Husqvarna 13 C Instruction manual

Workshop manual
Rider 11 Rider 11C
Rider 13C Rider 15C
Rider 16 English

English – 1
Workshop manual
Rider 11, Rider 11 C,
Rider 13 C, Rider 15C, Rider 16
Contents
Safety regulations ............................................... 2
General instructions ......................................... 2
Special instructions .......................................... 2
Special tools ........................................................ 3
Technical data ..................................................... 4
Tightening moments......................................... 4
Play .................................................................. 4
Mowing deck .................................................... 6
Control points ................................................... 5
Delivery and dealer service ................................ 7
Maintenance schedule ..................................... 9
Delivery measures ............................................ 10
To our dealer .................................................. 10
Packaging and unpacking .............................. 10
Parts enclosed in packaging .......................... 10
Battery ............................................................ 11
Steering wheel ............................................... 12
Tow plate ........................................................ 12
Oil levels ........................................................ 12
Wheels ........................................................... 13
Checking and adjusting of the mowing
deck’s ground pressure and parallelism ........ 13
Test running ................................................... 14
Speed regulator ............................................. 15
Administration ................................................ 15
Design and function .......................................... 16
General .......................................................... 16
Serial number ................................................. 17
Engine ............................................................ 18
Steering .......................................................... 19
Driving ............................................................ 20
Mowing deck .................................................. 20
Reparation instructions .................................... 23
Removing engine ........................................... 23
Replacing engine ........................................... 25
Fuel tank ........................................................ 27
Changing engine oil ....................................... 28
Checking and adjusting steering wires .......... 28
Replacing steering wires ................................ 29
Removal/installation of steering axle.............. 29
Removal/installation of wire wheel ................. 30
Checking and adjusting brake wire ................ 31
Checking and adjusting gear control .............. 32
Checking and adjusting freewheel clutch ....... 32
Checking and adjusting throttle control .......... 33
Replacing articulated steering bearing .......... 33
Removal of swing axle ................................... 35
Replacing bushings ........................................ 35
Installation of swing axle ................................ 36
Removal/installation of gear box .................... 37
Removal/installation of hydrostatic
transmission ................................................... 37
Replacing hydrostat. trans. axle seals ............ 38
Input axle .................................................. 38
Outgoing axles .......................................... 39
Replacing hydrostatic transmission wire ........ 40
Bleeding hydrostatic transmission oil system. 44
Adjustment of transmission neutral position .. 44
Transmission maintenance............................. 45
Oil change ................................................. 45
Removal of belt .............................................. 46
Checking and adjusting cutting unit ground
pressure ......................................................... 47
Checking and adjusting parallelism of the
mowing deck .................................................. 47
Adjusting cutting height area .......................... 49
Adjusting cutting height .................................. 49
Removing the cutting unit .............................. 50
To leave the service position .......................... 51
Dismantling the cutting unit ............................ 52
Replacing cutting unit belts ............................ 53
Removal of blades with bearings ................... 54
Grinding and balancing of blades .................. 58
Electrical system ............................................... 59
Circuit diagram Rider 11 and Rider 11C ........ 59
Circuit diagram Rider 13C and Rider 15C...... 60
Circuit diagram Rider 16 ................................ 61
Inspection of safety system ............................ 62
Troubleshooting chart

