Husqvarna Trimmer HVT40 User Manual

5118384-02  
AIR CUSHION GASOLINE TRIMMER  
OPERATOR MANUAL  
HVT40  
READ THESE INSTRUCTIONS  
CAREFULLY!  
KNOW YOUR CONTROLS.  
LEARN HOW TO STOP YOUR  
TRIMMER IN AN EMERGENCY  
ASSEMBLY OF LOWER  
Trimming Position  
HANDLE TO DECK  
With the trimmer on the ground:  
1.Remove the bolts (1), washers (2) and  
lock nuts (3) from the polythene bag.  
2.Place one washer (2) on to the bolt (1)  
and secure the lower handle (4) by  
placing bolts (1) through deck brackets  
(5) and lower handle (4).  
3.Place washer (2) on bolt and secure  
with lock nut (3).  
Upper Handle  
4
3
2
Start/Stop  
Switch  
2
1
5
CARRYING THE TRIMMER  
ASSEMBLY OF UPPER  
HANDLE TO LOWER HANDLE  
Tie  
wraps  
Bolt, washer  
and Lock nut  
Assemble upper handle (6) to lower  
handle (7) by fitting bolts (8) and washers  
(9) and securing with lock nuts (10).  
Lower Handle  
Tank Cap  
6
Air Cleaner  
7
Starting Handle  
Debris Guard  
8
Bolt,  
washer  
and  
Lock nut  
9
Deck  
10  
HANDLE POSITION  
The handle position can be altered by  
moving it forward for the park position or  
back for the trimming position.  
Primer  
Spark Plug/Lead  
NOTE:  
Park Position  
Before carrying the machine from one  
trimming area to another, disconnect the  
spark plug lead.  
Carry the trimmer at the point of balance  
(see illustration) with the cutting head  
away from you.  
PREPARATION  
Before using your new Husqvarna Hover  
Trimmer, make a careful note of the  
details on the serial number label, which  
can be found on the rear of the deck.  
Always quote these details to your dealer  
when enquiring about spares and  
service.  
NEVER CARRY THE TRIMMER WHEN  
IT IS RUNNING.  
 
HOW TO USE YOUR TRIMMER  
2. Move switch to ‘start’ position.  
NOTE: IF THE ENGINE FAILS TO START  
AFTER 3 PULLS, PRESS THE PRIMER A  
FURTHER 3-5 TIMES AND FOLLOW  
STEP 3.  
FUEL MIXTURE  
STOP  
START -  
STOP -  
To operate the engine, you will need the  
following:-  
1.A clean, high quality 2 cycle oil.  
Tecumseh specially formulated oil is available  
at any Authorised Tecumseh Service Outlet.  
Order as part number 730227.  
Only when engine is running should the  
trimmer be gently lowered to the horizontal  
floating position. Always allow the engine to  
warm up for a minute or two before  
trimming.  
Do not use multi-viscosity oils.  
Disregard mix ratio instructions on oil contain-  
ers if instructions conflict with fuel mix chart  
below.  
STOPPING  
1.Move start/stop switch to 'stop' position.  
USING THE ENGINE PRIMER  
Fuel Mix Chart  
U.S.  
Mixture 24:1  
S.1. (Metric)  
2.As the engine dies, tilt the trimmer to  
one side. This prevents a ring being  
cut in your lawn.  
3.When the engine has stopped, lower  
the trimmer onto the ground.  
When starting the trimmer for the first time or  
after running the fuel tank dry, press the primer  
15-20 times (fig 1), to establish the fuel supply  
to the carburettor.  
Gas Oil to be added Petrol Oil to be added  
1 Gal.  
2 Gal.  
5 Gal.  
4 Liters  
8 Liters  
167 ml  
333 ml  
833 ml  
5 oz.  
11 oz.  
27 oz.  
20 Liters  
4.Put the handle in the Parking position.  
COLD START - if the engine is cold and there  
is fuel in the tank.  
Press the primer 8 to 10 times (fig 1).  
HOW TO CUT  
2. A fresh, clean, unleaded regular  
automotive gasoline. (Leaded regular and  
unleaded or leaded premium grades of gaso-  
line are acceptable substitutes.)  
TOUGH AND HIGH GRASS  
Note:Do not use gasoline containing methanol  
(wood alcohol). Gasoline containing up  
to 10% ethanol or grain alcohol  
Fig. 1  
Before cutting, particularly in long grass,  
examine the ground and remove stones etc.  
