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Operators manual Models:
968999114 / W3213
968999116 / W3613
968999251 / W4815
968999278 / WG4815P
Please read these instructions carefully and make
sure you understand them before using the machine.
MANUAL NO. 539106471 REV. 03 (08/23/04)
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TABLE OF CONTENTS SAFETY : Training Preparation Operation Maintenance EQUIPTMENT SETUP AND ADJUSTMENTS : Front casters Axle adjustment Cutting height chart Brake adjustment Operator presence switches Belt adjustments OPERATING INSTRUCTIONS : Emergency stopping Normal stopping Pre-start Operating instructions SERVICE : Interlock system Cutting deck Cutter housing Belt replacement Winter storage Maintenance chart ©2004 Husqvarna. All right reserved. Beatrice, NE. Printed U.S.A. 2
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INTRODUCTION This manual has been prepared for the operators of the HUSQVARNA 32", 36" commercial mowers. Read, understand, and follow the safety and operating instructions. Always stop the engine and blades, place the traction levers in drive, and place the mower in gear when leaving unattended. The steering system of this mower uses individual right and left traction levers on the handle bars. Squeezing the traction lever will reduce tension on the wheel drive belt eliminating power to that
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Safety WARNING: Failure to comply with the following OPERATION instructions may result in serious injury to the 1. Do not change engine governor settings or over operator or other persons. The owner must under- speed the engine. stand these instructions, and must allow only persons 2. Keep hands, feet, and clothing away from rotating who understand these instructions to operate the parts when operating mower. mower. Each person operating the mower must be of 3. Disengage blade drive when cross
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Setup & Adjustments FRONT CASTER WHEELS THROTTLE INSTALLATION 1. Mount front caster wheel assemblies. Installation 1. Connect the throttle cable end to the throttle includes fastening casters to front of the cutter deck mechanism on engine, leaving the cable clamp loose. using 3/8 x 1" hex head capscrews. Push throttle lever on console completely forward. Then pull the cable through the clamp on engine and FUEL TANK tighten the cable clamp. Move the throttle lever back 1. Mount fuel tank to ta
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Setup & Adjustments REAR AXLE HEIGHT ADJUSTMENT AXLE PIVOT BOLTS AXLE ADJUSTMENT BOLTS POSITION A PLACE JACK HERE POSITION B POSITION C LOOSEN BOLTS EACH SIDE POSITION D Figure 1 CASTER HEIGHT ADJUSTMENT MACHINERY BUSHING 1/2" SPACERS CASTER SWIVEL Figure 2 6
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Setup & Adjustments CUTTING HEIGHT ADJUSTMENT CHART NUMBER OF AXLE NUMBER OF 1/4" BLADE SPACERS CUTTING HEIGHT SPACERS BELOW POSITION UNDER CUTTER HOUSING (IN INCHES) CASTER ARM 4 1 1/2 3 1 3/4 0 2 2 1 2 1/4 0 2 1/2 A 4 1 3/4 3 2 1 2 2 1/4 1 2 1/2 0 2 3/4 4 2 1/2 3 2 3/4 2 2 3 1 3 1/4 0 3 1/2 B 4 3 3 3 1/4 2 3 1/2 3 1 3 3/4 0 4 4 3 1/4 3 3 1/2 3 2 3 3/4 1 4 0 4 1/4 C 4 3 1/2 3 3 3/4 4 2 4 1 4 1/4 0 4 1/2 4 3 3/4 3 4 4 2 4 1/4 1 4 1/2 0 4 3/4 D 4 4 3 4 1/4 5 2 4 1/2 1 4 3/4 0
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Setup & Adjustments BRAKE / TRACTION ADJUSMENT OPERATOR PRESENCE SWITCH ADJUSTMENT 1. Disconnect the brake linkage from the brake band The operator presence switches can be adjusted by arm. loosening the screws on the side of the O.P. lever linkage and sliding the switch up or down. The O.P. 2. With the mower in gear, place the traction levers in switch should have a 1/32" to 1/16" gap between the the drive position. Firmly pull back on the handles plunger and the bottom side of the control pa