2– English
Safety regulations
General instructions
The workshop handbook is written for personnel
who are assumed to have general ride-on mower
reparation and service know-how.
The workshop where the ride-on mower is repai-
red should be equipped with safety devices in
accordance with local regulations.
No-one should attempt to repair the ride-on
mower without having first read and understood
the contents of this handbook.
The machine is tested and approved only with the
equipment originally provided or recommended
by the manufacturer.
The below-mentioned boxes are included in this
workshop handbook, as is appropriate.
Special instructions
The fuel used in the ride-on mower has the
following hazardous characteristics:
• Toxic fluid and fumes
• Can cause eye and skin complaints
• Can cause breathing difficulties
• Highly flammable
When using compressed air, do not direct the
compressed air stream towards your, or anybody
else's, body. Air can be forced into the blood
stream, thereby constituting a danger to life .
Use eye protection when working with tensioned
springs.
Use hearing protectors when test driving.
After test driving, do not touch the silencer before
it has cooled down. Risk of burn injuries. This
especially applies if the ride-on mower is
equipped with a catalytic converter. If consumed,
the lining on and in the catalytic converter ele-
ment is dangerous to health. Use protective
gloves when working with the catalytic converter/
silencer.
The blades are sharp and can cause cutting
injuries. Always use protective gloves when you
are handling the blades.
Use protective glasses when working with the
mowing deck. If the belt's tension spring comes
off and flies upwards, this can cause injury to
persons.
Use eye protection when working with the battery
with the plugs removed. Be extra careful when
handling battery acid. Spilling acid on the skin can
cause severe burn injuries. If acid is spilt on the
skin, rinse immediately with water. If acid gets into
the eyes, this can cause blindness, contact a
doctor.
Be careful with the maintenance of the battery.
Explosive gas is formed in the battery. Never
handle the battery when smoking or in the vicinity
of naked flames or sparks. Otherwise, the battery
can explode and cause severe injuries.
IMPORTANT INFORMATION
This box indicates a risk of damage to
the material if the instructions are not
followed.
WARNING!
The warning box indicates a
risk of injury to persons if the
instructions are not followed.
IMPORTANT INFORMATION
Waste oil and old filters shall be handled
as hazardous waste.

English – 3
535 41 32-01
506 89 93-01
506 79 06-01
506 89 92-01
506 66 48-01
506 66 48-01 506 79 06-01 506 89 92-01 506 89 93-01 535 41 32-01
Special tools
The following special tools are used when working on the ride-on mower.
Special tools for the engine and transmission are specified in resp. Workshop Manuals.
506 66 48-01 Puller for engine pulley.
506 79 06-01 Ball-ended Allen key 3/8" to unscrew the engine pulley socket head cap screw (Briggs &
Stratton).
506 89 92-01 Counter-hold for engine belt pulley.
506 89 93-01 Tool for the articulation spring.
535 41 32-01 Set of drifts for bushings on the swing axle.

4– English
Technical data
Tightening moments
Carrier steering 5–10 Nm 3,5-7 lbft
Pulley steering wire 20–30 Nm 14-21 lbft
Belt wheel 35–40 Nm 25-28 lbft
Blades 45–50 Nm 32-36 lbft
Blade bearings 20–25 Nm 14-18 lbft
Belt tensioner wheel 15–25 Nm 10-18 lbft
Holder screws, engine 20–25 Nm 14-18 lbft
Holder screws, gear box 20–25 Nm 14-18 lbft
Engine pulley 70–80 Nm 50-56 lbft
Play
Clutch wire R 11: 8–10 mm
(5/16" - 3/8")
Brake control lever against stop bolt R 11: 0–1 mm
(0 - 0.040")
Brake control lever R 11: 7–9 mm
(1/4" - 3/8")
Brake wires R13, R16: 1 mm
(0.040")
Wires, hydrostatic transmission
pedals R13, R16: 0 mm
Dimensions Rider 11 Rider 11 C
Length 2 000 mm / 6.56 ft 2010 mm / 6.58 ft
Width 900 mm / 2.89 ft 900 mm / 2.89 ft
Height 1070 mm / 3.52 ft 1070 mm / 3.52 ft
Weight in working order
with unit 229 kg / 505 lb 229 kg /505 lb
Wheel base 820 mm / 2.69 ft 855 mm / 2.8 ft
Track 610 mm / 2 ft 625 mm / 2.05 ft
Tyre size 165/60 - 8 165/60 - 8
Tyre pressure, front & rear 60 kPa (0,6 kp/cm2/ 8.5 PSI) 60 kPa (0,6 kp/cm2/ 8.5 PSI)
Max. gradient 10° 10°
Engine
Manufacture Briggs & Stratton Briggs & Stratton
Model 215907011E1 215907011E1
Power 7,7/10,5 kW/hk 7,7/10,5 kW/hk
Displacement 344 cm3344 cm3
Fuel min. 85 octane unleaded min. 85 octane unleaded
Tank capacity 7 litres/ 7.4 USqt 7 litres/ 7.4 USqt
Oil SAE 5W/30 or SAE 10W/30 SAE 5W/30 or SAE 10W/30
class SJ-CF class SJ-CF
Oil capacity 1,4 litres/1.5 USqt 1,4 litres/1.5 USqt
Electrical system
Type 12 V, negative earth 12 V, negative earth
Battery 12 V, 24 Ah 12 V, 24 Ah
Spark plug Champion QC12YC Champion QC12YC
Main fuse 0,75 mm / 0.030" 0,75 mm / 0.030"
Spark plug gap Flat pin yoke 15 A Flat pin yoke 15 A
Transmission
Manufacture Peerless typ MST 205 Peerless typ MST 205
Oil SAE 10W/30, klass SF–CC
No. of forward gears 5 5
No. of reverse gears 1 1
Speed in forward gears 1,85-8,9 km/h 0-9 km/h
Speed in reverse 0-3 km/h 0-3 km/h
Cutting unit
Type 3-blade unit with rear ejection 3-blade unit Combi 940 mm
Cutting height 9 pos. 40–90 mm / 1 9/16"-3 9/16" 9 pos. 40–90 mm / 1 9/16"-3 9/16"
Blade diameter 304 mm / 12" 360 mm / 14 3/16"

