Gravely 915 Mini-ZT Service Manual
  1. Manuals
  2. Brands
  3. Gravely Manuals
  4. Lawn Mower
  5. 915 Mini-ZT
  6. Service manual
Gravely 915 Mini-ZT Service Manual

Gravely 915 Mini-ZT Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

915 Mini-ZT
Service Manual
Models 915052, 915054, 915064
00460200 6/05
Printed in USA

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 915 Mini-ZT and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Gravely 915 Mini-ZT

Summary of Contents for Gravely 915 Mini-ZT

  • Page 1 915 Mini-ZT Service Manual Models 915052, 915054, 915064 00460200 6/05 Printed in USA...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Section 1 - Introduction ....1-2 6.2 Sharpening Mower Blade....6-17 6.3 Replacing the Pto Belt .

  • Page 3: Section 1 - Introduction

    SECTION 1 - INTRODUCTION 1.1 THE MANUAL Customer Note: If the dealer does not register your product, please fill out, sign, and return the product Before operation of unit, carefully and completely read registration card to Ariens. your manuals. The contents will provide you will an understanding of safety instructions and controls 1.4 UNAUTHORIZED REPLACEMENT during normal operation and maintenance.

  • Page 4: Section 2 - Safety

    SECTION 2 - SAFETY 2.3 SAFETY DECALS AND LOCATIONS ALWAYS replace missing or damaged Safety Decals. Refer to Figure 2 for Safety Decal locations. WARNING: This cutting machine is capable of amputating hands and feet and throwing objects. 2.4 SAFETY RULES Failure to observe the safety instructions in the If unit is to be used by someone other than original manuals and on decals could result in serious injury or...
  • Page 5 face and head from objects that may be thrown from Follow the manufacturer’s recommendations for wheel unit. Wear appropriate hearing protection. Always wear weights or counterweights to improve stability when safety goggles or safety glasses with side shields when using attachments. operating mower.
  • Page 6 A spark arrester, if it is used, must be maintained in ALWAYS keep protective structures, guards, and effective working order by operator. panels in good repair, in place and securely fastened. NEVER modify or remove safety devices. Fuel is highly flammable and its vapors are explosive. Handle with care.

  • Page 7: Section 3 - Specifications

    SECTION 3 - SPECIFICATIONS Model Number 915052 915054 915064 Model 1434 1540 1534 Engine Type Briggs & Stratton Kohler Engine Power - hp (kW) at Maximum 14 (10.4) 15 (11.5) Governed RPM (May be different from 3400 3375 maximum RPM) Speed Forward Max.

  • Page 8: Section 4 - General Maintenance & Adjustments

    SECTION 4 - GENERAL MAINTENANCE & ADJUSTMENTS 4.1 CONTROLS AND FEATURES 1. Ignition Switch 6. Fuel Tank 2. PTO Switch 7. Seat 3. Throttle Lever 8. Mower Lift Pedal 4. Parking Brake 9. Discharge Chute 5. Steering Levers 10.Mower Deck OE0009 Figure 2 4 - 7...

  • Page 9: Moving Unit Manually

    4.2 MOVING UNIT MANUALLY WARNING: DO NOT disengage or bypass transmission and coast downhill Disengage (2) transmission bypass levers to drive unit and engage (1) transmission bypass levers to push unit manually (Figure 3 ). 1. Fuel Cap OE0690 Figure 4 4.

  • Page 10: Mower Deck Removal And Installation

    ± 4.5 MOWER DECK REMOVAL AND • In the highest cutting position should be 4-1/2 in. ± 1/2 in. (5.1 cm 0.64 cm). INSTALLATION Remove (Figure 5 ) 1. Remove PTO belt from electric clutch (see Lowest Cutting Position Replacing PTO Belt). NOTE: Perform step 2 and 3 for the right and left side of unit.

  • Page 11: Hydrostatic Transmission Neutral Adjustment

    The Pitch Of The Mower Blades From Side-To- Side (Figure 8 ): • Should be within 1/4 in. (6.35 mm) as measured on each side of the mower deck. NOTE: This measurement must be taken when the mower blades ends are perpendicular (at a right angle) to the frame of the unit.

  • Page 12: Adjusting The Unit To Track Straight

    4.8 ADJUSTING THE UNIT TO TRACK STRAIGHT IMPORTANT: The unit should track within 2 feet (0.61 m) of a straight line for 30 feet (9.14 m). The travel of the steering levers may need adjustment • The unit turns to the right or left when both steering levers are pushed as far forward as possible.

  • Page 13: Adjusting The Parking Brake

    4.9 ADJUSTING THE PARKING BRAKE 1. Latch Link 2. Neutral Latch 3. Switch 4. Brake Adjustment Nut 5. Brake Link PE1260 Figure 12 4.10 ADJUSTING THE PARKING BRAKE When properly adjusted the parking brake will lock the linkage on both drives and activate the safety switch (Figure 13 ) The drive units should be properly adjusted for neutral.

