Instruction/ maintenance manual of the product YT180 Husqvarna
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YT180 Owner ’ s Manual.
2 SAFETY RULES Safe Operation Practices for Ride-On Mowers IMPORTANT: THIS CUTTING MACHINE IS CAPABLE OF AMPUTATING HANDS AND FEET AND THROWING OBJECTS. FAILURE TO OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR DEATH. III.
3 HORSEPOWER: 18.0 GASOLINE CAPACITY: 3.5 GALLONS AND TYPE: UNLEADED REGULAR OIL TYPE (API-SF/G): SAE 30 (above 32 ° F) SAE 5W-30 (below 32 ° F) OIL CAPACITY: W/ FILTER: 4.0 PINTS W/O FILTER: 3.5 PINTS SPARK PLUG: CHAMPION RV17YC (GAP: .025") VALVE CLEARANCE: INTAKE: .
4 INDEX A Adjustments : Brake ........................................... 20 Carburetor ................................... 23 Mower: Front-To-Back ........................ 19 Side-To-Side .......................... 19 Throttle Control Cable ...... ..
5 CONTENTS OF HARDW ARE P ACK (2) Hex Bolts 1/4-20 x 3/4 (2) Washers 9/32 x 5/8 x 16 Ga. (2) Lock Washers 1/4 (2) Hex Nuts 1/4-20 (2) Wing Nuts 1/4-20 Parts packed separately in carton Parts .
6 ASSEMBL Y STEERING WHEEL ADAPTER FIG. 1 Your new tractor has been assembled at the factory with exception of those parts left unassembled for shipping purposes. To ensure safe and proper operation of your tractor, all parts and hardware you assemble must be tightened securely.
7 ASSEMBL Y INSTALL SEAT (See Fig. 3) Adjust seat before tightening adjustment knob. • Remove cardboard packing on seat pan. • Place seat on pan and assemble shoulder bolt. • Assemble adjustment knob and flat washer loosely. Do not tighten. • Tighten shoulder bolt securely.
8 ASSEMBL Y INSTALL BATTERY (See Figs. 4 & 5) CAUTION: Do not short battery termi- nals. Before installing battery, remove metal bracelets, wristwatch bands, rings, etc. Positive terminal must be connected first to prevent sparking from acci- dental grounding.
9 ASSEMBL Y ASSEMBLE GAUGE WHEELS TO MOWER DECK (See Fig. 7) Assemble gauge wheels with tractor on a flat level surface. • Adjust mower to desired cutting height (See “TO AD- JUST MOWER CUTTING HEIGHT” in the Operation section of this manual).
10 OPERA TION KNOW YOUR TRACT OR READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR TRACTOR Compare the illustrations with your tractor to familiarize yourself with the locations of various controls and adjustments. Save this manual for future reference.
11 OPERA TION The operation of any tractor can result in foreign objects thrown into the eyes, which can result in severe eye damage. Always wear safety glasses or eye shields while operating your tractor or performing any adjustments or repairs. We recom- mend a wide vision safety mask for over the spectacles or standard safety glasses.
12 OPERA TION TO OPERATE ON HILLS CAUTION: Do not drive up or down hills with slopes greater than 15 ° and do not drive across any slope. • Choose the slowest speed before starting up or down hills. • Avoid stopping or changing speed on hills. • If slowing is necessary, move throttle control lever to slower position.
13 OPERA TION • Insert key into ignition and turn key clockwise to “START” position and release key as soon as engine starts. Do not run starter continuously for more than fifteen seconds per minute. If engine does not start after several attempts, move throttle control to fast ( ) position, wait a few minutes and try again.
14 CUST OMER RESPONSIBILITIES 2 LUBRICATION CHART 2 SPINDLE ZERK FRONT WHEEL BEARING ZERK ATTACHMENT CLUTCH PIVOT(S) 1 SPINDLE ZERK FRONT WHEEL BEARING ZERK 2 2 3 ENGINE GEARSHIFT PIVOTS 1 2 1 3 GENERAL RECOMMENDA TIONS The warranty on this tractor does not cover items that have been subjected to operator abuse or negligence.
15 CUST OMER RESPONSIBILITIES BATTERY (See Fig. 15) Your tractor has a battery charging system which is suffi- cient for normal use. However, periodic charging of the battery with an automotive charger will extend it's life. • Acid solution level in each battery cell should be even with bottoms of vent wells.
