Husqvarna 111750 / HCS1372 Product manual

Operators Manual 111750 / HCS1372
Models:
Please read these instructions carefully and make
sure you understand them before using the machine.
MANUAL NO. 539111758 REV 01 (03/31/05)
Parts Manual
Collection System

2
©2005 Husqvarna. All Rights Reserved.
Beatrice, NE. Printed in U.S.A.

3
Operators Guide
Features and Controls.............................................................. 4
General Information ................................................................. 5
Safety Procedures.................................................................... 5
Unpacking Instructions............................................................. 7
Assembly Instructions .............................................................. 7
Collection System.............................................................. 7
Blower/Drive Kit ............................................................... 11
Operating the Collection System........................................ 12
Maintenance and Service Instructions
Transport ................................................................................ 13
Cleaning and Washing ........................................................... 13
Storage................................................................................... 13
Preventative Maintenance Schedule...................................... 13
Caring for Vacuum Hoses ...................................................... 14
Cleaning Poly Mesh ............................................................... 14
Caring for Bags ...................................................................... 14
Troubleshooting Guide ........................................................... 15
Replacement Parts
HoodAssembly ...................................................................... 18
HitchAssembly....................................................................... 19
BlowerAssembly.................................................................... 20
Weight Kit............................................................................... 22
Mounting Kit ........................................................................... 23
BagAssembly ........................................................................ 24
Drive Kit.................................................................................. 25
Parts Description.................................................................... 26
WARNING: Engine exhaust, some of its constituents, and certain vehicle components con-
tain or emit chemicals known to the State of California to cause cancer and birth defects or
other reproductive harm.
INDEX

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NOTE: Your Front Weight Bar may look different from those shown in this diagram.
FEATURES & CONTROLS
BLOWER ASSEMBLY
HOSE
BAG REAR GUARD
CAST WEIGHT
WEIGHT BAR
DRIVE KIT
LATCH
SUPPORT BRACKET
SUPPORT LINKAGE
HITCH
INLET
HOOD
HITCH BRACKET

5
SAFETY RULES
Safety Procedures
1 - Training:
• Read the Operator’s manual. If the operator(s)
or mechanic(s) can not read English it is the
owner’s responsibility to explain this material to
them.
• Become familiar with the safe operation of the
equipment, operator’s controls, and safety
signs.
• All operators and mechanics should be trained.
The owner is responsible for training the users.
• Never let children or untrained people operate
orservicetheequipment.Local regulations may
restrict the age of the operator.
• The owner/user can prevent and is responsible
foraccidentsor injuriesoccurringtothemselves,
other people, and/or property.
2 - Preparation:
• Wear appropriate clothing including hard hat,
safety glasses and ear protection. Long hair,
loose clothing or jewelry may get tangled in
moving parts.
• Inspect the area where the equipment is to be
usedandremoveallobjectssuchasrocks, toys
and wire which can be thrown by the machine.
• Use extra care when handling gasoline and
other fuels. They are flammable and vapors
areexplosive. Useonlyanapprovedcontainer.
Never remove gas cap or add fuel with engine
running. Allow engine to cool before refueling.
Do not smoke while fueling or operating
equipment. Never refuel or drain the machine
indoors.
• Checkthatoperator’scontrols,safetyswitches,
hoses, and shields are securely attached and
functioning properly. Do not operate unless
they are functioning properly.
General Information
This manual will assist you in the safe operation
and proper maintenance of your Husqvarna
equipment. Read it thoroughly before attempting
to operate the machine. Call your dealer or
Husqvarna if additional information is required.
Thefollowingsafety symbols are used throughout
themanualtoalertyou toinformationaboutunsafe
actions or situations:
DANGER indicates immediate hazards that
may result in severe injury or death.
WARNING indicates unsafe actions or
situations that may cause severe injury,
death, and/or major equipment or property
damage.
CAUTION indicates unsafe actions or
situations that may cause injury and/or
minor equipment or property damage.
Thisequipmentshouldnotbemodifiedwithoutthe
manufacturer’s prior written authorization. Doing
so may not only affect the equipments’
performance and durability, but also create safety
hazards for the operator and the surroundings.
Warranty will be void if changes are made to the
equipmentwithoutthemanufacturer’spriorwritten
authorization.

