Husqvarna 968999108 - W3613A, 968999103 - W3614A, 968999107 - W3213A, 968999102 - W3612A, 968999101 - W3212A User Manual
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Adjustments manual for:
Gear Drive, ETS Gear Drive, Walk Hydro, ETS Walk Hydro, Mini Rider, Large Rider Gen 2
MANUAL NO. 539105471 REV. 01(03/14/02)
Gear Drive Intermediate Walk Behind
Adjustment Instructions for:
MODELS / I.D. : 968999101 /
968999107 |
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968999102 |
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968999108 |
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968999103 |
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968999104 |
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968999110 |
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W3212A
W3213A
W3612A
W3613A
W3614A
W4814A
W4815A
2
ADJUSTMENTSFOR
HUSQVARNA32",36"AND48"COMMERCIALMOWERS
AXLEHEIGHTADJUSTMENT |
4. If the clearance is less than 3/16", disconnect the |
1. To adjust rear axle, stop engine and place drive levers |
traction rod from the traction lever by removing the |
in the neutral lock position, remove spark plug wire. |
hairpin cotter. |
2. Remove lower belt shield from underside of rear deck |
5. Adjust the traction rod to the proper clearance by |
for better access to axle adjustment bolts. |
screwing it out of the swivel if clearance is less than 3/ |
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16". |
3. Loosen axle pivot bolts and axle adjustment bolts. |
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See figure # 1. |
NOTE: |
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4. Place a jack under center of rear deck raise the jack |
More or less brake pressure may be desired depending |
slightly so axle adjustment bolts may be removed. |
on the operator or conditions of operation. To increase |
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pressure tighten the wing nut on the brake linkage. |
5.Withthe jack raiseor lower the rear deck tothedesired |
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positionusingthecharttoensureproperheight.Reinstall OPERATORPRESENCESWITCHADJUSTMENT |
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the axle adjustment bolts and tighten. |
The operator presence switches can be adjusted by |
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A tapered punch may be used to help align the holes. |
loosening the screws on the side of the O.P. lever |
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See figure #1. |
linkage and sliding the switch up or down. The O.P. |
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switch should have a 1/32" to 1/16" gap between the |
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NOTE: |
plunger and the bottom side of the control panel when |
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Itmaybenecessarytoreadjustdriveandbrakelinkages. |
operator presence levers are released. |
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NOTE: |
BLADESWITCHADJUSTMENT |
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To achieve the best quality cut, the blades should be |
The blade engagement switch can be adjusted by |
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level with the ground or slightly tipped forward |
loosening the screws on the flange under the control |
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panel and moving the switch in or out. The blade switch |
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BRAKE/TRACTIONADJUSMENT |
should be adjusted so the plunger is fully depressed |
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when the engagement lever is fully disengaged. |
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1. Disconnect the brake linkage from the brake band |
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arm. |
ADJUSTMENTS-DRIVEBELTS |
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2. With the mower in gear, place the traction levers in the |
For all drive belts, tension should be set so that belt |
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vibration is minimized or eliminated when belts are |
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drive position. Firmly pull back on the handles until the |
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moving during normal operation. A properly tensioned |
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tires slide to seat the wheel drive belts into the pulleys. |
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belt should have 1/4" to 3/8" deflection at the center of |
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3. Measure the clearance between the bottom of the |
belt span between pulleys when blades are engaged. |
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Blade drive belt tension is preset at the factory. |
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traction lever rod and the bottom of the thumb latch slot. |
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It should be between 3/16" to 1/4", but not exceeding 1/ |
NOTE: |
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4". See Figure # 3 |
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DO NOT over tighten belt. Excessive tension will |
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O.P. LEVER |
decrease belt and spindle bearing life. |
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THUMB LATCH |
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HANDLE |
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TRACTION LEVER |
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3/16" to 1/4" CLEARANCE |
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Figure 3 |
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3
REARAXLEHEIGHTADJUSTMENT
AXLE PIVOT BOLTS
AXLE ADJUSTMENT BOLTS
POSITION
A
PLACE JACK HERE
POSITION B
LOOSEN BOLTS EACH SIDE
POSITION
C
Figure 1
POSITION D
CASTERHEIGHTADJUSTMENT
MACHINERY BUSHING
1/2" SPACERS
CASTER
SWIVEL
Figure 2
4
BLADEDRIVEBELTADJUSTMENTS
WARNING
BEFOREPERFORMINGADJUSTMENTSON
BLADEBELT,TURNMOWEROFF,CLOSEFUEL
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.
AUXILIARYBLADEDRIVEBELT (48"MODELS ONLY)
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.
AUXILARY BELT ADJUSTMENT |
TURNBUCKLE |
ROD |
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4
1/4"
5
IDLER PIVOT POINT |
ENGAGEMENT IDLER |
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ASSEMBLY |
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Figure 6 |
5
SETUPANDADJUSTMENTSFOR
HUSQVARNA32",36"AND48"COMMERCIALMOWERS
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.
BELTGUIDES
Belt guides under rear deck are adjusted as shown in figures 4 and 5
NOTE: The blades should come to a stop from maximum speed within 7 seconds after disengaging.
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.
