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Husqvarna AR25 manual

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Table of contents for the manual

  • Page 1

    Operators manual AR19 AR25 T A36 Models: Please read these instructions carefully and make sure you understand them before using the machine. MANUAL NO. 540200239 REV . 12/1 1/00[...]

  • Page 2

    Index Section 1 · Operator ’ s Guide Page Specifications ................................................................................................................. ......... 3 Features and Controls .......................................................................................................... .. 4 General Information ..........[...]

  • Page 3

    Operator ’ s Guide SPECIFICA TIONS A) POWER UNIT AR19 AR25 Engine 3.5HP Briggs I/C (2.6kw) 3.5HP Briggs l/C (2.6kw) 4HP Honda (3kw) 4HP Honda (3kw) Clutch Belt tensioner Belt tensioner Primary drive One V-belt (A-44”) One V-belt (A-44”) Secondary drive Permalube Chain Permalube Chain Gear reduction 6:1 6:1 B) WHEELS Bearings FRONT – ¾” ([...]

  • Page 4

    4 MODEL AR19 - FEA TURES AND CONTROLS Figure 1 Operator ’ s Guide[...]

  • Page 5

    5 MODEL AR25 - FEA TURES AND CONTROLS Figure 2 Operator ’ s Guide[...]

  • Page 6

    6 MODEL T A36 - FEA TURES AND CONTROLS Operator ’ s Guide[...]

  • Page 7

    7 GENERAL INFORMA TION 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. The following safety symbols are used throughout the manual to alert you to information about u[...]

  • Page 8

    8 The following decals are found on Model AR19 and AR25 or T A36 aerators. If any are missing or not legible, replace them before operating aerator . SAFETY AND INSTRUCTION DECALS A - Model AR19 only (1 ea) B - Model AR19 & AR25 only (2 ea) I - Model AR19 & AR25 only (1 ea) J - Model AR25 only (1 ea) C - Model AR25 only (2 ea) D1 - Model AR[...]

  • Page 9

    9 Throttle Cable Model AR25 with Honda Only I (On back of housing over tine rotor) D2 E (on deck behind engine D1 G H J (For Model AR25) A (For Model AR19) B C (For Model AR25) DECAL PLACEMENT - MODELS AR19 AND AR25 F K Figure 3[...]

  • Page 10

    10 ASSEMBL Y INSTRUCTIONS Model AR19 1. Wear eye protection. Remove wooden blocks. NOTE: W atch for nails and wood splinters. 2. Carefully cut open side of carton. 3. Lawn Aerator is shipped with handle folded. Lock handle in position using the cam lock lever . Model AR25 1. Wear eye protection. Remove wooden blocks. NOTE: W atch for nails and wood[...]

  • Page 11

    11 AERA TION TIPS Should I water before aerating? Best aerating condition is a soft and moist ground. If you are unsure of the ground conditions, as in soil with high clay content, a simple test will determine whether it is necessary to water before aerating. Using a garden hand spade or a large screw driver , you should be able to drive the tool i[...]

  • Page 12

    12 THROTTLE CABLE ADJUSTMENT . Model AR25 (Honda Engine Only) 1. Start engine and allow it to reach operating temperature. 2. Adjust the throttle cable at the adjuster bracket by turning the adjuster nut. T ightening will increase engine speed, loosening will reduce engine speed. NOTE: A properly adjusted throttle will slightly increase engine spee[...]

  • Page 13

    13 REAR WHEEL ADJUSTMENT The rear wheel depth/stability control knob (see Figure 6) allows adjustment for better stability and maneuverability by turning knob clockwise. Adjusting for depth by turning knob counter clockwise determines the length of the cores pulled in the following ways: (A)The rear wheels can be adjusted to the level you desire so[...]

  • Page 14

    14 When operating on hills you should consider the following: (A) Operate the machine up and down the hills rather than across them. (B) Use the rear wheel depth/stability control knob to set the rear wheels for extra stability . This can be a great benefit when you do choose to run the aerator across a hill. An added benefit of using the rear whee[...]

  • Page 15

    15 ENGINE SERVICE AND MAINTENANCE Follow the engine manufacturers maintenance instructions. Should any malfunction occur with the engine during the warranty period, take it to an Authorized Service Dealer . DO NOT tear down the engine, as this may void the Engine Manufacturers W arranty NOTE: Refer to engine manufacturers owners manual for all engi[...]

  • Page 16

    16 Engine, Removal and Replacement 1. Remove weights for access. 2. Remove drive guard. 3. Remove V-Belt. 4. Remove engine bolts. 5. Lift engine from unit. NOTE: Model AR25 aerators equipped with optional Honda engines have 2 pairs of shim plates under the engine. 6. Remove and retain V-pulley and key . 7. Replacement procedure opposite of removal.[...]

  • Page 17

    17 HANDLE - MODEL AR19 ONL Y Inspection 1. The handle cam lock must lock shut under moderately heavy hand pressure. Handle frame should be tightly secured to the aerator body . 2. Check the cam rod lock nut. If it turns freely by hand when cam is released, the locking strength of the nut has been relieved and the nut must be replaced to maintain th[...]

  • Page 18

    18 Drive Wheel Shaft Removal and Replacement (Continued) 7. Pull sprocket and bearing from shaft. NOTE: Sprocket is double set screwed. T o remove the bearings, you must first remove the collar by loosening the set screw , then insert pin punch into the hole next to the set screw and, using a hammer , with moderate striking, hit collar so that it r[...]

  • Page 19

    19 TINE AND TINE SHAFT Tine Replacement 1. T urn of f engine and remove weights. 2. Fold handle on the AR19 Model. 3. Note direction of tine bolt. 4. Remove and replace tines by loosening stop bolt. Remove retaining bolt and old tine, insert new tine and fasten with retaining bolt in the same direction as it was removed. When all tines are replaced[...]

  • Page 20

    20 What is Aeration? For healthy growth, grass roots need air space in the soil to absorb oxygen, water , and nutrients. Air space in turf soils is reduced when soils are compacted by foot traffic, rainfall, irrigation, during building construction and landscaping. Aeration by mechanically removing small plug (cores) of soil and thatch, greatly inc[...]

  • Page 21

    21 TOOLS REQUIRED: 2 each 3/4” wrenches 1 each 9/16” deep-well socket 1 each 9/16” wrench P ARTS INCLUDED: Bolts: 1 each 3/8 x 1 hex w/nut 4 each 3/8 x 1 hex head w/nuts 3 each 1/2 x 3 hex head w/1 each 1/2" nut Bushing: 5/8” x 9/16” Wash ers : 2 each 1/2” SAE flat 10 each 3/8” SAE flat 1. Check to see that all bolts, washers, an[...]

  • Page 22

    22 5. T ighten the 1/2” bolt and 3/8” bolt securely . The 3/8” bolt will require the use of a 9/16” deep- well socket wrench to tighten. 6. Install tow bar by sliding bracket into frame and aligning the holes. 7. Insert four 3/8” X 1” bolts with four washers placed on outside of frame, and tighten securely with 3/8” lock nuts, using s[...]

  • Page 23

    23 AR19 AR25 AR19 AR25[...]

  • Page 24

    T echnical assistance: For technical assistance please contact your Local Dealer .[...]