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SAFETY RULES
3 - Operation
•Never run an engine in an enclosed area.
• Only operate in good light, keeping away from
holes and hidden hazards.
• Slow down and use extra care on hillsides.
Make turns gradually and at slow speed. Do
notoperateacrossthesidesofslopes. Operate
up and down slopes only. Do not operate on
steep slopes.
• Turfconditionscanaffect the machine’sstability.
Donotoperateonwetgrasswheretractionmay
be reduced.
• Do not change the engine governor setting or
overspeed the engine.
• Stop equipment and inspect vacuum impeller
andhosesafterstrikingobjectsor ifanabnormal
vibrationoccurs. Makenecessaryrepairsbefore
resuming operations.
• Look behind and down before backing up to
ensure a clear path.
• Slow down and use caution when making turns
andcrossingroads andsidewalks. Stopvacuum
and mower blades if not mowing.
•Do not operate machine under the influence of
alcohol or drugs.
•Usecarewhenloadingorunloadingthemachine
into a trailer or truck.
•Use care when approaching blind corners,
shrubs,trees,orotherobjectsthatmayobscure
vision.
4 - Maintenance and Storage:
•Stop engine and disconnect spark plug wire.
Wait for all movement to stop before adjusting,
cleaning, or repairing.
•Cleangrassanddebrisfrommufflerandengine
to help prevent fires. Clean up oil or fuel
spillage.
•Let engine cool before storing and do not store
near sparks or open flame.
•Shut off fuel while storing. Do not store fuel
near flames or drain indoors.
•Never allow untrained personnel to service
machine.
•Keep hands and feet away from moving parts.
If possible, do not make adjustments with the
engine running.
•Keep all parts in good working condition and all
hardware tightened. Replace all worn or
damaged decals.

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ASSEMBLY
Unpacking Instructions
Assembly Instructions
Collection System
Tools Required:
Ratchet
Torque Wrench
1/2" Wrench
1/2" Socket
9/16" Wrench
1. Cut plastic tie securing the hitch to the crate top.
2. Remove the top of the crate.
3. Remove the plastic bag.
4. Remove the hose.
5. Remove the sides and ends of the crate.
6. Remove the mounting kit and drive kit boxs from the corner of the crate.
7. Cut the two plastic ties that secure the hitch assembly to the pallet. Remove the hitch assembly.
8. Cut the two plastic ties that secure the back of the hood, and the two that secure the front of the
hood. Remove the hood assembly.
9. Cut and two plastic ties that secure the weight bar to the pallet. Remove the weight bar.
10. Cutthetwoplasticties that securetheblowerassemblytothepallet. Removetheblowerassembly.
11. Remove the 1 x 4 that secures the cast weights to the pallet. Remove the weights.
9/16" Socket
5/8" Socket
(2) 3/4" Wrench
3/4" Socket
Flat Screw Driver
1. Open the mounting kit box and remove all of
the components.
2. Place the support bracket on the frame and
secure with (2) 990563, 3/8 x 1 bolts and (2)
976979, 3/8 nyloc nuts. Figure 1.
3. Place the hitch brackets on the frame and
secure with (3) 990622, 1/2 x 1 1/4 bolts and
(3) 101331, 1/2 nyloc nuts. Figure 1.
FIGURE 1
1. SUPPORT BRACKET
2. HITCH BRACKET
1
2