English – 5
Technical data
Dimensions Rider 13 C Rider 15 C
Length without unit 2010 mm / 6.58 ft 2010 mm / 6.58 ft
Length with unit 2220 mm / 7.29 ft 2220 mm / 7.29 ft
Width without unit 880 mm / 2.89 ft 880 mm / 2.89 ft
Width with unit 1114 mm / 3.65 ft 1114 mm / 3.65 ft
Height 1070 mm / 3.52 ft 1070 mm / 3.52 ft
Weight in working order
with unit 232 kg / 511 lb 249kg / 549 lb
Wheel base 855 mm / 2.8 ft 855 mm / 2.8 ft
Track front 715 mm / 2.34 ft 715 mm / 2.34 ft
Track rear 625 mm / 2.05 ft 625 mm / 2.05 ft
Tyre size 165/60 - 8 165/60 - 8
Tyre pressure, front & rear 60 kPa (0,6 kp/cm2/ 8.5 PSI) 60 kPa (0,6 kp/cm2/ 8.5 PSI)
Max. gradient 10° 10°
Engine
Manufacture Briggs & Stratton / 219907011E1 Briggs & Stratton / 282H070110 E1
Power 9,2/12,5 kW/hk 11,4 / 15,5 kW/hk
Displacement 465 cm3465 cm3
Fuel min. 85 octane unleaded min. 85 octane unleaded
Tank volume 7 liter / 7.4 USqt 7 liter / 7.4 USqt
Oil synthetic SAE 5W/30 eller SAE 10W/30 SAE 5W/30 eller SAE 10W/30
klass SJ-CF klass SJ-CF
Oil volume 1,4 liter 1.5 USqt 1,4 liter 1.5 USqt
Electrical system
Type 12 V, negative earth 12 V, negative earth
Battery 12 V, 24 Ah 12 V, 24 Ah
Spark plug Champion QC12YC Champion QC12YC
Electrode gap 0,75 mm / 0.030" 0,75 mm / 0.030"
Main fuse 15 A Flat-blade mounting 15 A Flat-blade mounting
Transmission
Manufacture Tuff Torq K46 Tuff Torq
Oil SAE 10W/30, class SF–CC SAE 10W/40, class SF–CC
Oil volume 2,2 litres/ 2.35 USqt 2,2 litres / 2.35 USqt

