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Gravely Pro-Walk Hydro 36HR PS Owner's/Operator's Manual

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Pro-Walk Hydro
Owner/Operator Manual
Manuel Du Propriétaire/Utilisateur
E10
Serial No. 020000 and up
The use of any gasoline exceeding 10% ethanol (E10) or
10% MTBE will void the product warranty.
L'utilisation d'une essence contenant plus de 10% d'éthanol
(E10) ou de 10% de MTBE annulent la garantie.
ENGLISH
FRANÇAIS
Models
988153 – 36HR PG
988154 – 48HE PG
988155 – 52HE PG
988156 – 36HR PS
988157 – 48HE PS
988158 – 52HE PS
988159 – 61HE PS
988169 – 61HE PG
04296800C 9/12
Printed in USA

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Summary of Contents for Gravely Pro-Walk Hydro 36HR PS

  • Page 1 Pro-Walk Hydro Owner/Operator Manual Manuel Du Propriétaire/Utilisateur Models 988153 – 36HR PG 988154 – 48HE PG 988155 – 52HE PG 988156 – 36HR PS 988157 – 48HE PS 988158 – 52HE PS 988159 – 61HE PS 988169 – 61HE PG Serial No.

  • Page 2: Table Of Contents

    English may be obtained from your completely read your manuals. The contents Dealer. Visit your dealer or will provide you with an understanding of www.gravely.com for a list of safety instructions and controls during normal languages available for your operation and maintenance.
  • Page 3 Gravely authorized replacement part may adversely affect the performance, durability, or safety of this unit and may void the warranty. Gravely disclaims liability for any claims or damages, whether warranty, property damage, personal injury or death arising out of the use of unauthorized replacement parts.

  • Page 4: Safety

    SAFETY Safety alert symbols and signal words are used on decals and in this manual. WARNING: This cutting unit is Read and understand all safety messages. capable of amputating hands and feet and throwing objects. Failure to observe the safety instructions DANGER: IMMINENTLY in the manuals and on decals HAZARDOUS SITUATION! If not...
  • Page 5 SAFETY DECALS AND LOCATIONS ALWAYS replace missing or damaged Safety Decals. Refer to Figure 2 and Figure 3 for Safety Decal locations. 988153, 154, 155, 169 077541 Figure 2 EN - 5...
  • Page 6 988156, 157, 158, 159 077541 Figure 3 EN - 6...
  • Page 7 1. CAUTION! Keep hands away from all rotating or moving parts. WARNING: Over Filling may cause severe damage to evaporative system. • Never fill fuel tank when engine is running, hot or unit is Keep all guards and indoors. Never overfill shields in place.
  • Page 8 2.4 Tipping Hazard 4. DANGER! SERIOUS INJURY OR Discharge Hazard - DEATH MAY RESULT NEVER direct discharge FROM MACHINE toward people, pets or property. Thrown objects ROLLOVER can cause injury or damage. • Failure to follow these instructions could result in serious injury or death Dismemberment Hazard –...
  • Page 9 Read the entire Owner/Operator manual and EMISSION CONTROL SYSTEM other training material. If the operator or the This equipment and/or its engine may include mechanic cannot read the manual, it is the exhaust and evaporative emissions control owner’s responsibility to explain it to them. system components required to meet U.S.
  • Page 10 Read, understand, and follow all instructions ALWAYS remove key to prevent unauthorized in the manual and on the machine before use. starting. Understand: DO NOT operate in reverse unless absolutely • How to operate all controls necessary. ALWAYS backup slowly. ALWAYS look down and behind, before and while •...
  • Page 11 NEVER fill fuel tank when engine is running Explosive Gases! No flames, No sparks, No or hot from operation. smoking near battery. NEVER fill or drain fuel tank indoors. ALWAYS wear safety glasses and protective gear near battery. Replace fuel cap securely and clean up spilled fuel.

  • Page 12: Assembly

    ASSEMBLY Check Engine Oil Level Check Tire Pressure 1. Remove dipstick from tube by unscrewing it. Wipe it clean. CAUTION: Avoid injury! 2. Install dipstick and allow cap to rest on Explosive separation of tire and the end of tube. Do not tighten the cap. rim parts is possible when they 3.

