancer, birth defects or other
reproductive harm.
1.2 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.
1.3 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.
1.4 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.
1.5 Safety
WARNING: All personnel that repair or do
servicing on the product must read and
understand the safety instructions in this
workshop manual.
1.6 Servicing tools
The manual gives information about necessary servicing
tools. Always use original tools from Husqvarna.
1726 - 001 - 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
• Read and obey this workshop manual.
• Obey the local safety regulations when you repair or
do servicing of the product.
• The safety equipment you use must obey local
regulations.
• Use only the equipment that the manufacturer
recommends.
• Use personal protective equipment.
• Use protective gloves and safety glasses. The safety
glasses must obey the ANSI Z87.1 for US or EN166
for EU countries.
• Use earmuffs when the product is in operation.
• Always stop the product before you repair or do
servicing of the product.
• Remove flammable materials from the work area.
The product can cause sparks.
• Do not use the product if the power cord or cables
are damaged.
• Disconnect the product from the mains socket.
• If possible, keep the power cord disconnected when
you repair or do servicing of the product.
• Use cables adapted to outdoor operation.
• Do not touch the wires when the product is on. An
electrical shock can cause injury.
• Do not point compressed air to your body.
Compressed air can go into the blood stream.
• Always tighten the nuts and the bolts on the product
correctly.
• Do not use the power cord to lift the product. Do not
pull the power cord to disconnect the product.
• Do checks of the product for warning labels that are
damaged. Replace the warning labels that are
damaged.
• Always read the warning labels of product supplies.
• Obey the local waste regulations.
2.3 Special safety instructions
• When you use compressed air, do not point the
airflow in the direction of your body. Air can go into
the blood circulation and kill you.
• Use eye protection when you do work on springs
that have tension.
• Do not use accessories that are not approved by the
manufacturer. Do not do changes that are not
approved by the manufacturer. This can cause injury
or death to the operator or other persons.
• Always use original spare parts and accessories.
• Use approved hearing protection. Noise from the
product can result in permanent hearing loss.
2.4 Symbols on the product LT 5005, LT 6005,
LT 6005 H
Be careful and use the product correctly.
This product can cause serious injury or
death to the operator or others.
Read the manual carefully and make sure
that you understand the instructions
before you use the product.
Air filter indicator.
Use hearing protection.
Use protective boots.
The spring can eject and cause injury.
Hot surface.
Lift the product at this position on the
safety frame.
Operation position.
Start position / idle speed position.
4 - Safety 1726 - 001 -

Engine stop position.
Fuel: Unleaded gasoline with a maximum
of 10% ethanol.
Engine oil level.
Primer bulb.
Set throttle control in start position.
Choke closed.
Choke open.
Push the primer bulb 5 times.
Pull the starter rope handle.
Let the engine operate at idle speed.
Noise emission to the environment as
referred to in the EC directive. The
emission of the product is specified in
Technical data LT 5005, LT 6005, LT
6005 H on page 49 and on the label.
This product is in compliance with
applicable EC directives.
Note: Other symbols/decals on the product refer to
special certification requirements for some markets.
2.5 Symbols on the product LT 8005
WARNING: This product can be
dangerous and cause serious injury or
death to the operator or others. Be careful
and use the product correctly.
Read the manual carefully and make sure
that you understand the instructions
before you use the product.
Use hearing protection.
Use boots with steel toe-cap and non-slip
sole.
Hot surface.
The spring can eject and cause injury.
Ultra-low-sulfur diesel fuel only.
Lift the product at this part of the safety
frame.
Noise emission to the environment as
referred to in the EC directive. The
emission of the product is specified in
Technical data LT 8005 on page 50 and
on the label.
This product is in compliance with
applicable EC directives.
Note: Other symbols/decals on the product refer to
special certification requirements for some markets.
1726 - 001 - Safety - 5