8
ASSEMBLY
4. Remove the (10) 5/16 carriage bolts that
secure the standard rear guard to the straps
and skid plates. Remove the standard rear
guard. Replace with the collection rear
guard,andsecurewiththe carriageboltsthat
were just removed. Figure 2.
FIGURE 2
1. REAR GUARD
2. STRAP
FIGURE 3
1. HITCH ASSEMBLY
2. LANYARD
3. HITCH PIN
4. LATCH
5. Place the hitch assembly on the ground
behind the mower. Place the (2) hitch pins
thruthehitchandthehitchbrackets. Secure
the hitch pins with the (2) hairpins that are
secured with the (2) lanyards. Figure 3.
6. Move to the rear of the hitch assembly and
pick it up towards the rear guard. The latch
will hook over the top of the rear guard.
Figure 3.
12
2
2
1
1
3
3
4

9
ASSEMBLY
7. Place the hood assembly on to the hitch
assembly. Place both hood hinges between
theupperhitchmountsonthehitchassembly.
Be sure that the rubber seal is on the inside
of the hood. Place the (2) friction washers
between the hood hinge and the upper hitch
mount. Place(2)990563,3/8x1bolt thru the
hinge and mount. Secure with (2) 976979,
3/8 nyloc nut. Figure 4.
FIGURE 4
1. HOOD ASSEMBLY
2. HOOD HINGE
3. 3/8 X 1 BOLT
4. SPRING
5. RUBBER SEAL
6. 3/8 NYLOC NUT
7. UPPER HITCH MOUNT
8. HITCH PIN
8. Open the hood and secure the (2) springs
to the bolts on the hood assembly and the
hitch assembly. Figure 4.
2
1
3
4
5
6
7
8

10
ASSEMBLY
9. With the hood open, secure the (3) bags in
place. The back of the bags will hook over
the mounting tabs on the hitch assembly.
Figure 5.
10. Close thehood,andlatchthedraw latchover
thedrawlatchkeeperonthehitchassembly.
Figure 5.
12. Secure the front of the linkage assemblies
using the hairpin secured by the lanyard.
Secure the rear of the linkages using the (2)
990654, cotter pins provided. Figure 6.
13. Place the hose on the inlet and secure with
the hose clamp.
NOTE: The linkage assemblies may need to be
adjusted.Using(2) 3/4" wrenches, loosen the 1/2"
jam nut on the longer linkage. Turn the turnbuckle
in the appropriate direction to shorten the linkage
assembly. Turn until the slop is taken out of the
linkages. Tighten the jam nut against the
turnbuckle.
11. Install the (2) linkage assemblies to the (2)
support brackets on hitch assembly and the
(2) support brackets on the frame. The
shorter linkage connects to the support
bracket on the hitch assembly. Figure 6.
FIGURE 5
1. HOOD ASSEMBLY
2. DRAW LATCH
3. MOUNT TABS
4. DRAW LATCH KEEPER
5. BAG
FIGURE 6
1. SUPPORT BRACKET
2. TURNBUCKLE
3. LINKAGE ASSEMBLY
4. LANYARD
5. SUPPORT BRACKET
6. HITCH BRACKET
2
1
3
4
5
2
1
34
5
6

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ASSEMBLY
Blower/Drive Kit
1. Open the drive kit box and remove all of
the components.
2. Place the deck in the lowest cutting
height.
3. Remove the right side belt shield from the
deck.
4. Remove the deck belt from the right side
pulley.
5. Remove the deck pulley.
Note: When the deck pulley is removed, the
spindle can fall out of the cutter housing
assembly. Be sure to secure the bottom
of the spindle so that this does not
happen.
6. Place the double pulley on the cutter
housing assembly.
7. Place the heavy washer, and 7/16 lock
washer on the 108951,7/16 x 2 1/2 bolt and
install in the spindle. Torque to 45 ft/lbs.
8. Remove the discharge chute from the deck.
Verify that the belt is on the pulley in the
blower.
9. Place the deck plate pin in the tube on the
back edge of the deck. Rotate the blower
around and into place. Figure 1.
10. Install the pin thru the tabs on both the deck
and the blower. Figure 1.
11. Latch the idler arm in the idler keeper.
Figure 1.
12. Install the belt on the deck pulley and
release the idler arm from the keeper.
13. Install the new belt shield.
14. Place the hose on the blower housing and
secure with the over center hose clamp.
1. DECK PLATE PIN
2. TUBE
3. ROTATE
4. IDLER ARM
5. IDLER KEEPER
FIGURE 1
2
1
3
4
5