  • Page 14: Section 5 - Engine

    SECTION 5 - ENGINE 5.1 ENGINE TROUBLESHOOTING The following troubleshooting chart is to be used to The troubleshooting key is generic and can be used for isolate engine problems and give possible causes and several types of engines. Use only those possible corrective action responses.

  • Page 15: Checking Engine Oil

    5.2 CHECKING ENGINE OIL 13.Check for leakage at the drain plug and oil filter if used. Tighten the fittings as necessary if leakage Check the engine oil daily prior to use. occurs. IMPORTANT: Never operate the engine with the oil 14.Release the parking brake.

  • Page 16: Engine Installation

    5. Remove the throttle and choke control from the engine. 6. Remove the electrical wiring from the engine (charge lead, starter cable, fuel solenoid lead, and magneto kill wire). 7. Remove fuel line from engine first. Drain fuel from line back into fuel tank. 8.
  • Page 17 915052 915054. 064 R ear of U nit PE1300 Figure 14 5 - 16...

  • Page 18: Section 6 - Mower Deck

    SECTION 6 - MOWER DECK 6.1 REPLACING MOWER BLADE 3. Check mower blade balance by sliding mower blade on an unthreaded bolt. If blade is balanced, it Remove (Figure 15 ) should remain in a horizontal position. If either end of mower blade moves downward, sharpen the heavy end until mower blade is balanced.
  • Page 19 3. Slowly release idler arm until idler pulley rests firmly against PTO belt. 4. Install belt covers on mower deck. 5. Remove PTO belt from mower deck and electric clutch. 1. Idler Spring 4. Idler Pulley 2. Electric Clutch 5. Idler Arm 3.

  • Page 20: Section 7 - Drive Train

    SECTION 7 - DRIVE TRAIN 7.1 HYDRO TRANSMISSION TROUBLESHOOTING The following troubleshooting chart is to be used to The troubleshooting key is generic and can be used for isolate hydro transmission problems and give possible several types of transmissions. Use only those causes and corrective action responses.

  • Page 21: Hydro-Gear Fluid Recommendations

    1. Dump Rod 2. Anchor Bolts PE1240 Figure 18 5. Release the transmission belt tension spring and remove the transmission belt from the input sheave 7.2 HYDRO-GEAR FLUID on top of the transaxles. RECOMMENDATIONS 6. Release the parking brake. The fluids used in Hydro-Gear transaxles have been 7.

  • Page 22: Replacing Hydrostatic Belt

    7.4 REPLACING HYDROSTATIC BELT Remove (Figure 19 ) 1. Remove PTO belt (See Replacing PTO Belt). 2. Disconnect Electric Clutch Connector from PTO. CAUTION: Use care when releasing idler spring tension. Keep body parts well away from idler when performing this operation. 3.

  • Page 23: Section 8 - Lift System

    SECTION 8 - LIFT SYSTEM 8.1 LIFT SYSTEM The mower pan lift system is a manual lift system controlled by the operator. Mower Lift Pedal Raises and lowers mower deck, Figure 20 . 1. Mower Lift 2. Adjustment Hole 1. Lift Rod 4.
  • Page 24 SECTION 9 - STEERING 8.3 STEERING CONTROLS NOTE: Perform steps 1 and 2 for both steering levers. 1. Remove mounting bolts and move handlebar up or Refer to Figure 23 for Steering. down until the steering levers are at the The steering controls should remain in the neutral appropriate height.

  • Page 25: Section 10 - Fuel System

    SECTION 10 - FUEL SYSTEM 10.1 FUEL SYSTEM TROUBLESHOOTING The troubleshooting key is generic and can be used for several types of transmissions. Use only those The following troubleshooting chart is to be used to possible causes and corrective actions that apply to the isolate fuel system problems and give possible causes unit.

  • Page 26: Fuel Pump

    10.2 FUEL PUMP 10.4 FUEL TANK The impulse style fuel pump is the most commonly The fuel tank is made of composite material for long life used fuel pump. Impulse fuel pumps may either be without breaking down from the additive used in mounted externally onto the carburetor fuel inlet or today’s blended fuels.

  • Page 27: Section 11 - Electrical

    SECTION 11 - ELECTRICAL 11.1 TOOLS 11.2 ELECTRICAL MEASUREMENTS There are some specialized tools and test equipment In many electrical circuits, there is some visible effect that are needed for electrical repair work. A brief which indicates that the circuit is functioning properly. A description of these follows.

