Troubleshooting - Stiga PRO 1171 HST Gebrauchsanweisung

7.1

TROUBLESHOOTING

Problem Possible cause
Engine fails to Engine flooded.
start.
Water in fuel or old
fuel.
Other.
Engine starts Spark plug faulty.
hard or runs
Fuel cap ventila-
poorly.
tion is blocked.
Auger does Foreign matter
not rotate. blocking.
Shear pin broken.
Auger drive belt
slipping.
Auger drive belt
broken.
Auger does Auger drive belt is
not stop when out of adjustment.
the lever is
Auger drive guide
released.
is out of adjustment.
Snowthrower Tire pressure not
veers to one equal.
side.
Only one wheel
drives.
Shoes uneven
adjusted.
Scraper blade une-
ven adjusted.
7.2 ADJUSTING THE SCRAPER BLADE AND
SHOES
The scraper blade and shoes gets worn after a long term of
use.
Adjust the scraper blade (always together with the shoes)
until desired distance to the ground.
The scraper blade and the shoes are reversible and can be
used on both sides.
See "5.9".
7.3 GENERAL ABOUT BELTS
The drive belts should be checked (and adjusted if required)
for the first time after 2 – 4 hours use and then the middle of
each season. They should thereafter be checked twice a year.
The belts are specially designed for this machine. They must
be replaced by new genuine belts provided by your retailer or
authorised service station.
When the belts are adjusted or replaced, the control wires
must also be adjusted (see below).
ENGLISH
Remedy
Repeated start attempts
with full throttle choke
OFF
Drain tank and refill
with fresh fuel.
Check carefylly the
start procedure accord-
ing to this manual.
Replace the spark plug.
Clear the ventilation.
Clean the auger with
the supplied stick.
Replace the broken pin.
Adjust the belt and
wire.
Replace the belt.
Adjust the belt.
Adjust the guide.
Adjust the tire pressure
Check the wheel locks.
Adjust scraper blade
and shoes.
Adjust scraper blade
and shoes.
Original instructions for use
7.4 THE AUGER BELT
7.4.1 Check and adjustment of the auger belt
See fig. 17, 18.
1. Remove the ignition key.
2. Remove the belt protective cover (1) by loosening the
screws (2). See fig. 16.
3. Loosen the tension-pulley (B) and move it about 3 mm
towards the belt.
4. Tighten the tension pulley nut.
5. Check the belt tension by pressing down the auger clutch
lever. With a finger, you should be able to push the belt
about 12 - 13 mm without any great power (fig. 19).
6. Repeat the above procedure if further adjustment is
required.
7. Reassemble the belt protection. See fig. 16.
7.4.2 Adjustment of auger belt guide
See fig. 17, 18.
1. Remove the ignition key.
2. Remove the belt protective cover (1) by loosening the
screws (2). See fig. 16.
3. Activate the auger clutch lever (20) in fig. 1.
4. Check the distance between the belt guide and the belt.
See fig. 18 according the distance.
5. If adjustment is required, loosen the screw to the belt
guide and set the correct distance.
6. Tighten the screw properly.
7. Reassemble the belt protection.
7.5 DRIVE BELT, HST
7.5.1 Adjusting the drive belt
1. Dismantle the belt cover (1) by loosing the screw (2). See
fig. 16.
2. Adjust the tension pulley (A in fig. 17) until a belt play of
about 45 mm. See fig. 20.
Do not overtighten the belt. This will damage the
belt and the bearings. Always check the belt
tension according to the instructions below before
using the machine.
3. Check the adjustment according to the instructions
below.
4. Reassemble the belt cover. See fig. 16.
7.5.2 Check the drive belt
1. Disconnect the wheel locks.
2. Set the speed lever in the neutral position. Do not activate
the clutch lever.
3. Start the engine and move the speed lever slow forwards.
If the drive shafts rotate, the belt is too tight, and the
tension pulley (A in fig. 17) shall be loosened and moved
from the belt.
4. If the tension pulley was moved redo the adjustment and
the check as described above.
EN
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