If grass is particularly tough, go slowly in order  
to keep the engine revs up.  
(“Gasohol”) may be used but requires  
special care when engine is unused for  
extended periods.  
Do not attempt to mix oil and gasoline in the  
engines own fuel tank.  
USING THE TRIMMER ON  
SLOPES  
Ensure that the fuelinboththe fuelmixture  
container and the engines fuel tank are  
thoroughly mixed before use.  
WARM START - if the engine is warm and  
there is fuel in tank - DO NOT USE THE  
PRIMER.  
If the engine has run out of fuel, refill the tank  
and press the primer 8-10 times  
Exercise extreme caution while using this  
trimmer on slopes.  
Do not fill the fuel tank in an enclosed area,  
when the engine ishotorwhileyouaresmok-  
ing.  
A slope is defined as uneven terrain on which  
you, the operator, are unable to maintain your  
feet firmly on level ground in order to use the  
trimmer.  
Thoroughly clean around the fuel tank filler cap  
before filling, this will help to prevent dirt being  
introduced into the fuel system.  
Fig. 2  
Do not fill the tank while the engine is running.  
Do not use this trimmer on slopes which are  
wet or too steep to maintain a firm footing  
Fill the fuel tank through a funnel fitted with a  
fine filter.  
Always use heavy shoes when using this  
trimmer.  
Never fill fuel tank completely. Fill tank to 1/  
below bottom of filler neck to provide for fuel  
expansion.  
2
Never push the trimmer up the slope.  
Fuel should be stored in a cool place away  
from naked flames.  
Always keep the trimmer below you on the  
slope.  
Your carburettor is pre-set. Normally no further  
adjustment is required.  
COMPLETION OF TRIMMING  
STARTING AND  
STOPPING  
Having completed the trimming, stop the  
engine.  
As soon as the engine begins to fade, tilt the  
trimmer.  
3. Place your left foot on the deck and grasp  
the far arm of the handle with your left hand.  
Tilt the trimmer towards you. (See Fig 2)  
Pull the starting handle gently until you feel  
compression. Let the starting handle return  
slowly. Firmly pull the handle the full length,  
when the engine should start; if not, repeat  
the above procedure.  
STARTING  
1. Connect spark plug lead.  
Disconnect the spark plug.  
Cleaning Trimmer:- Remove grass adhering  
to the underside of deck. A clean machine will  
always work better and last longer than a dirty  
one.  
 
MAINTENANCE OF YOUR TRIMMER  
At all times the amount of line extending beyond  
Do not remove spark plug when engine is hot.  
Do not sand blast the spark plug to clean it.  
Remove spark plug lead and spark plug.  
ON COMPLETION OF TRIMMING  
Clean grass from under deck. Remove any  
leaves or grass cuttings from around the engine  
cooling fins, carburettor and impeller air openings.  
the edge of disc should be of an even length. If  
there is a variation of more than half an inch  
between the four lengths of line replace  
immediately with four full new lengths.  
Important:- Only fit four cutting lines at any  
one time  
WINTER CARE  
For trouble-free trimming next season, make  
sure that your trimmer is serviced immediately  
after the last cut of the year, as follows:-  
When the engine is cold, drain all fuel from the  
tank and then run the engine until it stops. (Fuel  
left in the machine becomes stale and causes  
difficult starting). Thoroughly cleanallexternal  
partsofthetrimmer. Clean air filter (see air filter  
maintenance).  
Inspect, clean and replace spark plug.  
Do not replace spark plug lead.  
Check and replace cutting lines.  
Store the trimmer in a dry, damp-proof secure  
area out of the reach of children.  
AIR FILTER MAINTENANCE  
G Your Tecumseh engine is equipped with a dry  
paper cartridge air filter.  
G Every 10 operating hours check condition of  
paper cartridge.  
G Every 50 operating hours (or more regularly)  
replace the paper cartridge. (see Air Filter  
Cleaning Instructions number 1).  
G Do not attempt to wash, clean or oil the paper  
cartridge.  
HEIGHT ADJUSTMENT  
6
5
4
G If engine is operating in dusty or dirty areas, the  
air filter system will require more frequent  
2
3
CUTTING LINE  
The cutting line is sharp, wear gloves and  
take care when handling it.  
Check the cutting line frequently during  
use and on completion of trimming.  