6– English
Mowing deck: Rear ejector 85 Combi 94 Combi 103 Combi 112
Cutting width 850 mm 940 mm/37" 1 030 mm/40,5" 1 120 mm/44"
Cutting height 40-90 mm 45-95 mm/1,75-3,75" 45-95 mm/1,75-3,75" 40-100 mm/1,75-3,75"
Blade length 304 mm 360 mm/14" 410 mm/16" 420 mm/16,5"
Noise level 100 dB(A) 100 dB(A) 100 dB(A) 100 dB(A)
Weight 29,0 kg 46,0 kg/102 lb 48,0 kg/106 lb 50,0 kg/110 lb
Overall width 950 mm 1 800 mm/3.54 ft 1 115 mm/3,66 ft 1 230 mm/4,04 ft
Check List
Parallelism, cutting unit with cutting height in
position 1: ± 2 mm ± 0.079"
Checking the cutting height in position 1: Rider 11 = 37 ± 2 mm 1.546" ± 0.079"
Outher = 40 ± 2 mm 1.57" ± 0.079"
Tension Combi 94, Combi 103 and Combi 112: Automatic adjustment
Distance between support plate and drive belt: 3–6 mm 1/8"–1/4"
Distance between the belt adjuster lever and
the belt guide, disengaged unit: 17 ± 5 mm 7/16" ± 3/16"
Play
Brake cable: 1 mm / 0.040"
Cable, hydrostatic pedals: 0 mm
Dimensions: Rider 16
Length 2 000 mm/6,56 ft
Width 900 mm/2,95 ft
Height (over steering wheel) 1 060 mm/3,48 ft
Weight 208 kg/459 lb
Track front 625 mm/2,05 ft
Track rear 625 mm/2,05 ft
Wheel base 860 mm/2,81 ft
Tyre size 16 x 6.50 x 8
Air pressure 60 kPa/8,5 PSI
Max. gradient 10°
Engine:
Manufacture Briggs & Stratton
Model - 2002 28N707
Model 2003 - 282H070110E1
Power 11,4/15,5 kW/hp
Displacement 465 cm3/28,42 cu inch
Fuel min 85 octane unleaded
Tank capacity 7 litres/7,4 USqt
Oil mineral-2002 SAE 30 or 10W/30 class CD-CF
Oil synthetic 2003 - SAE 5W/30 or 10W/30 class SJ-CF
Oil mineral 2003 - or SAE 30 class SF-CC
Oil capacity 1,4 litres/1,5 USqt
Electrical system
Type 12 V, negative earth
Battery 12 V, 24 Ah
Main fuse Flat pin yoke 15 A
Spark plug - 2002 Champion CJ8 or J8
Spark plug 2003 - Champion QC12YC
Spark plug gap 0,75 mm/0,030"
Transmission
Manufacture Tuff Torq K 46
Oil SAE 10W/30 class SF-CC
Oil capacity 2,2 litres/2,35 USqt
Technical data

English – 7
Delivery and dealer service
Pre-delivery service
1. Top up battery with acid and recharge for four hours.
2. Fit the steering wheel, tow plate, and where appropriate other parts.
3. Adjust cutting unit:
Adjust lift springs (effective weight of cutting unit should be
12–15 kg (26,5-33 lb), or set to maximum lift if brush is to be fitted). (Only applies to Combi.)
Adjust cutting unit so that rear edge is about 2–4 mm (1/8") higher than front edge.
Adjust cutting unit height setting so that cutting height limit is 5 mm (3/16") above the frame of the
unit at the lowest cutting height.
4. Check that engine has correct amount of oil.
5. Check that the right amount of oil is in the transmission. (Not Rider 11)
6. Check and adjust tyre pressure (60 kPa/0,6 bar/8,5 PSI).
7. Connect battery.
8. Fill with fuel and start engine.
9. Check that machine does not move in neutral. (Not Rider 11)
10. Check:
Forward drive.
Reverse drive.
Operation of blades.
Seat safety switch.
Lift lever safety switch.
11. Check engine revs 2 900 - 3 100 rpm.
Rider 16, 2003- model, 2 800-3 000 rpm.
12. Tell customer about:
Need and benefits of following the service schedule.
Need and benefits of having machine serviced every 300 hours.
The effects of maintenance on the machine’s second-hand value.
Applications for Combi.
13. Complete proof of sale, etc.
After first 5 hours
1. Change engine oil.