16 CUST OMER RESPONSIBILITIES V-BELTS Check V-belts for deterioration and wear after 100 hours and replace if necessary. The belts are not adjustable. Replace belts if they begin to slip from wear. TRANSAXLE COOLING Keep transaxle free from build-up of dirt and chaff which can restrict cooling.
17 CUST OMER RESPONSIBILITIES TO SERVICE PRE-CLEANER • Slide foam pre-cleaner off cartridge. • Wash it in liquid detergent and water. • Squeeze it dry in a clean cloth. • Saturate it in engine oil. Wrap it in clean, absorbent cloth and squeeze to remove excess oil.
18 SER VICE AND ADJUSTMENTS CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: • Depress clutch/brake pedal fully and set parking brake. • Place gearshift lever in NEUTRAL (N) position. • Place attachment clutch in "DISENGAGED" position.
19 SER VICE AND ADJUSTMENTS FRONT-TO-BACK ADJUSTMENT (See Figs. 23 and 24) IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS NECESSARY, BE SURE TO ADJUST BOTH FRONT LINKS EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO- SIDE.
20 SER VICE AND ADJUSTMENTS FIG. 26 WITH PARKING BRAKE "ENGAGED" 1-1/2" NUT “A” JAM NUT OPERATING ARM TO REPLACE MOTION DRIVE BELT (See Fig. 27) Park the tractor on level surface. Engage parking brake. For assistance, there is a belt installation guide decal on bottom side of left footrest.
21 SER VICE AND ADJUSTMENTS WASHERS RETAINING RING WHEEL COVER SQUARE KEY (REAR WHEEL ONLY) TO ADJUST STEERING WHEEL ALIGNMENT If steering wheel crossbars are not horizontal (left to right) when wheels are positioned straight forward, remove steer- ing wheel and reassemble per instructions in the Assembly section of this manual.
SER VICE AND ADJUSTMENTS 22 TO REPLACE FUSE Replace with 30 amp automotive-type plug-in fuse. The fuse holder is located in the engine compartment, directly in front of the dash. TO REPLACE HEADLIGHT BULB • Raise hood. • Pull bulb holder out of the hole in the backside of the grill.
23 SER VICE AND ADJUSTMENTS ENGINE TO ADJUST THROTTLE CONTROL CABLE (See Fig. 31& 32) The throttle control has been preset at the factory and adjustment should not be necessary.
24 Immediately prepare your tractor for storage at the end of the season or if the tractor will not be used for 30 days or more. CAUTION: Never store the tractor with gasoline in the tank inside a building where fumes may reach an open flame or spark.
25 TROUBLESHOOTING POINTS Will not start 1. Out of fuel. 1. Fill fuel tank. 2. Engine not “CHOKED” properly. 2. See “TO START ENGINE” in Operation section. 3. Engine flooded. 3. Wait several minutes before attempting to start. 4. Bad spark plug.
26 TROUBLESHOOTING POINTS PROBLEM CAUSE CORRECTION Engine continues to run 1. Faulty operator-safety presence control system. 1. Check wiring, switches and connections. If not when operator leaves seat corrected, contact an authorized service facility.
27 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) SCHEMATIC BATTERY G B S L M IGNITION SWITCH FUSE 30 AMP. 2 3 4 IGNITION UNIT SPARK PLUGS RED BLUE BLUE 12.
28 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) ELECTRICAL DEPRESS FOOT PEDAL DISENGAGE ATTACHMENT CHECK OIL FUEL 22 Comm Harness 141571 21 40 26 51 34 50 29.
29 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) ELECTRICAL 1 532121537 Battery 2 874760412 Bolt, Hex Head 1/4-20 x 3/4 3 819091016 Washer 9/32 x 5/8 x 16 Gauge 4 8100404.
30 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) CHASSIS AND ENCLOSURES 3 2 3 38 39 35 26 26 3 3 13 116 114 118 99 35 26 33 10 34 1 3 11 59 3 3 6 3 3 3 26 99 9 66 114 15 .
31 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) CHASSIS AND ENCLOSURES 1 532140341 Chassis Weldment 12 ga 38/42 2 532140356 Drawbar Stretch 3 817490612 Screw Thdrol 3/8 .