  • Page 13: Controls And Features

    CONTROLS AND FEATURES 988156, 157, 158, 159 Figure 5 1. Throttle Lever 10. Left Control/Operator Presence Control (OPC) 2. Choke Control 11. Control Lever 3. Fuel Cap 12. Speed Control Adjustment Lock 4. Hydraulic Reservoir Cap 13. Battery (988157, 158, 159) 5.
  • Page 14 988153, 154, 155, 169 Figure 6 1. Operator Presence Control (OPC) Lever 13. Battery (988154, 155, 169) 2. Steering Lever Latch 14. Recoil Start Handle (988153) 3. Parking Brake 15. Hydraulic Pump Bypass Valves (See 4. Throttle Lever MOVING THE UNIT MANUALLY on page 21.) 5.
  • Page 15 NOTICE: Refer to Figure 5 and Figure 6 for Hour Meter the location of the various controls. Measures the Throttle Lever number of hours the Changes engine speed. engine has been run. Fast (1) – Increases engine speed. Forward Speed Control Levers (988153, 154, 155, 169) The speed control levers set Half Throttle –...

  • Page 16: Operation

    Never mix oil and gasoline. during one of these procedures, do not NOTICE: All gasoline is not the same. If the operate unit. See your Gravely Dealer for engine experiences starting or performance service. problems after using a new gasoline, switch to a different fuel provider or fuel brand.
  • Page 17 Test Operator Presence Safety Test Safety Interlock System Interlock System (988153, 154, 155, 169) (988156, 157, 158, 159) 1. Start engine. DANGER: SAFETY INTERLOCK SYSTEM FAILURE and improper 2. Move left control lever in to engage the operation of unit can result in death operator presence control switch.
  • Page 18 (988156, 157, 158, 159) 1. Adjust the safety bar halfway back and tighten the left side lever for moderate mowing speed. 2. Engage parking brake. 3. Move PTO/clutch switch to OFF position. 4. Move throttle lever to half-speed position. (988153, 154, 155, 169) NOTICE: The engine will not start unless the speed control levers are in neutral, the parking brake is On and the Power Take Off...
  • Page 19 IMPORTANT: Excessive engine idling can cause engine overheating and carbon build- 988156, 157, 158, 159 up leading to engine damage and poor performance. OPERATING UNIT CAUTION: Avoid injury! Learn the use of the control levers. Practice at half throttle until becoming proficient and comfortable with the operation of the unit.
  • Page 20 • To move straight forward; slowly release both steering levers to the full WARNING: Uncontrolled reverse outward position. travel can result in serious injury. Do not put steering levers into the reverse position unless you are prepared to operate in reverse. Speed control levers do not control OG1410 reverse.
  • Page 21 IMPORTANT: Transmission damage may MOVING THE UNIT MANUALLY occur if the unit is moved or towed incorrectly. • Move unit by hand only. CAUTION: With the bypass valves • Do not use another vehicle to move open, the unit will have unrestricted unit.

