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Models
991151 – Apex 60
(SN 015000 +)
991153 – Apex 48
(SN 015000 +)
991155 – Apex 52
(SN 015000 +)
991157 – Apex 60
(SN 015000 +)
991173 – Apex 48 CARB
(SN 015000 +)
991175 – Apex 52 CARB
(SN 015000 +)
991177 – Apex 60 CARB
(SN 015000 +)
E10
Operator's Manual
Manuel du Utilisateur
ENGLISH
FRANÇAIS
Apex
05168800D
Printed in USA
1/18

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Table of Contents
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Summary of Contents for Ariens Apex 48 CARB

  • Page 1 (SN 015000 +) 991155 – Apex 52 (SN 015000 +) 991157 – Apex 60 (SN 015000 +) 991173 – Apex 48 CARB (SN 015000 +) 991175 – Apex 52 CARB (SN 015000 +) 991177 – Apex 60 CARB (SN 015000 +) ENGLISH •...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS WELCOME ..... . 1 Service Parts ..... 17 Hour / Maintenance Meter .
  • Page 3: Welcome

    WELCOME Congratulations on your purchase and welcome to the Ariens family! Every machine in the Ariens lineup is designed for long-lasting and unsurpassed performance. We are confident your machine will be part of your family for many years to come.
  • Page 4: Safety

    The safety alert symbol above and signal penalties. Emission controls and components words below are used on decals and in this can only be adjusted by an Ariens Company manual. Read and understand all safety dealer or an authorized engine messages.
  • Page 5: Safety Decals

    5. Important ALWAYS replace missing or damaged safety decals. Replacement decal part numbers are IMPORTANT: Indicates general reference found in the parts manual for your machine information worthy of special attention. and may be ordered from your dealer. SAFETY DECALS See Figure 2 for safety decal locations.
  • Page 6 Safety Decal Descriptions 3. DANGER! 1. DANGER! Discharge Hazard - NEVER operate unit DANGER! without discharge chute in operating position. Thrown objects can cause injury or damage. Read and understand the DO NOT operate mower operator’s manual before unless all guards are in operating unit.
  • Page 7 3.3 Tipping Hazard Look behind when operating the unit in reverse. Avoid tipping hazard. 3.6 Loss of Traction Hazard If loss of traction is DO NOT operate on slopes experienced do the over 15°. following: DO NOT operate on slopes Disengage PTO.
  • Page 8: Safety Rules

    SAFETY RULES 7. DANGER! The following safety instructions are based on the B71.1 specifications of the American National Standards Institute and ISO 5395 in DANGER! effect at the time of production. Training Read, understand, and follow all instructions on the machine and in the manual(s) before starting.
  • Page 9 Inspect unit before each use for missing or Children damaged decals and shields, correctly Tragic accidents can occur if the operator is operating safety interlock system, and not alert to the presence of children. deterioration of grass catchers. Replace or Children are often attracted to the machine repair as needed.
  • Page 10 NEVER direct discharged material toward Check for weak spots on docks, ramps or anyone. Avoid discharging material against floors. Avoid uneven work areas and rough a wall or obstruction. Material may ricochet terrain. Stay alert for hidden hazards or back toward the operator. Stop the blade(s) traffic.
  • Page 11 NEVER store the machine or fuel container where there is an open flame, spark or pilot Use only Ariens Company-recommended light such as on a water or space heater or attachments that are appropriate to your use other appliances.
  • Page 12 ALWAYS wear safety glasses and protective Transporting Unit gear near battery. Use insulated tools. Use extra care when loading or unloading ALWAYS keep batteries out of reach of the machine into a trailer or truck. children. Secure unit chassis to transport vehicle. Battery posts, terminals and related NEVER secure from rods or linkages that accessories contain lead and lead...
  • Page 13: Controls And Features

    CONTROLS AND FEATURES Models 991153, 991155, 991157, 991173, 991175 Models 991151, 991177 Figure 3 1. Fuel Tank and Cap 14. Deck Lift Pedal 2. Fuel Level Window 15. Seat Adjustment Lever 3. Oil Filter 16. Parking Brake Lever 4. Oil Drain 17.
  • Page 14: Ignition Key

    THROTTLE CONTROL LEVER WARNING: AVOID INJURY. See Figure 6. Read and understand the Controls engine speed. Safety section before proceeding. See Figure 3 for all controls and features locations. Fast IGNITION KEY See Figure 4. Controls power to the engine. The key cannot be removed when in run position.
  • Page 15: Transport Lock Release Lever