8– English
Delivery and dealer service
Dealer service
25 hours service
1. Change the engine oil on the side-valve
engine (With high load and temperature on
the overhead-valve engine).
2. Clean/replace the airfilter’s pre-filter or oil-
foam element, if fitted. (More frequent
intervals in dusty operating conditions.)
3. Clean/replace the air filter’s filter cartridge (25
hours, 100 hours if pre-filter is fitted).
(More frequent intervals in dusty operating
conditions.)
4. Check the tyre pressures.
5. Check the mower deck (visual inspection)
6. Lubricate the belt tensioner.
7. Lubricate joints and axles.
8. Adjust the brake (Rider 11).
9. Check the V-belts.
10. Clean the engine’s cooling air intake.
11. Check/clean the hydrostatic transmission
gear’s cooling fins.
50 hours service
1. Carry out 25 hours service as above.
2. Change engine oil.
3. Check the oil level in the transmission.
(Rider 13, 15, 16).
4. Check/adjust the parking brake.
(Rider 13, 15, 16).
5. Check/adjust the throttle wire.
6. Clean the cooling fins on the engine and
transmission.
7. Check/adjust the settings on the mowing
deck.
8. Inspect the flame guard/spark arrester.
(extra equipment)
100 hours service
1. Carry out 25 hours service as above.
2. Carry out 50 hours service as above.
3. Replace the pre-filter and filter cartridge in the
air filter.
4. Replace the fuel filter in the pipe.
5. Clean/replace the spark plug.
300 hours service
1. Inspect the machine. Reach agreement with
the customer about which additional work
should be carried out.
2. Carry out 25 hours service as above.
3. Carry out 50 hours service as above.
4. Carry out 100 hours service as above.
5. Check the valve clearance on the engine.
At least once a season
1. Change the engine oil (25/50 hours).
2. Replace the pre-filter in the air filter.
3. Replace the filter cartridge in the air filter.
4. Check/adjust the settings on the mowing
deck.
5. Adjust the parking brake.
6. Inspect the flame guard/spark arrester (extra
equipment).
7. Clean/replace the spark plug.
8. Replace the fuel filter in the pipe.
9. Clean the cooling fins on the engine and
transmission.
10. Check the valve clearance on the engine.
11. 300 hours service should be carried out by an
authorised service workshop.

English – 9
1) First change after 5 hours. Replace after every 25 hours with heavy loads and high temperatures. 2) Cleaning and replacing should
be carried out more frequently in dusty conditions. 3) The machine should be lubricated twice a week if used daily. 4) Carried out by
authorised service workshop.
WARNING!
No service procedures must be conducted on the engine or cutting unit unless:
●= Described in this Workshop Manual.
❍= Not described in this Workshop Manual.
▼= Described in the Operating Instructions.
Maintenance interval in
hours
• The engine is switched off.
• The ignition key is removed.
• The ignition cables are removed
from the plugs.
• The parking brake is applied.
• The cutting unit is disengaged.
Maintenance schedule
The following is a list of the maintenance which should be conducted on the machine. Most of the points
that are not covered by this workshop manual are covered by the operator’s manual.
50 100
Page
25
Maintenance
Daily
maintenance
before
starting
Check the oil level in the engine 12 ●
Check the engine’s cooling air intake - ▼
Check the fuel pump’s air filter - ▼
Check the steering wires 29 ●
Check the brakes 31 ●
Check the battery 11 ●
Check the safety system 61 ●
Check the screws and nuts - ❍
Check if there is any fuel or oil leakage - ❍
Clean around the silencer
Change the engine oil side-valve engine 1) 28 ●1)
Change the engine oil overhead-valve engine 1) 28 ●1) ●1)
Clean the air filter’s pre-filter 2) -▼
Check the mower deck 47 ●
Check the tyre pressures (60 kPa) 13 ●
Lubricate the belt tensioner 3) -▼
Lubricate joints and axles 3) -▼
Adjust the brakes, Rider 11 31 ●
Check the V-belts - ❍
Check the transmission’s cooling fins,
Rider 13 C, Rider 15 C and Rider 16 - ❍
Check the transmission’s oil level,
Rider 13 C, Rider 15 C and Rider 16 44 ●
Adjust the brakes, Rider 13 C, Rider 15 C and Rider 16 31 ●
Check and adjust the throttle wire 26 ●
Clean the cooling fins on the engine and transmission 2,4) -❍
Replace the air filter’s pre-filter and paper filter 2) -▼
Replace the fuel filter - ▼
Replace the spark plug 8 ▼
Delivery and dealer service