Removing the Cutting Line  
Air Filter Cleaning Instructions  
(see illustration)  
Fig A  
1
1. Turn cover (3) (anti-clockwise) and remove it  
1. Loosen bolt (A1), using a 13mm socket.  
Remove bolt (A1), spring washer (A2), washer  
(A3), cutting disc (A4) and spacer (A5) (if fitted).  
2. Carefully remove impeller (A6) from engine shaft.  
3. Select required height of cut, (See Figs B, C, D &  
E) and replace any cutting lines required, ensuring  
that cutting line is fitted on correct side of cutting disc.  
G Important:- Cutting line must be on the side  
of the disc facing the grass when fitted.  
4. Replace impeller (A6) on to engine shaft ensur-  
ing that it is correctly located. Replace spacer  
(A5) (if fitted), cutting disc (A4), washer (A3),  
spring washer (A2) and bolt (A1).  
and filter (2) from flange (1). Discard paper  
cartridge.  
2. Clean cover and flange thoroughly.  
3. Insert new cartridge (2) onto flange (1).  
4. Position cover (3) against flange (1) with tab (4)  
on cover inserted into slot (5) in flange (1).  
5. Push cover firmly against flange and turn it  
(clockwise) as far as it will go. Be sure  
retainers are locked around flange.  
Switch machine off and disconnect spark plug  
lead.  
Push the line towards the centre of the cutting  
disc and carefully remove. See Fig 3.  
Fig. 3  
5
2
3
5. Secure assembly with bolt (A1), making sure  
complete assembly is tight, (if in doubt, contact  
your service dealer).  
Renewing the Cutting Line  
Holding the line with thumb and forefinger and  
using other thumb as a guide, curve around  
centre portion of the cutting disc (as illustrated  
in Fig 4) and thread through the hole on the  
rim of the cutting disc.  
1
4
Highest  
1. When cleaning the air cleaner, also check and  
clean the debris guard using a soft brush.  
2. If debris guard is very dirty, unscrew wing nut  
and remove debris guard and filter.  
3. Wash filter in clean soapy water, rinse, wrap in  
a clean dry cloth and squeeze dry.  
Fig B  
Fig C  
Fig D  
Fig E  
height of cut  
Fig. 4  
4. Re-assemble ensuring that the recoil rope  
passes through the slot in the foam filter.  
COOLING SYSTEM AIR INTAKE  
Never operate the engine without the debris guard  
and filter being fitted. Failure to fit the debris guard  
and filter will cause premature engine failure.  
Carefully pull the line into place as  
illustrated in Fig. 5.  
Fig. 5  
SPARK PLUG  
An oily or carboned spark plug makes starting dif-  
ficult and decreases the efficiency of the engine.  
Periodically remove the spark plug and clean and  
adjust when necessary. Gap setting 0.030”  
Lowest  
height of cut  
FAULT FINDING HINTS  
EXCESSIVE VIBRATION  
DIFFICULT TO START  
POOR FLOTATION OR  
Check that the start/stop switch is in the startposition.  
Check that the cutting disc is securely fastened  
and undamaged.  
Tighten all external bolts and screws.  
Check crankshaft - it may have bent.  
LACK OF POWER  
Ensure hole in tank cap is clean.  
Check correct fuel mixture is used.  
Ensure underside of deck is clean.  
Air filtermayneedcleaning(seeair filter  
maintenance).  
Ensure exhaust port on silencer does not have  
excessive build-up of carbon.  
Fuel mixture may be stale (e.g. long time since  
trimmer was used). Renew with fresh mixture.  
Check that correct amount of 2 stroke oil is being  
used in the fuel mixture.  
ENGINE WARRANTY  
Checkthatthecuttingdiscissecurelytightened.  
A full warranty statement is detailed on the  
service literature, and with the Tecumseh  
engine literature supplied with this product.  
ENGINE OVERHEATING  
Remove disc/impeller and clean thoroughly  
between vanes.  
Check flow of air over cylinder. Remove all  
grass and dirt. Check correct fuel mixture.  
Thoroughly clean Debris Guard.  
9006 Perimeter Woods Drive  
G
Charlotte, NC 28216  
G
1-800-GET-SAWS  
G
Dealer Locator 1-800-HUSKY 62  
G
G
The policy of continuous improvement means that specifications may be altered without prior notice. 1997 Husqvarna. HVT40 Operator Manual Part  
 

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