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32" & 36" MODEL |
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48"MODEL |
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1/4" CLEARANCE |
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1/2" |
102036 |
1/8" CLEARANCE |
1/2" |
102036 |
103462 |
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103462 |
TRANSMISSION BELT |
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TRANSMISSION BELT |
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ENGINE PULLEY |
ENGINE PULLEY |
103463 |
103462 |
1/8" CLEARANCE |
1/8" CLEARANCE |
TRANSMISSION IDLER PULLEY |
TRANSMISSION IDLER PULLEY |
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Figure 4 |
Figure 5 |
6
SETUPANDADJUSTMENTSFOR
HUSQVARNA 32",36"AND48"COMMERCIALMOWERS
CUTTINGHEIGHTADJUSTMENTCHART
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AXLE |
NUMBER OF |
NUMBER OF 1/4" BLADE SPACERS |
CUTTINGHEIGHT |
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POSITION |
SPACERS BELOW |
UNDERCUTTERHOUSING |
(IN INCHES) |
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CASTER ARM |
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4 |
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1 1/2 |
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0 |
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3 |
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1 3/4 |
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2 |
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2 |
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1 |
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2 1/4 |
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A |
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0 |
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2 1/2 |
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4 |
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1 3/4 |
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1 |
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3 |
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2 |
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2 |
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2 1/4 |
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1 |
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2 1/2 |
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0 |
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2 3/4 |
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4 |
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2 1/2 |
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2 |
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3 |
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2 3/4 |
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2 |
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3 |
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1 |
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3 1/4 |
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B |
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0 |
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3 1/2 |
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4 |
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3 |
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3 |
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3 1/4 |
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3 |
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2 |
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3 1/2 |
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1 |
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3 3/4 |
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0 |
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4 |
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4 |
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3 1/4 |
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3 |
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3 |
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3 1/2 |
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2 |
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3 3/4 |
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1 |
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4 |
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C |
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0 |
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4 1/4 |
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4 |
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3 1/2 |
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4 |
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3 |
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3 3/4 |
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4 |
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1 |
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4 1/4 |
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0 |
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4 1/2 |
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4 |
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3 3/4 |
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3 |
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4 |
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4 |
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2 |
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4 1/4 |
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1 |
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4 1/2 |
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D |
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4 3/4 |
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4 |
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4 |
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3 |
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4 1/4 |
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5 |
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2 |
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4 1/2 |
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1 |
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4 3/4 |
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0 |
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5 |
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1. To quickly achieve small changes in cutting heights, |
USE ONLY 4 BLADE SPACERS MAXIMUM |
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move the spacers from under the cutter housing to |
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above the cutter pulley. (Each spacer moved will give an |
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additional 1/4" of cutting height ). |
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7
ETS Gear Drive Intermediate Walk Behind
Models:
968999117 / W3613ETS
968999120 / W4815ETS
8
Setup & Adjustments
MAINTENANCE
1.Keep all nuts, bolts, and screws tight to keep mower in safe operating condition.
2.Never store the mower with gas in the tank inside a building where fumes can reach an open flame or spark. Allow engine to cool before storing in an enclosure.
3.To reduce fire hazard, keep mower free of grass, leaves, or excessive grease.
4.Check grass catcher assembly frequently for wear or deterioration. Replace bag if loose seams or tears are evident.
5.Have your mower inspected and serviced each year by an authorized HUSQVARNA dealer. Determine if any additional devices are available which might upgrade the safety of your mower.
6.Use only authentic HUSQVARNA replacement parts to insure the safety and quality of your mower is maintained.
7.Safety decals should be replaced if they are missing or illegible. Decals may be purchased from your HUSQVARNA dealer.
FRONT CASTER WHEELS
1. Mount front caster wheel assemblies.
Installation includes fastening casters to front of the cutter deck using 3/8 x 1" hex head 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 the upper mounting holes in handle with the upper hole in the tank support.
2.Install two 3/8" x 1" screws through matched holes and loosely install 3/8" nuts.
3.Align the lower holes and install hardware as above, tighten upper and lower hardware.
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.Install shifter to transmission with 1/4" x 1" screws.
The shifter is located in the inner box and hardware is pre-assembled into the bracket on the transmission.
3.Install blade control rod into the bellcrank on the left side of the tank support. Secure rod with ring type retainer.
4.Refer to the section of this manual on adjustments for the proper adjustment of the linkages you are installing. The linkages were set at the factory but must be checked before operating mower to insure of the proper setting. Always check 100% of the adjustments before you operate the mower.
5.Connect the two halves of the wiring harness together. The four prong connectors have a locking tab that shows which way to line them up and guarantees that they are connected properly when the lock snaps.
6.Install the chute deflector to the side of the mower deck. Bolt it into place using the two
5/16" x 1" screws and nuts pre-assembled into the mounting tabs on the deck. Tighten the screws very securely with the chute completely covering the discharge opening and tight against the side of deck.
THROTTLE INSTALLATION
1. Connect the throttle cable end to the throttle mechanism on engine, leaving the cable clamp loose. Push throttle lever on console completely forward. Then pull the cable through the clamp on engine and tighten the cable clamp. Move the throttle lever back and forth to ensure proper installation.
9
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 arm
Brake Rod
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Setup & Adjustments
REAR AXLE HEIGHT ADJUSTMENT
AXLE ADJUSTMENT
BOLTS
POSITION A
POSITION B
PLACE JACK
HERE
POSITION |
LOOSEN BOLTS EACH |
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SIDE |
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Figure 1
POSITION
D
CASTER HEIGHT ADJUSTMENT
MACHINERY BUSHING
1/2" SPACERS
CASTER SWIVEL
Figure 2
11
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