Husqvarna Gear Drive User manual

MANUALNO.539105471REV.01(03/14/02)
Adjustments manual for:
GearDrive, ETSGearDrive,Walk Hydro, ETS Walk Hydro, Mini Rider, Large Rider Gen 2

2
MODELS /I.D. :968999101 /W3212A
968999107 /W3213A
968999102 /W3612A
968999108 /W3613A
968999103 /W3614A
968999104 /W4814A
968999110 /W4815A
Adjustment Instructions for:
Gear Drive Intermediate Walk Behind

3
ADJUSTMENTSFORADJUSTMENTSFOR
ADJUSTMENTSFORADJUSTMENTSFOR
ADJUSTMENTSFOR
HUSQVARNA32",36"AND48"COMMERCIALMOWERSHUSQVARNA32",36"AND48"COMMERCIALMOWERS
HUSQVARNA32",36"AND48"COMMERCIALMOWERSHUSQVARNA32",36"AND48"COMMERCIALMOWERS
HUSQVARNA32",36"AND48"COMMERCIALMOWERS
AXLEHEIGHTADJUSTMENTAXLEHEIGHTADJUSTMENT
AXLEHEIGHTADJUSTMENTAXLEHEIGHTADJUSTMENT
AXLEHEIGHTADJUSTMENT
1. To adjust rear axle, stop engine and place drive levers
in the neutral lock position, remove spark plug wire.
2. Remove lower belt shield from underside of rear deck
for better access to axle adjustment bolts.
3. Loosen axle pivot bolts and axle adjustment bolts.
See figure # 1.
4. Place a jack under center of rear deck raise the jack
slightly so axle adjustment bolts may be removed.
5. With the jack raise or lower the rear deck to the desired
position using the chart to ensure proper height. Reinstall
the axle adjustment bolts and tighten.
A tapered punch may be used to help align the holes.
See figure #1.
NOTE:
It may be necessary to readjust drive and brake linkages.
NOTE:
To achieve the best quality cut, the blades should be
level with the ground or slightly tipped forward
BRAKE/TRACTIONADJUSMENTBRAKE/TRACTIONADJUSMENT
BRAKE/TRACTIONADJUSMENTBRAKE/TRACTIONADJUSMENT
BRAKE/TRACTIONADJUSMENT
1. Disconnect the brake linkage from the brake band
arm.
2. With the mower in gear, place the traction levers in the
drive position. Firmly pull back on the handles until the
tires slide to seat the wheel drive belts into the pulleys.
3. Measure the clearance between the bottom of the
traction lever rod and the bottom of the thumb latch slot.
It should be between 3/16" to 1/4", but not exceeding 1/
4". See Figure # 3
HANDLE
TRACTION LEVER
THUMB LATCH
3/16" to 1/4" CLEARANCE
O.P. LEVER
Figure 3
OPERATORPRESENCESWITCHADJUSTMENTOPERATORPRESENCESWITCHADJUSTMENT
OPERATORPRESENCESWITCHADJUSTMENTOPERATORPRESENCESWITCHADJUSTMENT
OPERATORPRESENCESWITCHADJUSTMENT
The operator presence switches can be adjusted by
loosening the screws on the side of the O.P. lever
linkage and sliding the switch up or down. The O.P.
switch should have a 1/32" to 1/16" gap between the
plunger and the bottom side of the control panel when
operator presence levers are released.
BLADESWITCHADJUSTMENTBLADESWITCHADJUSTMENT
BLADESWITCHADJUSTMENTBLADESWITCHADJUSTMENT
BLADESWITCHADJUSTMENT
The blade engagement switch can be adjusted by
loosening the screws on the flange under the control
panel and moving the switch in or out. The blade switch
should be adjusted so the plunger is fully depressed
when the engagement lever is fully disengaged.
ADJUSTMENTS-DRIVEBELTSADJUSTMENTS-DRIVEBELTS
ADJUSTMENTS-DRIVEBELTSADJUSTMENTS-DRIVEBELTS
ADJUSTMENTS-DRIVEBELTS
For all drive belts, tension should be set so that belt
vibration is minimized or eliminated when belts are
moving during normal operation. A properly tensioned
belt should have 1/4" to 3/8" deflection at the center of
belt span between pulleys when blades are engaged.
Blade drive belt tension is preset at the factory.
NOTE:NOTE:
NOTE:NOTE:
NOTE:
DO NOT over tighten belt. Excessive tension will
decrease belt and spindle bearing life.
4. If the clearance is less than 3/16", disconnect the
traction rod from the traction lever by removing the
hairpin cotter.
5. Adjust the traction rod to the proper clearance by
screwing it out of the swivel if clearance is less than 3 /
16".
NOTE:NOTE:
NOTE:NOTE:
NOTE:
More or less brake pressure may be desired depending
on the operator or conditions of operation. To increase
pressure tighten the wing nut on the brake linkage.