  • Page 28: Battery

    Voltage Measurement 2. Connect positive (+) cable first, then negative (-) cable. There are two basic rules to be remembered when using a voltmeter. A voltmeter measures the voltage 3. Apply petroleum jelly or dielectric grease to battery difference between the test leads and the voltmeter is cable ends and terminals.

  • Page 29: Switches

    IMPORTANT: DO NOT fast charge. Charging at a Normally Open Switch higher rate will damage or destroy battery. To test a normally open switch (key, headlight, safety, IMPORTANT: ALWAYS follow information provided on or seat) connect the ohmmeter across the switch battery and battery charger.

  • Page 30: Solenoid And Relays

    connections are connected to the coil and carry the control current. To check the solenoid, disconnect the cables to the starter motor, turn the ignition switch to the start position, and listen for the solenoid to snap inside contacts closed. PE0771 If no snap is heard, check across the coils with a Figure 26...

  • Page 31: Diodes And Rectifiers

    11.8 DIODES AND RECTIFIERS armature onto the rotor with sufficient force to hold the two pieces together, effectively connecting the output Diodes are solid state, semiconductor devices. They and the input shafts together. Pulling the armature contain no moving parts and conduct current better in against the rotor pulls it away from the brake, releasing one direction than the other.
  • Page 32 Terminal L supplies battery voltage to the back of the Ignition switch check out: Battery voltage check in the PTO switch on the purple lead and on to the parking "off" position, check for voltage at terminal "B". It brake switch on the Red/Green lead. This circuit should not be present on terminals A, S, G, L, Y.
  • Page 33 PTO Relay Start Green/White 11.50-13.00 Volts 11.50-13.00 Volts Black/White Connected to ground when start relay energized Purple/White 11.50-13.00 Volts 11.50-13.00 Volts Not Used Not Used Purple 11.50-13.00 Volts 11.50-13.00 Volts Pins 85-86 coil resistance 87-100 ohms. pins 30-87 normally open. Pins 30-87A normally open. Contact resistance is 0.1-0.3 ohms when correct.

  • Page 34: Wiring Diagrams

    11.11 WIRING DIAGRAMS OPTIONAL Yellow / Parking Brake Switch OE0290 Figure 27 11 - 33...

  • Page 35: Electrical System

    11.12 ELECTRICAL SYSTEM 1. Clutch Switch 2. Relay 3. Switch Double Pole N.O./N.O. 4. Key Switch 5. Switch N.O. 6. Diode, Shell PE0200 Figure 28 11 - 34...
  • Page 36 11.13 CONTINUITY DIAGRAM OE0771 11 - 35...

  • Page 37: Section 12 - Mower Attachment

    SECTION 12 - MOWER ATTACHMENT 12.1 34" MOWER SPINDLE REMOVAL Models 915052, 064 1. Flanged Idler 2. Idler Arm 3. Sheave 4. Spindle Assembly PE1270 Figure 29 The spindles are assemblies that are replaced when 5. Remove the spindle sheaves and square key. worn.

  • Page 38: 40" Mower Spindle Removal

    12.2 40" MOWER SPINDLE REMOVAL Model 915054 1. Flanged Idler 2. Idler Arm 3. Sheave 4. Spindle Assembly PE0871 Figure 30 The spindles are assemblies that are replaced when 5. Remove the spindle sheaves and square key. worn. To remove the spindle assemblies: 6.

  • Page 39: Section 13 - Troubleshooting

    SECTION 13 - TROUBLESHOOTING TROUBLESHOOTING PROBLEM PROBABLE CAUSE CORRECTION Engine will not crank/ 1. Safety interlock system is not 1. Check safety interlock system (see start engaged or is faulty. Safety Interlock System). 2. Fuel tanks empty. 2. Fill fuel tanks (see Filling Fuel Tanks) 3.
  • Page 40 TROUBLESHOOTING PROBLEM PROBABLE CAUSE CORRECTION Unit moves with 1. The parking brake needs 1. Contact your Ariens Dealer. engine off and parking adjustment. brake engaged 2. Faulty parking brake. 2. Contact your Ariens Dealer. Unit does not travel in 1. Incorrect tire pressure. 1.
  • Page 41 ACCESSORIES SERVICE PARTS SEE YOUR AUTHORIZED Ariens DEALER TO ADD BE SURE TO ALWAYS USE GENUINE Ariens PARTS THESE OPTIONAL ACCESSOREIS TO YOUR UNIT. TO KEEP YOUR UNIT RUNNING LIKE NEW PART NO. DESCRIPTION PART NO. DESCRIPTION 71501200 Hour Meter Kit 51510000 Spindle Assembly 71502900...
  • Page 42 GRAVELY A Division of Ariens Company 655 West Ryan Street P.O. Box 157 Brillion, WI 54110-0157 920-756-2141 Fax 920-756-2407 www.ariens.com...

This manual is also suitable for:

915052915054915064

Table of Contents