3 Prepare and do servicing on the product
3.1 Maintenance schedule LT 5005, LT 6005,
LT 6005 H
O = Refer to the engine manual for instructions.
General product maintenance Before use,
each 10 h
After the first
20 h
Weekly,
each 100 h
Yearly, each
500 h
Make sure that there are no fuel or oil leaks. X
Clean the product. X
Make sure that nuts and screws are tightened. X
Examine the throttle control and choke control for dam-
age. X
Make sure that the throttle control and the choke control
can move smoothly. X
Do a check of the oil level in the rammer leg. X
Replace the oil in the rammer leg. X X
Tighten the bolts on the rammer shoe. X
Examine the vibration damping units for damage. X X
Examine the rubber latch on the air filter cover for wear
and damage. X
Engine maintenance Before use,
each 10 h
After the first
20 h
Weekly,
each 100 h
Yearly, each
300 h
Do a check of the fuel level and the engine oil level. X
Do a check of the air filter indicator. Clean or replace the
air filter if it is necessary. X X
Clean the cooling fins of the engine. O
Replace the engine oil. X X X
Replace the air filter. X X X
Do a check of the engine speed. O O O
Examine and clean the spark plug. Replace the spark
plug if it is necessary. O O
Clean the spark arrester screen on the muffler. O O
Adjust the valve head clearance for the air intake and the
exhaust valves. O
Drain the fuel and clean the fuel tank and the fuel filter. O
Drain water from the fuel system. O
Replace the fuel filter. O
3.2 Maintenance schedule LT 8005
O = Refer to the engine manual for instructions.
6 - Prepare and do servicing on the product 1726 - 001 -

General product maintenance Before use,
each 10 h
After the first
20 h
Weekly,
each 100 h
Yearly, each
500 h
Make sure that there are no fuel or oil leaks. X
Clean the product. X
Make sure that nuts and screws are tightened. X
Examine the throttle control for damage. X
Make sure that the throttle control can move smoothly. X
Lubricate the throttle control and the engine throttle wire. X
Do a check of the oil level in the rammer leg. X X X
Replace the oil in the rammer leg. X X
Tighten the bolts on the rammer shoe. X
Engine maintenance Before use,
each 10 h
After the first
20 h
Weekly,
each 100 h
Yearly, each
500 h
Do a check of the fuel level and the engine oil level. X
Clean or replace the air filter. X
Clean and examine the cooling fins of the engine. O O
Replace the engine oil. X X
Replace the air filter. X X X
Adjust the engine valve clearance. O
Adjust the valve head clearance for the air intake and the
exhaust valves. O
Drain and clean the fuel tank. O
Drain water from the fuel system. O
Replace the fuel filter. O
Clean the oil filter. O O
Do a check of the fuel injection pump. O
Do a check of the fuel injection nozzle. O
Replace the piston rings. O
1726 - 001 - Prepare and do servicing on the product - 7

4 Servicing data
4.1 Servicing data - handle and covers LT 5005, LT 6005, LT 6005 H
8 Nm
8 Nm
8 Nm
8 Nm
8 Nm
8 Nm
23 Nm
23 Nm
23 Nm
8 - Servicing data 1726 - 001 -

4.2 Servicing data - fuel tank LT 5005, LT 6005, LT 6005 H
8 Nm
8 Nm
8 Nm
1726 - 001 - Servicing data - 9

4.3 Servicing data - engine LT 5005, LT 6005, LT 6005 H
45 Nm
26 Nm
24 Nm
23 Nm
23 Nm
8 Nm
45 Nm
45 Nm
10 - Servicing data 1726 - 001 -

4.4 Servicing data - spring unit LT 5005, LT 6005, LT 6005 H
26 Nm
117 Nm (LT 5005)
154 Nm (LT 6005, LT 6005 H)
8.4 Nm
8.4 Nm
100 Nm
26 Nm
40 Nm
1726 - 001 - Servicing data - 11

4.5 Servicing data - handle and fuel tank LT 8005
8 Nm
23 Nm
23 Nm
23 Nm
23 Nm
12 - Servicing data 1726 - 001 -

4.6 Servicing data - engine LT 8005
8 Nm
45 Nm
45 Nm
45 Nm
26 Nm
24 Nm
1726 - 001 - Servicing data - 13

4.7 Servicing data - spring unit LT 8005
26 Nm
154 Nm
8.4 Nm
8.4 Nm
100 Nm
26 Nm
40 Nm
14 - Servicing data 1726 - 001 -

5 Servicing tools
5.1 Servicing tools overview
87
6
54
3
21
9
10 11
Item Description Use Article
number/
Source
1 Soft hammer For general use. N/A
2 Screwdriver For general use. N/A
3 Torque wrench For general use. N/A
4 Hex key For general use. N/A
5 Socket wrench For general use. N/A
6 Wrench For general use. N/A
7 Snap ring pliers To remove the snap rings. N/A
8 Snap ring pliers To remove the snap rings. N/A
9 Puller To remove the flanges and the pulleys. N/A
1726 - 001 - Servicing tools - 15