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Operating the Collection System
1. NEVER USE THE COLLECTION SYSTEM
WITHOUT THE BLOWER ASSEMBLY
AND HOSES SECURELYATTACHED.
2. Make sure hoses are connected at both
ends. Inspect hoses prior to each use.
3. Do not use the unit on slopes greater than
10 degrees.
4. The mower must be running in order to
vacuum debris through the mower deck.
5. In heavy grass it may be necessary to mow
and collect at a slower ground speed.
6. Never attempt to unclog the collection sys-
tem until the mower’s engine engine has
beenshutoffandallmovingpartshavecome
to a complete stop.
7. Do not stand behind the vent at the rear of
the collection system due to the potential for
small pieces of blowing debris to escape
through the vent.
8. Wear eye and ear protection.
OPERATION

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Preventative Maintenance Schedule
Item Before Every Every Every
Each Use 5 Hours 25 Hours 50 Hours
Inspect/Clean Poly Mesh X X
Check/Tighten Nuts & Bolts X
Check/Tighten Hoses X
Turn Hose End to End X
Rotate Hose X
Clean Machine X
Inspect Bags X
SERVICE AND MAINTENANCE
WARNING
The collection system bags must be com-
pletely empty or removed while driving for-
ward onto a trailer. If the mower must be
loaded onto a trailer while there is still de-
bris in the container, the mower must be
backed up onto the trailer to avoid tipping.
Cleaning and Washing
Regular cleaning, washing, and lubricating will
prolong the service of the machine.
NOTE: Use care with power washers to avoid
damage to decals. Limit direct spray on these
items.
DONOTEXCEED1000PSIWATER PRESSURE
FOR CLEANING.
Transport
Storage
1. Clean machine.
2. Cover all scratches with touch-up paint.
3. Covered or indoor storage is recommended.
Forbestresults,cleanpolymeshinside hoodregu-
larly. Instructions for doing this can be found in
the Service section of this manual.

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Caring For Hoses
1. Inspect hoses before each use. If hoses have
excessive wear, tears, or punctures, replace
immediately.
2. To prolong the life of the hose, periodically ro-
tate hose and turn hose end to end. Refer to
Preventative Maintenance Schedule in this
manual.
3. Avoid twists and sharp turns in the hoses, as
they will increase wear on the hoses.
4. Avoiddraggingthelowerhosealongthesides
of buildings or other hard surfaces.
SERVICE AND MAINTENANCE
Cleaning Poly Mesh
The poly mesh on the collection system is located
inside the container hood. For best results, clean
poly mesh regularly.
Cleaning Instructions
1. Shut off engine.
2. Release the two (2) rubber latches under the
rear of the hood. Open hood and brush debris
off of both sides.
3. Close hood and re-latch.
DO NOT USE THE COLLECTION SYSTEM
WITHOUT POLY MESH SECURELY IN PLACE.
Caring For Bags
Inspect the bags before each use. If bags have
excessive wear, tears or punctures, replace im-
mediately.
Cleaning Instructions
NOTE: Under normal usage the bag material is
subject to deterioration and wear.

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PROBLEM POSSIBLE CAUSE CORRECTION
Loss of Vacuum. 1. Blower, hose or hood inlet clogged. 1. Remove hose and clean inlet.
2. Bags full. 2. Inspect and empty.
3. Fan blades bent or broken. 3. Replace/repair impeller.
4. Poly mesh plugged. 4. Clean poly mesh.
Unusual vibration 1. Solid object jammed in unit. 1. Check and remove any
or noise. obstruction.
2. Loose or missing bolts on unit. 2. Tighten or replace bolts.
3. Bent or damaged fan. 3. Replace/repair impleller.
Unit difficult to close. 1. Obstructions keeping door from 1. Clear obstructions.
completely closing.
2. Hood hinge bolts too tight. 2. Loosen bolts.
SERVICE AND MAINTENANCE
Troubleshooting Guide
DANGER
Before servicing unit, wait for all moving parts
to come to a complete stop. Turn engine off
and remove the spark plug wire.