  • Page 22: Service And Adjustments

    SERVICE AND ADJUSTMENTS 3. Rotate handle assembly up or down to ADJUSTING PARKING BRAKE preferred height. See Figure 8. 4. Reinstall thumb knobs. Parking brake must contact the rear wheel and 5. Insert drive control rods into prevent the unit from moving when engaged. corresponding holes in pump brackets To adjust: (C).
  • Page 23 6. Drive unit forward, pushing both control ADJUST TRACKING levers (D) all the way to safety bar (A). (988156, 157, 158, 159) 7. Check unit tracking. 8. If unit does not drive in straight line, CAUTION: Avoid injury! Clear area adjustment is required.
  • Page 24 ADJUST SENSITIVITY AND ADJUSTING TRANSMISSION SPEED NEUTRAL POSITION (988156, 157, 158, 159) (988156, 157, 158, 159) 1. Park unit safely. (See PARKING on CAUTION: Avoid injury! Clear area page 20.) 2. Raise drive wheels off the ground and of all bystanders before performing securely support the unit and block this service procedure.
  • Page 25 ADJUST FORWARD TRACKING (988153, 154, 155, 169) 1. Start engine and run unit at full throttle. 2. Slowly push both speed control levers forward to the desired speed setting. 3. Slowly release both steering levers (on handlebars) to the full outward (down) position.
  • Page 26 STEERING CONTROL LEVER NEUTRAL ADJUSTMENT (988153, 154, 155, 169) Check Neutral 1. Move speed control levers fully forward. 2. Depress steering control levers and engage latches. 3. Pull speed control levers back fully to neutral position. Steering latch levers should release. Verify that cross shaft cams are in contact with steering control rods.
  • Page 27 ADJUSTING PUMP NEUTRAL POSITION See Figure 16. (988153, 154, 155, 169) 1. Park unit safely. (See PARKING on page 20.) 2. Shut off unit. 3. Check steering control lever neutral position. See STEERING CONTROL LEVER NEUTRAL ADJUSTMENT on page 26. CAUTION: Avoid injury! Unit must be safely supported on jack stands before removing or installing...
  • Page 28 CUTTING HEIGHT ADJUSTMENT Controls Assembly Mounting WARNING: ALWAYS block wheels, Hardware engage parking brake and know all jack stands are strong, secure and will hold weight of unit during maintenance. Cutting height can be adjusted from 1-1/2 – 4-1/2 in. (38 – 114 mm) using the height of cut (HOC) rods and washers supplied with the unit.
  • Page 29 HOC Rod Position (Front Shown) Figure 19 To adjust cut height: 1. Using the grab handle (A), raise the deck until the desired hole in the HOC rod (C) is above the top of the frame (F) HOC Rod Position (Rear Shown) and washer (E).
  • Page 30 ADDITIONAL CUTTING HEIGHT Desired Cut Number of Blade Bolt Height – In. Spacers on WARNING: Sharp edges can cut. (mm) Spindle Moving parts can cut off fingers or a 4.5 (114) Standard hand. Wrap blade(s), wear sturdy gloves and use extreme caution 4.75 (121) Short when servicing.
  • Page 31 SERVICE LUBRICATION 988153, 156 Grease Use a general all-purpose grease with an NLGI grade No.2 rating. Lubrication Points • Apply grease to caster wheel bearings (A) on both sides. • Apply grease to front caster wheel pivot bushings (B) on both sides. 988154, 155, 157, 158 Figure 25 Spray Lubricant...
  • Page 32 Engine Oil 988153, 154, 155, 169 Use oil viscosity based on the expected air temperature range during the period between oil changes. See the engine manual for correct specifications. Check Engine Oil Level See Figure 28. IMPORTANT: Avoid damage! Failure to check the oil level regularly could lead to serious engine problems if oil level is low: •...
  • Page 33 IMPORTANT: Avoid damage! To prevent extensive engine wear or damage, always maintain the proper engine oil level. Never operate the engine with the oil level belo w the ADD mark or over the FULL mark. 11. Refer to the Engine Manual and add recommended oil in the correct amount.
  • Page 34 Check and Clean Air Filter Elements CAUTION: Avoid injury! Touching hot surfaces can burn skin. The engine and components will be hot if the engine has been running. Allow the engine to cool before servicing. IMPORTANT: Avoid damage! Dirt and debris can enter the engine through a damaged filter element: •...
  • Page 35 3. Measure the length of the idler arm tension spring (A) between the inside edges of both end hooks. Length should • 988153: 4-5/8 in. ± 1/8 in. (11,7 cm ± 3 mm). • 988154, 155, 157, 158: 4-7/16 in. ± 1/8 in.
  • Page 36 Removing and Installing Mower Deck 988154, 155, 157, 158, 159, 169 Drive Belt (988153, 156) 1. Park unit safely. (See PARKING on page 20.) 2. Remove mower deck center belt cover. 3. Loosen nyloc hex nut (A) on top of idler pulley (B) until belt will fit between pulley and belt guide.
  • Page 37 Frame Mower deck shown with side discharge removed for illustration only. Figure 36 Removing Mower Blades See Figure 37. Bolt WARNING: Sharp edges can cut. Moving parts can cut off fingers or a Deck hand. Wrap blade(s), wear sturdy gloves and use extreme caution Figure 35 when servicing.
  • Page 38 Replacing Mower Blades DO NOT Sharpen To This Pattern 1. Install the spacers (A), blades (B) and bolts (C) on the spindle shafts. 2. Secure blades with a wooden block to prevent blade rotation. 3. Tighten blade bolts to a torque of 120 lbf-ft (163 N•m).
  • Page 39 3. Check balance. If blade is not balanced, heavy end of blade will drop. 4. Grind bevel of heavy end. Do not change blade bevel. Replacing Mower Spindle Bearings See Figure 41. 1. Park unit safely. (See PARKING on page 20.) NOTICE: The mower blade can remain attached to the spindle shaft for this procedure but may be removed if preferred.
  • Page 40 5. Install new idler pulley on top of existing Replacing Mower Deck Idler Pulley spacer and tighten nyloc hex nut. See Figure 42. 6. Check belt tension spring length See NOTICE: It is not necessary to remove spring Adjusting Deck Belt Tension on page 35. pressure to remove the idler pulley.
  • Page 41 B, C Figure 45 CLUTCH ADJUSTMENT Figure 44 See Figure 46. If clutch fails to engage or disengage properly Installation (988154, 155, 157, 158, or begins to make abnormal noise, check the air gap adjustment at the three inspection 159, 169) slots.
  • Page 42 Battery Safety CAUTION: Avoid injury! Battery electrolyte contains sulfuric acid. It is poisonous and can cause serious burns: • Wear eye protection and 1. Armature gloves. 2. Rotor • Keep skin protected. 3. Inspection Slot • If electrolyte is swallowed, 4.
  • Page 43 2. Slide back black cover (A) and disconnect negative (-) battery cable (B). See Figure 47. 3. Slide back red cover (C) and disconnect positive (+) battery cable (D). Figure 48 Installing Battery 1. Place isolator pad (I) in battery tray (H). Ensure that isolator pad is on the bottom and sides of battery tray.
  • Page 44 5. Install battery on unit See Installing Battery on page 43. Jump-Starting Gravely does not recommend jump-starting your unit. Jump-starting can damage engine and electrical system components. See the Engine Manual for more detailed information. 1. 20-Amp Fuse 2.