4
AXLE ADJUSTMENT BOLTS
POSITION
A
POSITION
B
POSITION
C
POSITION
D
AXLE PIVOT BOLTS
PLACE JACK HERE
Figure 1
REARAXLEHEIGHTADJUSTMENTREARAXLEHEIGHTADJUSTMENT
REARAXLEHEIGHTADJUSTMENTREARAXLEHEIGHTADJUSTMENT
REARAXLEHEIGHTADJUSTMENT
CASTER
SWIVEL
1/2" SPACERS
MACHINERY BUSHING
CASTERHEIGHTADJUSTMENTCASTERHEIGHTADJUSTMENT
CASTERHEIGHTADJUSTMENTCASTERHEIGHTADJUSTMENT
CASTERHEIGHTADJUSTMENT
Figure 2
LOOSEN BOLTS EACH SIDE

5
BLADEDRIVEBELTADJUSTMENTSBLADEDRIVEBELTADJUSTMENTS
BLADEDRIVEBELTADJUSTMENTSBLADEDRIVEBELTADJUSTMENTS
BLADEDRIVEBELTADJUSTMENTS
WARNINGWARNING
WARNINGWARNING
WARNING
BEFOREPERFORMINGADJUSTMENTSONBEFOREPERFORMINGADJUSTMENTSON
BEFOREPERFORMINGADJUSTMENTSONBEFOREPERFORMINGADJUSTMENTSON
BEFOREPERFORMINGADJUSTMENTSON
BLADEBELT,TURNMOWEROFF,CLOSEFUELBLADEBELT,TURNMOWEROFF,CLOSEFUEL
BLADEBELT,TURNMOWEROFF,CLOSEFUELBLADEBELT,TURNMOWEROFF,CLOSEFUEL
BLADEBELT,TURNMOWEROFF,CLOSEFUEL
VALVE,ANDDISCONNECTSPARKPLUGWIRE.VALVE,ANDDISCONNECTSPARKPLUGWIRE.
VALVE,ANDDISCONNECTSPARKPLUGWIRE.VALVE,ANDDISCONNECTSPARKPLUGWIRE.
VALVE,ANDDISCONNECTSPARKPLUGWIRE.
1. Remove front deck belt shield.
2. Loosen whiz nut on turnbuckle.
3. Set belt tension when engagement lever is in the
engaged position.
4. To increase belt tension rotate turnbuckle toward the
rear of the mower until desired tension is gained. Do not
over tighten belts, to much tension will reduce belt and
spindle bearing life. See figure # 6
5. Tighten whiz nut on turnbuckle and install belt shield.
AUXILIARYBLADEDRIVEBELTAUXILIARYBLADEDRIVEBELT
AUXILIARYBLADEDRIVEBELTAUXILIARYBLADEDRIVEBELT
AUXILIARYBLADEDRIVEBELT
(48"MODELSONLY)(48"MODELSONLY)
(48"MODELSONLY)(48"MODELSONLY)
(48"MODELSONLY)
To adjust tension of the auxiliary belt rotate nut on
linkage that is attached to deck strap located on the right
side of cutter deck.
Figure 6
AUXILARY BELT ADJUSTMENT
ROD
IDLER PIVOT POINT
TURNBUCKLE
ENGAGEMENT IDLER
ASSEMBLY
1/4"
5
4

