Stihl Ht 75 Owners Manual

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HT 70, HT 75!
Warning!
To reduce risk of serious or fatal injury 
from loss of control of the pole pruner 
never attempt to operate any pole 
pruner with one hand. Always hold the 
pole pruner firmly with both hands.
Wrap your fingers tightly around the 
control handle and shaft, keeping the 
handle and shaft between your thumb 
and forefinger.Keep your hands in this position to have 
your pole pruner under control at all 
times. Make sure the handle and shaft 
are in good condition and free...

11 HT 70, HT 75english
Keep work area clear – move away 
fallen limbs. Place all tools and 
equipment at a safe distance from the 
branches being limbed, but not on the 
escape path.
!
Warning!
To reduce the risk of personal or even 
fatal injury from falling objects do not cut 
vertically above your body. Hold the pole 
pruner at an angle of not more than 60° 
from the horizontal level (see picture). 
Objects may fall in unexpected 
directions. Do not stand directly 
underneath the limb being cut!Watch...

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HT 70, HT 75!
Warning!
Always shut off the engine and ensure 
that the chain is stopped before 
undertaking any adjustments, 
maintenance or repair work, changing 
the saw chain or cleaning the pole 
pruner. Do not attempt any maintenance 
or repair work not described in your 
Owners Manual. Have such work 
performed at your STIHL service shop 
only.
!
Warning!
Never test the ignition system with 
ignition wire terminal removed from 
spark plug or with unseated spark plug, 
since uncontained...

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Preparations:Wear suitable protective clothing 
and equipment – see chapter 
Safety Precautions.
:Adjust telescopic shaft to the 
required length (HT 75 only).
:Start the engine.
:Put on the shoulder strap.
Never throw cuttings into the 
household garbage can – cuttings 
can be composted.
Never stand directly underneath the 
branch you are cutting – be wary of 
falling branches. Note that a branch 
may spring back at you after it hits 
the ground.Cutting sequenceTo allow branches a...

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HT 70, HT 75 Relieving cut
:To avoid kickback, pinching the bar 
or tearing the bark when pruning 
thick branches, always start by 
performing a relieving cut (1) on the 
underside of the branch.
:To do this, apply the cutting 
attachment and pull it across the 
bottom of the branch as far as the 
bar nose.
:Locate the hook against the branch 
and then perform the cross-cut (2).Flush-cutting thick branches
:If  branch diameter is more than 4“ 
(10cm), first perform undercut (3) 
and then...

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Cutting from a lift bucket
The units long reach enables cutting to 
be performed next to the trunk without 
the risk of the lift bucket damaging other 
branches. The tool angle depends on 
the position of the branch.30° angle drive
(special accessory for HT 70)
The angle drive keeps the cutting 
attachment at an angle of 30° to the 
drive tube.
The angle drive may be adjusted on the 
drive tube to the following positions only:
1:For cross-cutting vertical branches 
and bushes....

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HT 70, HT 75 :Unscrew nut and take off cover.
:Turn tensioning screw (1) 
counterclockwise until the 
tensioning nut (2) butts against the 
left end of the housing slot, then 
back it off 5 full turns.The chain is very sharp – wear work 
gloves to protect hands from cuts.
:Fit the chain – 
start at the bar nose.:Fit guide bar over the stud (3). 
Engage peg of tensioner slide in 
locating hole (4) – place the chain 
over sprocket (5) at the same time.
:Now turn tensioning screw (1) 
clockwise...

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Retensioning during cutting work: 
:Shut off the engine and then 
slacken the nut.
:Hold the bar nose up.
:Use screwdriver to turn the 
tensioning screw (1) clockwise until 
chain fits snugly against the 
underside of the bar. 
Tighten down the nut  firmly.
A new chain has to be retensioned more 
often than one that has been in use for 
some time – check chain tension 
frequently – see chapter Operating 
Instructions / During Operation“. 
:Check chain tension.:Shut down the...

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HT 70, HT 75 :Press down the trigger interlock (1) 
and squeeze the throttle trigger (2)  
(full throttle) – this sets the throttle 
cable correctly.This engine is certified to operate on 
unleaded gasoline and the STIHL two-
stroke engine oil at a mix ratio of 50:1.
Your two-stroke engine requires a 
mixture of brand-name gasoline and 
quality two-stroke air cooled engine oil.
Use mid-grade unleaded gasoline with a 
minimum octane rating of  89 (R+M/2). If 
the octane rating of the mid-grade...

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Fuel mix ages
Only mix sufficient fuel for a few days 
work, not to exceed 3 months of storage. 
Store in approved fuel-canisters only. 
When mixing, pour oil into the canister 
first, and then add gasoline. Close the 
canister and shake it vigorously by hand 
to ensure proper mixing of the oil with 
the fuel.       
Dispose of empty mixing-oil canisters 
only at authorized disposal locations.Before fueling, clean the filler cap and 
the area around it to ensure that no dirt 
falls...