  • Page 45: Maintenance

    MAINTENANCE MAINTENANCE SCHEDULE Every 160 Hours or Monthly (Whichever Comes First) IMPORTANT: Operating in extreme conditions may require more frequent service • Grease spindle bearings. intervals: • Check transmission oil level. • Engine components may become dirty • Spray lubricate mower deck idler or plugged when operating in extreme pulley pivots.

  • Page 46: Storage

    STORAGE Short Term Fuel System Do not spray the unit with water, especially Gasoline left in the fuel system for extended when the unit is warm from operation. Water periods without a stabilizer will deteriorate, can seep into bearings and damage them. resulting in gum deposits in the system.

  • Page 47: Troubleshooting

    TROUBLESHOOTING Engine Problem Probable Cause Engine Will Not Start or Is Hard to Control levers not in the neutral position. Start Neutral position switches not depressed fully. Ignition switch not in proper position. PTO engaged. Fuel tank empty See FILLING FUEL TANK on page 16. Stale fuel.
  • Page 48 TROUBLESHOOTING Engine Engine Uses Too Much Oil Find and correct oil leaks. Incorrect engine oil. Plugged oil filter. Plugged air intake filter. Engine Backfires Through Muffler Throttle should be at low idle for several seconds before turning off unit. Leaking/damaged exhaust manifold gasket. High Fuel Consumption Improper type of fuel.
  • Page 49 Blades dull, bent or unblalanced. Remove belt shields and check for debris on sheaves. Check sheaves for proper alignment or damage. See your Gravely dealer. Mower Blades Do Not Engage Mower deck drive belt slipping or broken. Spindle drive belt slipping or broken.
  • Page 50 Pump bypass valves open. See MOVING THE UNIT MANUALLY on page 21. Pump drive belt damaged or worn. Wheel motor problems. See your Gravely dealer. Unit Creeps With Engine Needs control linkage adjustment. See ADJUSTING Running and Control Levers in a PUMP NEUTRAL POSITION on page 27.

  • Page 51: Accessories

    ACCESSORIES SERVICE PARTS Part No. Description Part No. Qty Description 79260500 36-in. Mulch Kit (988153, 156) 07200518 Belt, Blade Drive (988153, 156) 79260000 48-in. Mulch Kit (988154, 157) 07200519 Belt, Blade Drive 79260400 52-in. Mulch Kit (988155, 158) (988154, 157) 78805100 Two-Wheel Sulky 00181711 Belt, Blade Drive...

  • Page 52: Specifications

    SPECIFICATIONS 988153 988154 988155 988169 Model Number 36HR PG 48HE PG 52HE PG 61HE PG Description Kawasaki Kawasaki FS600V Kawasaki Engine FS481V FS691V Displacement – in. (cc) 36.8 (603) 36.8 (603) 42.2 (691) Starter Recoil Electric Electric See Engine Manual Fuel Tank Capacity –...
  • Page 53 SPECIFICATIONS 988156 988157 988158 988159 Model Number 36HR PS 48HE PS 52HE PS 61HE PS Description Kawasaki Kawasaki FS600V Kawasaki Engine FS481V FS691V Displacement – in. (cc) 36.8 (603) 36.8 (603) 42.2 (691) Starter Recoil Electric See Engine Manual Fuel Tank Capacity –...

  • Page 54: Warranty

    Commercial Mowing Equipment Limited Warranty Ariens Company (Ariens) warrants to the original purchaser that Ariens, Gravely and Countax brand products purchased on or after 1/1/2012 and designated or labeled commercial products by Ariens Company will be free from defects in material and workmanship for the time period noted in the chart below. Equipment put to personal use around a single household or residence is considered "Consumer Use";...
  • Page 55 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 warranty.
  • Page 56 Disclaimer Ariens Company may from time to time change the design of its products. Nothing contained in this warranty shall be construed as obligating the Ariens Company to incorporate such design changes into previously manufactured products, nor shall such changes be construed as an admission that previous designs were defective.
  • Page 58 GRAVELY 655 West Ryan Street Brillion, WI 54110 920-756-4688 Fax 920-756-2407 www.gravely.com WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.

This manual is also suitable for:

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