6
SETUPANDADJUSTMENTSFORSETUPANDADJUSTMENTSFOR
SETUPANDADJUSTMENTSFORSETUPANDADJUSTMENTSFOR
SETUPANDADJUSTMENTSFOR
HUSQVARNA32",36"AND48"COMMERCIALMOWERSHUSQVARNA32",36"AND48"COMMERCIALMOWERS
HUSQVARNA32",36"AND48"COMMERCIALMOWERSHUSQVARNA32",36"AND48"COMMERCIALMOWERS
HUSQVARNA32",36"AND48"COMMERCIALMOWERS
BLADEENGAGEMENTLEVERBLADEENGAGEMENTLEVER
BLADEENGAGEMENTLEVERBLADEENGAGEMENTLEVER
BLADEENGAGEMENTLEVER
The blade engagement lever needs to be adjusted so
the lever does not come in contact with control panel
when the lever is in the off position.
To adjust, remove the clevis pin from the yoke and
adjust by turning the yoke. The clevis pin connects the
blade engagement lever to the yoke, and the yoke is
connected to the blade engagement rod that runs to the
bellcrank on the rear deck.
TRANSMISSIONDRIVEBELTTRANSMISSIONDRIVEBELT
TRANSMISSIONDRIVEBELTTRANSMISSIONDRIVEBELT
TRANSMISSIONDRIVEBELT
To increase the tension of the transmission belt, loosen
the nut on the underside of the transmission idler pulley
located under the rear deck, slide the idler assembly
inward to increase tension and tighten the nut to secure.
See figures 4 & 5.
BELTGUIDESBELTGUIDES
BELTGUIDESBELTGUIDES
BELTGUIDES
Belt guides under rear deck are adjusted as shown in
figures 4 and 5
NOTE: The blades should come to a stop fromNOTE: The blades should come to a stop from
NOTE: The blades should come to a stop fromNOTE: The blades should come to a stop from
NOTE: The blades should come to a stop from
maximum speed within 7 seconds aftermaximum speed within 7 seconds after
maximum speed within 7 seconds aftermaximum speed within 7 seconds after
maximum speed within 7 seconds after
disengaging.disengaging.
disengaging.disengaging.
disengaging.
TRANSMISSION IDLER PULLEY
32"&36"MODEL32"&36"MODEL
32"&36"MODEL32"&36"MODEL
32"&36"MODEL 48"MODEL48"MODEL
48"MODEL48"MODEL
48"MODEL
Figure 4 Figure 5
TRANSMISSION IDLER PULLEY
TRANSMISSION BELT
1/4" CLEARANCE
1/2"
ENGINE PULLEY
1/8" CLEARANCE
1/8" CLEARANCE
TRANSMISSION BELT
1/8" CLEARANCE
1/2"
ENGINE PULLEY
102036
103463
103462 102036 103462
103462

7
SETUPANDADJUSTMENTSFORSETUPANDADJUSTMENTSFOR
SETUPANDADJUSTMENTSFORSETUPANDADJUSTMENTSFOR
SETUPANDADJUSTMENTSFOR
HUSQVARNA 32",36"AND48"COMMERCIALMOWERSHUSQVARNA 32",36"AND48"COMMERCIALMOWERS
HUSQVARNA 32",36"AND48"COMMERCIALMOWERSHUSQVARNA 32",36"AND48"COMMERCIALMOWERS
HUSQVARNA 32",36"AND48"COMMERCIALMOWERS
CUTTINGHEIGHTADJUSTMENTCHARTCUTTINGHEIGHTADJUSTMENTCHART
CUTTINGHEIGHTADJUSTMENTCHARTCUTTINGHEIGHTADJUSTMENTCHART
CUTTINGHEIGHTADJUSTMENTCHART
AXLE
POSITION
NUMBER OF
SPACERS BELOW
CASTER ARM
NUMBER OF 1/4" BLADE SPACERS
UNDER CUTTER HOUSING
CUTTING HEIGHT
(IN INCHES)
1 1/2
1 3/4
2
2 1/4
2 1/2
1 3/4
2
2 1/4
2 1/2
2 3/4
2 1/2
2 3/4
3
3 1/4
3 1/2
3
3 1/4
3 1/2
3 3/4
4
3 1/4
3 1/2
3 3/4
4
4 1/4
3 1/2
3 3/4
4
4 1/4
4 1/2
3 3/4
4
4 1/4
4 1/2
4 3/4
4
4 1/4
4 1/2
4 3/4
5
4
3
2
1
0
4
3
2
1
0
4
3
2
1
0
4
3
2
1
0
4
3
2
1
0
4
3
2
1
0
4
3
2
1
0
4
3
2
1
0
1. To quickly achieve small changes in cutting heights,
move the spacers from under the cutter housing to
above the cutter pulley. (Each spacer moved will give an
additional 1/4" of cutting height ).
0
1
2
3
5
3
4
4
B
A
D
C
USE ONLY 4 BLADE SPACERS MAXIMUM