10 – English
Delivery measures
To our dealer
Well-performed delivery service is the first step to
a functioning aftermarket. A functioning
aftermarket is in everybody’s interest:
• The customer is satisfied with their Rider. He/
she knows where to go to get help if problems
occur.
• You have a regular customer, who
recommends you and your company to other
potential customers.
• In this way we build our trademark together,
and take joint responsibility for our products
and customers.
Make sure the paper work is in good order.
Fill in the warranty and delivery documents etc.
and make sure that the customer gets the right
Operating Instructions for their machine.
Keep a customer register so that in future you can
see which machines customers have, including all
the serial numbers. This register will benefit you
when ordering spare parts and for future
marketing.
In conjunction with the delivery you should also
give the customer the information required to
ensure the safe handling and care of their
machine. Pay special attention to informing the
customer about:
• Safety instructions.
• Controls. Emphasise that one does not push in
the reversing lock on Rider 11 when engaging
the neutral position (start lock function).
• Checking of oil levels. Replenishing of oil, and
which type of oil is required.
• First oil change after the running-in period.
• The need for, and advantages of, following the
service schedule and regularly handing in their
Rider for service.
• Which fuel should be used.
• Mowing tips to get good results. Applications
for BioClip.
• Which accessories are available for the type of
Rider in question.
• Warranty regulations.
• Your company, and who the customer can turn
to if problems occur.
Packaging and unpacking
On delivery from the factory the Rider is normally
packed in special packaging. This consists of a
wooden bottom board with a top part consisting of
heavy-duty cardboard held together by plastic film.
The bottom board is provided with pallet feet and
the goods can be handled with a normal fork-lift
truck from the long side. To keep the goods as
level as possible, two men should help the truck
driver. Lift the machine and drive the truck
carefully.
Undo the plastic film and lift off the cardboard
sections. The Rider is placed on the bottom
board, braked and secured with wooden blocks.
Check that there is no transport damage after
removing the packaging. Report any damage to
the transport company in accordance with the
standard routines.
The packaging should not be returned.
Parts enclosed in packaging, Rider
The following parts are enclosed in the transport
box:
No. Part
1 Steering wheel with steering column tube
1 Socket head cap screw steering column tube
1 Lock nut steering column tube
2 Support rollers (BioClip)
6 Battery plugs
1 Operating Instructions
1 Operating and Maintenance
Instructions Briggs & Stratton
4 Wheels (certain markets)
WARNING!
Handle the transport box
carefully. Keep the goods as
level as possible. Use long forks
when lifting from the short side.
Lifting from the short side requires long pallet
forks, see diagram.

English – 11
WARNING!
Measures for contact with acid
External: Rinse thoroughly with water.
Internal: Drink large quantities of water or
milk. Contact a doctor as soon as
possible.
Eyes: Rinse thoroughly with water.
Contact a doctor as soon asap.
The battery gives off explosive gas. Sparks,
naked flames and cigarettes must absolutely
not be in the near vicinity of the battery.
Battery
The battery is delivered dry-charged from the
factory. The cells are fitted with sealing film. The
battery plugs are packed in a plastic bag.
• Fill the battery cells slowly with battery acid to
the max. level mark on the battery container.
• Wait 20 minutes and top up with battery acid if
necessary.
• Charge the battery with 12 V max. 6 A for 4
hours.
• Check the electrolyte level and top up if
necessary with distilled water to the top level
marks on the battery container.
Put the battery in position.
Connect the battery with the screws and nuts
fitted on the battery. Brace the screws when fitting
to avoid exposing the terminals to strain.
• Black cable is connected to -.
• Red cable is connected to +.
Make sure the cables do not rub against the
material.
Fit the cover over the battery and tighten the
strap.
Delivery measures