32 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) DRIVE 12 14 89 57 90 74 75 78 76 77 1 25 19 24 2 53 46 45 44 35 34 37 36 35 27 19 48 62 36 49 47 26 50 45 59 55 77 42 61 .
33 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) DRIVE KEY PART NO. NO. DESCRIPTION KEY PART NO. NO. DESCRIPTION 1 532142607 Transaxle 6sp Dana LT Model # 4360-81 2 53211.
34 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) STEERING ASSEMBLY 5 9 5 7 7 9 4 33 35 34 33 3 34 35 32 43 6 43 8 17 18 19 22 21 20 8 27 23 11 12 24 29 25 5 8 10 12 11 11.
35 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) STEERING ASSEMBLY 1 532124415 Wheel Steering Auto Grey 2 532142033 Axle Asm Fr LT W/gzks 38/42 3 532135227 Spindle Asm LH.
36 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) SEAT ASSEMBLY 11 1 24 16 15 12 13 17 25 8 9 7 8 9 7 27 18 2 28 22 21 5 10 5 14 16 532123740 Spring Cprsn 1 310 Blk Pnt 17.
37 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) DECALS WHEELS & TIRES 5,8 1 2 6 12,13 7 4,10 3,9 11 10 3 8 4 7 5 KEY PART NO.
38 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) ENGINE.
39 REP AIR P ARTS 18 HP 42" TRACT OR - - MODEL N UMBER YT180 (954001082A) ENGINE KEY PART NO. NO. DESCRIPTION 1 532137214 Control RH Blk Flg 37 88 2 817720410 Screw Hex Thd Cut 1/4-20x5/8 T 3 - - - - - - - - Engine Model No.
40 REP AIR P AR TS 18 HP 42" TRA CT OR - - MODEL N UMBER YT180 (954001082A) MOWER LIFT ASSEMBLY 15 20 16 17 18 20 20 15 20 4 5 6 2 3 1 6 5 4 7 8 10 21 22 23 24 25 26 27 28 29 30 37 41 35 36 40 38.
41 REP AIR P AR TS 18 HP 42" TRA CT OR - - MODEL N UMBER YT180 (954001082A) MOWER LIFT ASSEMBLY 1 532136971 Wire Asm Inner W/plunger 20 56 2 532136968 Shaft Asm Lift RH w/Inf W/T 3 532138284 Pin .
42 REP AIR P AR TS 18 HP 42" TRA CT OR - - MODEL N UMBER YT180 (954001082A) 42" MOWER 15 14 12 13 11 10 9 8 16 68 30 31 32 33 35 54 34 55 56 40 40 17 1 46 44 21 22 24 25 26 27 2 28 29 23 21 .
43 REP AIR P AR TS 18 HP 42" TRA CT OR - - MODEL N UMBER YT180 (954001082A) 42" MOWER KEY PART NO. NO. DESCRIPTION 1 532144393 Deck Asm MWR 42"weldment 2 872140506 Bolt Rdhd Sqnk 5/16-1.
REP AIR P AR TS 18 HP 42" TRA CT OR - - MODEL N UMBER YT180 (954001082A) DANA TRANSAXLE - - MODEL NUMBER 4360-81 44.
45 REP AIR P AR TS 18 HP 42" TRA CT OR - - MODEL N UMBER YT180 (954001082A) DANA TRANSAXLE - - MODEL NUMBER 4360-81 KEY PART NO. NO. DESCRIPTION 1 532142671 Housing, Upper 2 532002274 Screw, Self-Tapping, Large 1/4-20 x .
46 15° MAX. SIGHT AND HOLD THIS LEVEL WITH SKY LINE OR TREE. CUT OUT ON DOTTED LINES THIS IS A 15° SLOPE SIGHTING GUIDE ONLY RIDE UP AND DOWN HILL, NOT ACROSS HILL SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION Operate your Tractor up and down the face of slopes (not greater than 15°), never across the face.
Effective May 1, 1992 W ARRANTY ST A TEMENT (2) Failure to operate or maintain the unit in accordance with the Owner’s/Operator’s manual or instruction sheet furnished by Husqvarna.
954 00 10-82 532145019 07.08.94 Printed in U.S.A..
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