8
Models:
968999117 / W3613ETS
968999120 / W4815ETS
ETS Gear Drive Intermediate Walk Behind

9
MAINTENANCE
1.Keepallnuts,bolts,andscrewstight to
keepmower in safe operating condition.
2.Neverstorethemowerwithgas in the tank
insideabuildingwherefumescanreachan
openflame or spark. Allowengine to cool
beforestoringinanenclosure.
3.Toreducefirehazard,keepmowerfreeof
grass,leaves,orexcessivegrease.
4.Checkgrasscatcher assembly frequently
for wear or deterioration. Replace bag if
looseseams or tears are evident.
5.Haveyourmowerinspectedandserviced
eachyearbyanauthorizedHUSQVARNA
dealer. Determine if any additional devices
areavailablewhichmightupgradethe safety
ofyourmower.
6.UseonlyauthenticHUSQVARNA re-
placementpartstoinsurethe safety and
qualityofyourmoweris maintained.
7.Safetydecalsshouldbereplacedif they
are missing or illegible. Decals may be
purchasedfromyourHUSQVARNA dealer.
FRONT CASTER WHEELS
1.Mountfrontcaster wheel assemblies.
Installationincludesfasteningcasterstofront
ofthecutterdeckusing3/8x1"hexhead
capscrews.
FUEL TANK
1. Place fuel tank on tank support, making sure
to get the studs through the slots on the top of
the tank support. Place the 5/16” flat washer,
spring, the other 5/16 flat washer and the 5/16”
nut on the stud. Snug 5/16” nut, but do not over
tighten.
HANDLE ASSEMBLY
1.Align theuppermountingholesinhandle
withtheupperhole in thetanksupport.
2.Installtwo3/8" x1"screwsthrough
matchedholesandloosely install3/8"nuts.
3.Alignthelowerholesandinstallhardware
asabove,tightenupperandlower hardware.
Setup & Adjustments
LINKAGE INSTALLATION
1. Install drive linkage into the hole in the idler
arm on the inside of the tank support. The drive
linkages are fastened to the drive levers on the
handle assembly. Secure the drive linkages to
the idler arm by inserting a retaining ring
through the small hole in the end of the drive
linkage.
2.Installshiftertotransmission with 1/4" x1"
screws.
Theshifterislocatedintheinner box and
hardwareispre-assembledintothebracket
onthetransmission.
3.Installbladecontrol rod intothebellcrank
ontheleftsideofthetank support. Secure
rodwithringtyperetainer.
4.Refertothesectionofthis manual on
adjustmentsfortheproper adjustmentofthe
linkagesyouareinstalling.Thelinkages were
setatthefactorybutmustbecheckedbefore
operatingmowertoinsureoftheproper
setting.Alwayscheck100%oftheadjust-
mentsbeforeyouoperatethe mower.
5.Connectthetwohalves ofthewiringhar-
nesstogether.Thefourprongconnectors
havealockingtabthat shows whichwayto
linethemupand guaranteesthattheyare
connectedproperlywhenthe locksnaps.
6.Installthechutedeflector tothesideofthe
mowerdeck.Boltitintoplaceusingthetwo
5/16"x1"screwsandnutspre-assembled
intothemountingtabs on thedeck.Tighten
thescrewsvery securelywiththechute
completelycoveringthedischargeopening
and tight against the side of deck.
THROTTLE INSTALLATION
1.Connectthethrottlecable end tothe
throttlemechanismonengine,leavingthe
cableclamploose. Pushthrottlelever on
consolecompletelyforward. Thenpullthe
cablethroughtheclampon engine and
tightenthecableclamp. Move the throttle
leverbackandforthtoensure proper installa-
tion.

10
Setup & Adjustments
GAS LINE INSTALLATION
1. The gas line is factory installed on the engine.
Attach loose end to fuel tank hose barb and
secure with hose clamp.
POSITIONING FRONT CASTER SPACERS
1. Using the cutting height chart, find the correct
number of spacers to be placed under the
caster swivel.
2. Remove the lynch pin and washer from the
top of caster and reposition spacers to the
desired cutting height from the chart. See figure
# 2
AXLE HEIGHT ADJUSTMENT
1. To adjust rear axle, stop engine and place
drive levers in the neutral lock position, remove
spark plug wire.
2. Remove lower belt shield from underside of
rear deck for better access to axle adjustment
bolts.
3. Loosen axle pivot bolts and axle adjustment
bolts.
See figure # 1.
4. Place a jack under center of rear deck raise
the jack slightly so axle adjustment bolts may be
removed.
5. With the jack raise or lower the rear deck to
the desired position using the chart to ensure
proper height. Reinstall the axle adjustment
bolts and tighten.
A tapered punch may be used to help align the
holes. See figure #1.
NOTE:
It may be necessary to readjust drive and brake
linkages.
NOTE:
To achieve the best quality cut, the blades
should be level with the ground or slightly tipped
forward
BRAKE ROD ADJUSTMENT
1. Make sure the rod is installed into the proper
hole in the brake arm. The brake rod should be
in bottom hole on the brake arm as shown
below. Never use the upper hole. The proper
adjustment can not be achived in this position.
2. To increase braking. Turn the wing nut down
on the brake rod. Do not turn the wingnut down
to far as this will result a constant braking action
and will excessively wear the brake band and
cause premature failure.
Wingnut
Brake Rod
Brake arm