12 – English
ADD FULL
ADD FULL
Steering wheel
• Fit the steering wheel with the steering column
tube on the steering shaft.
• Screw in the socket head cap screw so that it
goes in the slot on the steering shaft. Work on
the steering wheel and tighten the socket head
cap screw so that it bottoms in the slot.
• Fit the lock nut on the socket head cap screw.
Tow plate
The tow plate is fitted the “wrong way round” at
the factory for transport reasons. Fit the tow plate
on the rear bumper as shown in the diagram.
Check the oil level in the engine
Check the oil level in the engine when the Rider
stands horizontal with the engine switched off.
Lift up the engine cover.
Loosen the dipstick and pull it out. Wipe the
dipstick and replace it.
The dipstick should be screwed fully down.
Loosen the dipstick and pull it out again. Check
the oil level.
The oil level should lie between the markings on
the dipstick. If the level is close to the “ADD”
mark, top up with oil to the “FULL” mark on the
dipstick.
The oil is poured in the same hole the dipstick fits
in.
Fill the oil slowly. Tighten the dipstick correctly
before starting the engine. Start and run the
engine at idling speed for approx. 30 seconds.
Turn off the engine. Wait 30 seconds and check
oil level. If necessary fill so that the oil comes up
to the ”FULL” mark on the dipstick.
Use engine oil SAE 30 or SAE 10W/30, class SF-
CC on all machines up to 2002 models as well as
later models of Rider 11 and 13 with side-valve
engines.
From 2003 Rider 16 models use first and
foremost synthetic engine oil class SJ-CF 5W/30
or 10W/30, otherwise SAE30, class SF-CC.
The engine takes a total of 1.4 litres/1,5 USqt of
oil.
Delivery measures
Rider 16, 2003 model

English – 13
RIDER 850
RIDER 850
Check that there is oil in the transmission’s oil
tank. Fill if necessary with engine oil SAE 10W/30
(class SF–CC).
Wheels
Fit the wheels (certain markets). The tyre
pressures should be 60 kPa (0,6 kp/cm2 /8,5 PSI)
on all the wheels.
To improve the driving capacity the pressure in the
back tyres can be reduced to 40 kPa
(0,4 kp/cm2 /5,6 PSI).
Maximum permitted pressure is 100 kPa
(1,0 kp/cm2 /14 PSI).
Checking the oil level in the
transmission
(Not Rider 11)
Remove the transmission cover. Loosen both
screws (one on each side) and lift off the
transmission cover.
Checking and adjusting of the mowing
deck’s ground pressure and
parallelism
Carried out after checking the tyre pressures. See
respective sections in this Workshop Manual.
Delivery measures
IMPORTANT INFORMATION
Check and top up with oil after each test
drive. The oil level will drop if there are
air pockets in the transmission.
IMPORTANT INFORMATION
Different pressures in the front tyres will
cause the blades to cut the grass at
different heights.

14 – English
2
1
WARNING!
Petrol is highly inflammable.
Observe caution and fill up with
petrol outdoors.
Test running
Fill up with petrol. The engine should be run on
the lowest 85 octane unleaded petrol (no oil
admixture). It can be beneficial to use
environmentally adapted alkylate petrol. Do not
use petrol that contains methanol.
WARNING!
Never run the engine indoors, or
in enclosed or poorly ventilated
areas. Engine exhaust fumes
contain poisonous carbon
monoxide.
Start the engine.
Check that the machine is in neutral and standing
on level ground when the parking brake is
released. (Not Rider 11)
Check the function of the parking brake.
Check driving forwards (1) and backwards (2).
Check that the starter does not function when any
of the hydrostatic transmission pedals are
activated (Rider 13C, 15C, 16) or when the gear
stick is not in neutral (Rider 11).
Check that the engine stops when getting up from
the seat when any of the hydrostatic transmission
pedals are activated (Rider 13C, 15C, 16) or
when the gear stick is not in neutral (Rider 11).
Check that the starter does not function when the
mowing unit is in its lower position.
Delivery measures

