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Operators manual Models:
AR19
Please read these instructions carefully and make
AR25
sure you understand them before using the machine.
TA36
MANUAL NO. 540200239 REV. 12/11/00
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Lawn Aerators Index Section 1 · Operator’s Guide Page Specifications .......................................................................................................................... 3 Features and Controls ............................................................................................................ 4 General Information ................................................................................................................ 7 Safety Procedures.....................
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Operator’s Guide SPECIFICATIONS 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” (1.9 cm) sealed FRONT – ¾” (1.9 cm) sealed ball bearings with stamping kit ball bearings with stamping kit REAR - ¾” (1.9 cm) roller bearing REAR - ¾” (1.9 c
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Operator’s Guide MODEL AR19 - FEATURES AND CONTROLS Figure 1 4
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Operator’s Guide MODEL AR25 - FEATURES AND CONTROLS Figure 2 5
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Operator’s Guide MODEL TA36 - FEATURES AND CONTROLS 6
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Operator’s Guide GENERAL INFORMATION 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 unsafe actions or situations: DANGER indicates immediate hazards that may result in severe injury or death. WARNING indicates unsafe acti
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SAFETY AND INSTRUCTION DECALS The following decals are found on Model AR19 and AR25 or TA36 aerators. If any are missing or not legible, replace them before operating aerator. A - Model AR19 only (1 ea) J - Model AR25 only (1 ea) I - Model AR19 & AR25 only (1 ea) B - Model AR19 & AR25 only (2 ea) C - Model AR25 only (2 ea) D1 - Model AR19 only (1 ea) D2 - Model AR25 only (1 ea) G - Model AR19 & AR25 only (1 ea) F - Model AR19 & AR25 only (1 ea) E - Model AR19 & AR25 only (1 ea) K - Model AR19 &
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DECAL PLACEMENT - MODELS AR19 AND AR25 D2 Throttle Cable Model AR25 with Honda Only D1 E (on deck behind engine I (On back of housing over tine rotor) K F G C (For Model AR25) H B J (For Model AR25) A (For Model AR19) Figure 3 9
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Operator’s Guide ASSEMBLY INSTRUCTIONS Model AR19 1. Wear eye protection. Remove wooden blocks. NOTE: Watch 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: Watch for nails and wood splinters. 2. Carefully cut open side of carton. 3. AR25 Lawn Aerator is shipped with the handle detached. Mount the handle using 2 each
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Operating Instructions AERATION 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 in the ground 2 to 3 inches with little effort. If you are unable to do so, then watering the lawn a day before aerating is necessary
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Operating Instructions 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. Tightening will increase engine speed, loosening will reduce engine speed. NOTE: A properly adjusted throttle will slightly increase engine speed as the clutch engages. If the clutch engages too soon, the engine will stall. If the engine speed is too high, the gradual c
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Operating Instructions 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 you can control the penetration of the tines to within a fraction of an inch. The length of the cores pulled can be controlled ac
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Maintenance and Service Instructions 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 wheel depth control when aerating across a hill is that you will improve the consistency of the cores pulled from the uph
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Maintenance and Service Instructions PREVENTATIVE MAINTENANCE SCHEDULE A) Inspection Schedule Item Out of Box First 5 hrs. Every 10 hrs Each Use Engine Oil Gear box oil Engine air cleaner Clutch & cable Chain tension Belt wear & tension Tine wear & condition Fasteners Sprockets & set screws Frame condition Decals B) Lubrication Schedule Item Lubricant Every 20 hrs Every 60 hrs As Required Storage
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Maintenance and Service Instructions 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. 8. Adjust drive belt and align V-pulley, see following section. Figure 13 Drive Belt Replacement and Adjustment 1. T
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Maintenance and Service Instructions Chain Removal and Replacement 1. Turn off engine. 2. Remove the drive guard. 3. Loosen chain idler adjustment bolt and lock nut Figure 15 4. Remove master link and remove chain. 5. Inspect and align sprockets. (see Figure 16). Check set screws. (Double set screws for wheel and rotor sprocket). 6. Install new chain from top (drive sprocket side) and route in accordance with Figure 15. NOTE: Chain is most easily connected just behind the fiont drive wheel s
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Maintenance and Service Instructions Drive Wheel Shaft Removal and Replacement (Continued) 7. Pull sprocket and bearing from shaft. NOTE: Sprocket is double set screwed. To 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 rotates in the opposite direction the wheel would normally turn. If bearings are rusted in place they will have to be re
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Maintenance and Service Instructions TINE AND TINE SHAFT Tine Replacement 1. Turn off 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, tighten stop bolts. NOTE: Replace worn lock nuts to insure that bolts will hold tines in place. Tine Shaft Bearing R
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Operating Instructions for Model TA36 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 increasing the air space in soil. In this manner, the aerating process promotes new root growth and improves the lawns