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Setup & Adjustments TRANSMISSION DRIVE BELT BLADE ENGAGEMENT LEVER To increase the tension of the transmission belt, The blade engagement lever needs to be adjusted so loosen the nut on the underside of the transmission the lever does not come in contact with control panel idler pulley located under the rear deck, slide the idler when the lever is in the off position. assembly inward to increase tension and tighten the nut to secure. See figure 4 & 5. To adjust, remove the clevis pin from the
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Operating Instructions BEFORE OPERATING PRE-START CHECKLIST Be thoroughly familiar with all controls and how to use Make the following checks and perform the services them before operating the mower. Know beforehand as required before each start up. how to stop the engine, drive wheels, and mower blades in preparation for possible emergency. 1. If required make cutting height adjustments and drive linkage adjustments. Refer to pages 5 and 6 EMERGENCY STOP Pull both traction levers firmly agains
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Operating Instructions 6. Pull starter rope until engine starts. 7. Warm engine momentarily, then move the throttle control out of the choke position until engine runs smoothly, approximately 1/2 throttle. Engage the blades and set the desired rpm. The best cutting and bagging is obtained with engine at or near top rpm. NOTE: DO NOT engage the blades at full rpm. To extend belt life engage and disengage belts at 1/2 throttle. 8. Depress one operator presence lever and shift transmission to th
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Service SERVICE ASSISTANCE - REPLACEMENT PARTS CAUTION To retain the quality of your mower, use genuine DO NOT BYPASS THE INTERLOCK SWITCHES HUSQVARNA replacement parts only. Contact your THEY ARE FOR YOUR PROTECTION! CHECK local HUSQVARNA dealer for parts and service THE OPERATOR PRESENCE SYSTEM DAILY assistance. For the correct part or information for your ALONG WITH THE TRACTION DRIVE SWITCHES particular mower, always mention model and serial AND BLADE SWITCH FOR PROPER OPERATION. number. We
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Service CUTTER HOUSING SPINDLE ASSEMBLIES Cutter housing assemblies use sealed bearings and The cutter housing assembly is designed with a slip are maintenance free. fit inner race and pulley. The sole purpose of the setscrew in the pulley is to hold the housing assem- bly together. The setscrew is not meant to secure the pulley. The pulley is secured by pinching the pulley NOTE to the inner race of the bearings using the blade bolt WHEN PRESSING A BEARING IN OR OUT OF A and nut. Tighten th
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Service WHEEL DRIVE BELT REPLACEMENT TRANSMISSION BELT REPLACEMENT WHEEL DRIVE BELT: If belts are worn or damaged, (32", 36" & 48" MOWERS) wheels will not drive properly. To replace either belt, proceed as follows: 1. Blade drive belt must be removed from engine pulley before transmission belt can be removed. See 1. Unhook brake linkage from brake band arm. blade drive replacement, use steps 4, 5, and 6. Also Located between the rear deck and the rear tire. see figure 4 on page 9. 2. Unhook tra
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Maintenance ITEM FREQUENCY REQUIRED SERVICE REAR TIRES BEFORE EACH MOWING INFLATE TO PROPER PRESSURE FRONT TIRES BEFORE EACH MOWING INFLATE TO PROPER PRESSURE UNDERSIDE OF MOWING DECK AFTER EACH MOWING REMOVE GRASS & DEBRIS MOWER DECK DAILY INSPECT FOR CRACKS/LOOSE HARDWARE UNDERSIDE OF REAR DECK AFTER EACH MOWING REMOVE GRASS & DEBRIS BLADE PULLEYS WHENEVER REMOVED LOCTITE TO SHAFT ENGINE PULLEY WHENEVER REMOVED ANTI-SEIZE TO SHAFT FRONT WHEEL BEARINGS DAILY LUBE WITH GREASE CASTER SHAFTS DAILY
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