Item Description Use Article
number/
Source
10 Inner puller To remove the bearings. N/A
11 Internal puller To remove the needle bearings. N/A
16 - Servicing tools 1726 - 001 -

6 Product overview for repair and servicing
6.1 Product overview LT 5005, LT 6005, LT 6005 H
12
3
13 12
16
17
18
14
15
3
6
109
4
4
87
11
5
1. Fuel tank
2. Air filter latch
3. Hour meter
4. Vibration damping units
5. Type plate
6. Air filter indicator
7. Choke control
8. Primer bulb
9. Throttle control
10. Handle / safety frame
11. Fuel filter
12. Oil drain plug
13. Oil tank / dipstick
14. Rammer leg
15. Rammer shoe
16. Sight glass for the oil in the spring-loaded rammer
leg
17. Starter rope handle
18. Engine oil indicator
1726 - 001 - Product overview for repair and servicing - 17

6.2 Product overview LT 8005
12
13
5
1
3
24
11
6
7
8
10
9
1. Vibration damping units
2. Type plate
3. Throttle control
4. Fuel tank
5. Handle
6. Fuel filter
7. Air filter
8. Starter rope handle
9. Oil tank / dipstick
10. Oil drain plug
11. Rammer leg
12. Sight glass for the oil in the spring-loaded rammer
leg
13. Rammer shoe
18 - Product overview for repair and servicing 1726 - 001 -

7 Repair and servicing
7.1 To clean and examine the product parts
• Clean and examine all parts fully. You find more
instructions in the chapter for each part if special
tools or procedures are necessary.
• Replace damaged or defective parts.
• Always use original spare parts.
7.2 Air filter
7.2.1 To clean or replace the air filter LT 5005,
LT 6005, LT 6005 H
WARNING: Use approved respiratory protection
when you clean or replace the air filter. Discard
used air filters correctly. The dust in the air filter
is dangerous to your health.
WARNING: Do not clean the air filter with
compressed air. This causes damage to the air
filter and the risk increases that you breathe the
dangerous dust.
1. Examine the air filter indicator. If the air filter
indicator is on red, it is necessary to replace the air
filter.
75%
50%
25%
2. Lift the rubber latch carefully and pull it away from
the air filter cover. Fold the air filter cover forward.
1726 - 001 - Repair and servicing - 19

3. Remove the air filter from the air filter housing.
4. Clean the air filter housing with a brush.
5. Tap the air filter against a hard surface or use a
vacuum cleaner to remove the particles.
CAUTION: Do not let the nozzle of the
vacuum cleaner touch the surface of the
paper filter element. Keep a small distance.
The sensitive surface of the paper filter
element becomes damaged if objects touch
it.
6. Examine the air filter for damage.
7. Discard the air filter if it is damaged.
CAUTION: Always replace a damaged air
filter. If the air filter is damaged, dust can go
into the engine and cause damage.
8. Put the clean air filter or a new air filter into the air
filter housing.
9. Push the reset button for the air filter indicator.
10. Fold the air filter cover down and put the rubber
latch back to the locked position of the air filter
cover.
Note: Make sure that the rubber latch of the air filter
cover is correctly attached.
7.2.2 To clean or replace the air filter LT 8005
WARNING: Use approved respiratory protection
when you clean or replace the air filter. Discard
used air filters correctly. The dust in the air filter
is dangerous to your health.
WARNING: Do not clean the air filter with
compressed air. This causes damage to the air
filter and the risk increases that you breathe the
dangerous dust.
1. Turn the knob on the air filter cover and remove the
air filter cover.
2. Remove the air filter.
3. Clean the air filter housing with a brush.
4. Tap the air filter against a hard surface or use a
vacuum cleaner to remove the particles.
CAUTION: Do not let the nozzle of the
vacuum cleaner touch the surface of the
paper filter element. Keep a small distance.
The sensitive surface of the paper filter
element becomes damaged if objects touch
it.
5. Examine the air filter for damage.
6. Discard the air filter if it is damaged.
CAUTION: Always replace a damaged air
filter. If the air filter is damaged, dust can go
into the engine and cause damage.
7. Put the clean air filter or a new air filter into the air
filter housing.
20 - Repair and servicing 1726 - 001 -