English – 15
Check the function of the mowing deck and that
there is no abnormal noise.
The mowing height can be regulated in 9 different
positions with the lever.
Deck with rear ejector, 40-90 mm,
mowing height
(1 9/16" - 3 9/16")
Combi-deck, 45-95 mm,
mowing height
(1 3/4" - 3 3/4")
Speed regulator
Check that the engine’s maximum speed is
regulated at:
Rider 11 2 900 - 3 100 rpm
Rider 11 C 2 900 - 3 100 rpm
Rider 13 C 2 900 - 3 100 rpm
Rider 15 C 2 900 - 3 100 rpm
Rider 16 2 900 - 3 100 rpm
Rider 16 2003 - 2 800 - 3 000 rpm
Administration
Fill in the sales certificate and customer register
etc.
Do not forget to enter the manufacturing number
on page 3 of the operator’s manual and to verify
the delivery service in the service log.
Delivery measures

16 – English
RIDER 850
RIDER 850
RIDER 850
RIDER 850
Design and function
General
Husqvarna Riders is a series of ride-on mowers
with a large capacity. It is available in several
sizes, from the smallest Rider 11 to the largest
Rider ProFlex 21.
This manual deals with the slightly smaller
machines, the larger Pro-and ProFlex machines
can be found in a separate manual. All Riders
have articulated steering in order to easily cut
around trees and other obstacles. Moreover, they
all have front-mounted mowing decks for
controlled cutting and for best possible cutting
results.
Husqvarna Riders can, moreover, be equipped
with various accessories such as moss rake and
dozer blade which make them flexible working
tools throughout the year.
Rider 11 and Rider 11 C can be delivered with a
manual gearbox, while the other models are only
available with hydrostatic transmission.
Rider 11 has a mowing deck with rear ejection.
Rider 11 C, Rider 13 C and Rider 15 C have a 3-
blade BioClip cutting unit.
Rider 16 is available with different mowing decks.
• Combi 103 or Combi 112.

English – 17
Design and function
Serial number
The serial number can be found on the printed
plate attached to the front, left-hand side under
the seat. Stated on the plate, from the top are:
• The machines type designation.
• The manufacturer’s type number.
• The machine’s serial number.
State the type designation and serial number
when ordering spare parts.
On older machines the engine’s manufacturing
number is punched on a plate that is riveted to
the fan cover. On newer engines in Rider 16 the
data is punched on the cover.
The plate states:
• Model.
• Type.
• Code.
Please state these when ordering spare parts.
Older engines all versions
Newer engines Rider 16 (2003-)
The transmission’s serial number is stated on the
barcode decal located on the front of the housing
on the left-hand drive axle:
• The type designation is stated above the
barcode and starts with the letter “K”.
• The serial number is stated above the barcode
and has the prefix “s/n”.
• The manufacturer’s type number is stated
under the barcode and has the prefix “p/n”.
State the type designation and serial number
when ordering spare parts.

18 – English
Design and function
Engine
These Husqvarna Riders have single-cylinder, air-
cooled engines from Briggs & Stratton.
More intricate engine repairs are not described in
this workshop handbook, these can instead be
read in Briggs & Stratton's own handbooks which
contain detailed information about adjusting and
repairing the engines. The handbooks can be
ordered from an authorized service workshop.
The order numbers for the respective Rider
models are found in the table below. Please state
these when ordering manuals:
Model B & S model no.
Rider 11 215907011E1
Rider 11 C 219907011E1
Rider 13 C 219907011E1
Rider 15 C 282H070110E1
Rider 16 282H070110
It is important that only original spare parts are
used when repairing the engines. If other parts
are used, the guarantee shall no longer be valid.