    TRANSPORT LOCK RELEASE PARKING BRAKE LEVER LEVER See Figure 9. See Figure 8. Controls the parking brake. The engine will not start with brake in the off position. Releases deck from transport lock position. Brake Engaged (On) Brake Released (Off) Figure 8 DECK LIFT PEDAL Raises mower deck to change height-of-cut...
  • Page 16: Operation

    System by performing the tests in Check Safety Interlock System on page 18. 7. Models 991151, 991177 Only: If choke is Contact your Ariens dealer for repair if on, wait a few seconds after engine starts any of the tests fail.
  • Page 17: Stop The Engine

    IMPORTANT: Never engage the PTO if the • Vary cutting pattern with each mowing. mower is plugged with grass or other • Do not allow grass or debris to collect material. This may cause damage to the inside of mower deck. Clean after each electric clutch.
  • Page 18: Transport Unit

    Proper maintenance can prolong the life of unit. The Maintenance Schedule on page 17 shows the recommended service schedule. Your Ariens dealer can provide service and adjustments to keep your unit operating at peak efficiency. Contact an authorized engine manufacturer’s service center for engine service.
  • Page 19: Maintenance Schedule

    MAINTENANCE SCHEDULE SERVICE PARTS See your Ariens dealer to purchase service parts for your unit. Description Qty. Part No. Transaxle Drive Belt 07225600 Mower Belt – Left 48" 07200815 Service Performed Mower Belt – Right 48" 07200805 Check Safety Interlock •...
  • Page 20: Hour / Maintenance Meter

    Check function of the Safety Interlock System Hour meter measures engine runtime and by performing the tests below. Contact your cannot be reset. Ariens dealer for repair if any of the tests fail. Maintenance Models Test Steering PTO Parking Result See Figure 14.
  • Page 21: Check Tire Pressure

    CHECK TIRE PRESSURE LUBRICATE UNIT See Specifications on page 38 for 1. Apply oil to all pivot points and pin recommended tire pressure. connections. Lubricate Seat WARNING: AVOID INJURY. See Figure 16. Explosive separation of tire 1. Place unit in service position. See and rim parts is possible.
  • Page 22 DO NOT sharpen to this pattern. Sharpen to this pattern. Figure 17 Sharpen Blades DISCARD if more than CAUTION: DO NOT sharpen 1.3 cm (1/2") blades while attached to unit. 1. Cutting Edge 2. Square Corner 1. Remove blades. Discard blades if: 3.
  • Page 23: Battery Service

    BATTERY SERVICE 4. Remove T-bracket from upper slots in hold-down brackets. Retain for WARNING: Battery posts, reinstallation. terminals and related 5. Remove battery. accessories contain lead and Clean Battery lead compounds, chemicals known to the State of California 1. Clean terminals and battery cable ends to cause cancer and with a wire brush.
  • Page 24: Check Mower Belts

    21. 4. Add hydraulic oil, if needed. Jump Starting a. Remove expansion tank caps. Ariens does not recommend jump starting b. Fill expansion tanks with 15W-50 your unit. Jump-starting can damage engine synthetic motor oil until oil reaches the and system components.
  • Page 25: Service & Adjustments

    3. Support unit so drive wheels are off the ground. 4. Bypass transaxles. See Move Unit Manually on page 15. 5. Start the engine and slowly move steering levers forward and backward 5 or 6 times. 6. Stop engine. 7. Return transaxle bypass levers to operating position.
  • Page 26: Adjust Steering Levers

    ADJUST STEERING LEVERS Adjust Height The steering lever height may be adjusted for operator comfort. See Figure 24. 1. Stop engine, remove key and wait for moving parts to stop and for hot parts to cool. 2. Remove steering lever hardware and remove steering lever from lower control arm.
  • Page 27: Adjust Unit To Drive Straight

    4. Tighten hardware. ADJUST UNIT TO DRIVE STRAIGHT NOTICE: Reverse travel can only be Figure 27 adjusted by your Ariens dealer. Adjust Tire Pressure 3. Align steering levers. See Adjust Steering Levers on page 24. 1. Place unit in service position. See Service Position on page 16.
  • Page 28: Electrical Service

    Adjust Neutral Position 6. Check wheel hubs for rotation. • If there is only slight rotation, stop If wheel hub has excessive rotation after engine, reinstall wheels, return unit to checking for excessive creep, adjust neutral operating position and advance to position.
  • Page 29: Replace Mower Belts