16
NOTE: Your Front Weight Bar may look different from those shown in this diagram.
SPINDLE DRIVE ASSEMBLY

17
PARTS ILLUSTRATIONS

18
HOOD ASSEMBLY
539 97 69-79 (x 8)
539 11 11-77 (x 2)
539 99 06-13 (x 2)
539 99 07-30 (x 2)
539 20 06-84 (x 30)
539 99 05-98 (x 16)
539 97 69-78 (x 8)
539 20 06-84 (x 30)
539 20 06-84 (x 30)
539 20 06-84 (x 30)
539 99 05-98 (x 16)
539 99 10-03 (x 8)
539 11 11-82
539 11 13-39
539 11 17-55
539 11 11-83
539 10 27-44 (x 11)
539 10 54-08 (x 12)
539 10 27-44 (x 11)
539 11 11-74
539 11 11-86 (x 6)
539 97 69-77 (x 6)
539 20 04-78 (x 2)
539 11 11-86 (x 6)
539 11 12-60
539 11 11-72
539 11 00-33 (x 8)
539 11 11-81 (x 2)
539 99 06-45 (x 6)
539 11 11-75 (x 2)

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HITCH ASSEMBLY
539 11 11-58 (x 2)
539 11 11-87 (x 4)
539 99 05-80 (x 3)
539 99 02-54 (x 4)
539 99 06-25 (x 4)
539 11 11-67
539 11 11-71
539 97 69-78 (x 3)
539 97 69-79 (x 22)
539 10 13-31 (x 2)
539 11 11-90
539 97 72-50 (x 2)
539 99 05-63 (x 20)
539 97 69-79 (x 22)
539 11 11-55
539 99 06-13 (x 2)
539 99 06-55 (x 2)
539 10 83-69 (x 2)
539 97 69-79 (x 22)
539 99 05-63 (x 20)
539 11 12-67 (x 2)
539 11 11-57
539 97 69-79 (x 22)
539 97 69-79 (x 22)
539 99 05-63 (x 20)
539 11 11-62 (x 2)
539 99 05-63 (x 20)

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BLOWER ASSEMBLY
LOCKING COLLAR
THIS SIDE UP
THIS SIDE DOWN
HUB DOWN
539 10 25-35
539 99 07-17 (x 12)
539 99 01-96 (x 3)
539 10 67-86 (x 2)
539 11 13-31
539 10 67-41
539 10 81-20 (x 12)
539 99 00-74 (x 10)
539 10 04-72 (x 3)
539 11 13-32
539 88 03-16 (x 7)
539 11 12-27
539 10 26-91 (x 5)
539 10 26-91 (x 5)
539 10 67-86 (x 2)
539 11 12-29 (x 3)
539 11 17-47
539 11 12-25
539 99 07-17 (x 12)
539 10 20-67
539 11 08-13
539 10 22-44 (x 3)
539 10 67-13
539 10 65-04
539 99 02-47
539 10 01-41
539 99 05-98 (x 12)
539 11 12-29 (x 3)
539 11 17-46
539 99 05-98 (x 12)
539 10 81-20 (x 12)
539 11 13-40
539 10 27-44 (x 6)
539 99 05-98 (x 12)
539 10 81-20 (x 12)
539 11 11-84
539 99 07-17 (x 12)
539 97 69-79 (x 4)
539 99 05-85
539 10 17-21
539 99 06-92 (x 2)
539 91 61-59
539 99 05-46
539 99 05-17
539 20 02-82
539 99 01-22
539 10 67-21
539 10 04-13
539 11 12-18
539 99 07-17 (x 12)
539 11 12-65
539 99 06-92 (x 2)
539 99 07-17 (x 12)
539 99 07-17 (x 12)
539 10 57-85
539 99 02-08539 10 57-43
539 10 26-91 (x 5)
539 88 03-16 (x 7)