    REPLACE MOWER BELTS CAUTION: Damage or worn belts may result in injury and / or damage to the unit. Check belts for excessive wear or cracks of- ten. Remove PTO Belt 1. Place unit in service position. See Service Position on page 16. 2.
  • Page 30 Models 991151, 991155, 991157, Models 991151, 991155, 991157, 991175, 991177 991175, 991177 Figure 33 Figure 35 Models 991153, 991173 Models 991153, 991173 Figure 34 Install Mower Drive Belt See Figure 35 and Figure 36. Figure 36 1. Install mower drive belt around bottom groove of split pulley at deck center and IMPORTANT: Make sure belt has tension and around bottom groove of right spindle...
  • Page 31: Replace Transaxle Drive Belt

    Install PTO Belt REPLACE TRANSAXLE DRIVE BELT IMPORTANT: Mower drive belt MUST be installed before PTO belt. Remove Transaxle Drive Belt 1. Install PTO belt around clutch sheave at 1. Place unit in service position. See rear of unit. Service Position on page 16. See Figure 37.
  • Page 32 See Figure 40. 4. Remove hardware securing clutch stop bracket to frame and remove bracket. NOTICE: DO NOT cut cable tie. 1. Spring 2. Idler Pulley Figure 41 IMPORTANT: Make sure belt has tension and Figure 40 is aligned in all pulleys. See Figure 42. 5.
  • Page 33: Reverse Clutch Brake Plates

    4. Reinstall clutch stop bracket and secure 3. Position wheels as necessary: with original hardware. See Figure 43. • For a very high cutting height, set the anti-scalp wheels in the lowest position on the bracket. • For a very low cutting height, set the anti-scalp wheels in the highest position on the bracket.
  • Page 34: Remove And Install Mower Deck

    6. Remove hardware retaining drag links to frame. See Figure 48. 1. Upper Jam Nut 2. Lower Jam Nut Figure 46 Figure 48 REMOVE AND INSTALL MOWER 7. Remove hardware retaining deck lift links DECK to deck lift brackets. See Figure 49. Remove Deck 1.
  • Page 35: Level And Pitch Mower Deck

    Install Deck 1. Position deck under unit. See Figure 50. 2. Reinstall drag links to frame with original hardware. 3. Secure deck lift links to deck lift brackets with original hardware. Figure 51 See Figure 52. 6. Position mower blades so ends point front to back and measure the following: •...
  • Page 36 Level Mower Deck IMPORTANT: Pitching the front of the blades lower than the rear provides a balance See Figure 53. between cut quality and the power needed to 1. Lower the high side of deck: cut grass. Certain cutting conditions require a.
  • Page 37: Troubleshooting

    Connect spark plug wire(s) or replace spark plug(s) are faulty. spark plug(s). Refer to engine manual. Electrical system is faulty. Contact your Ariens dealer. Engine is faulty. Contact your Ariens dealer. Choke control knob is in on Move knob to off position.
  • Page 38 TROUBLESHOOTING Problem Probable Cause Correction Mower blades not level or mower Level and adjust pitch of mower deck. deck pitch is incorrect. See Level and Pitch Mower Deck on page 33. Mower blades are dull or faulty. Sharpen or replace mower blades. See Sharpen Blades on page 20.
  • Page 39: Storage

    2. Tighten all hardware to correct ACCESSORIES specifications. 3. Inspect unit for visible signs of wear or See your Ariens dealer for a complete list of damage. Repair as needed. compatible accessories and attachments for 4. Prepare fuel system for storage.
  • Page 40: Specifications

    SPECIFICATIONS Model Number 991151 991153 991155 991157 Description Apex 60 Apex 48 Apex 52 Apex 60 Engine Kawasaki Kohler 7000 Pro FR730 726 (44.3) 725.0 (44.2) Engine Displacement – cm Maximum RPM – No Load 3600 ± 100 3600 ± 75 Oil Capacity Refer to engine manual.
  • Page 41 SPECIFICATIONS Model Number 991173 991175 991177 Description Apex 48 CARB Apex 52 CARB Apex 60 CARB Engine Kohler 7000 Pro Kawasaki FR730 725.0 (44.2) 726 (44.3) Engine Displacement – cm Maximum RPM – No Load 3600 ± 75 3600 ± 100 Oil Capacity Refer to engine manual.
  • Page 42: Warranty

    Register the product immediately at the time of sale. If the dealer does not register the product, the customer must complete the product registration card in the literature package and return it to the Ariens Company, or register the unit online at www.ariens.com, www.gravely.com, www.countax.com.
  • Page 43 Exclusions – Items Not Covered by This Warranty • Parts that are not genuine Ariens, Gravely or Countax service parts are not covered by this warranty and may void the warranty. • Damages resulting from the installation or use of any part, accessory, or attachment which is not approved by the Ariens Company for use with product(s) identified herein are not covered by this war- ranty.
  • Page 44 655 West Ryan Street Brillion, WI 54110 ariensstore.com ariens.custhelp.com parts.ariens.com...

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