DEWEZE 72 Operation & Service Manual
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DEWEZE 72 Operation & Service Manual

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  • Page 3 This page and cover : 800078...
  • Page 4 State of California to cause cancer, birth defects, and other reproductive harm. C DewEze Manufacturing 1998 The DewEze name and the ATM logo are registered trademarks of DewEze Manufacturing. All other brand and product names are trademarks or registered trademarks of their respective companies.

  • Page 5: Table Of Contents

    CONTENTS OPERATION AND SERVICE Introduction ..............2 Specifications ..............3 Safety section ..............4 Pre-start instructions ............5 Controls ................6 Driving guidelines ............7 Operating instructions ............7 Mower deck service ............9 Cutting height adjustment ..........10 Foot control adjustments ........... 11-12 Leveling adjustment ............

  • Page 6: Warranty Policy

    The obligation of DewEze Manufacturing under this warranty is expressly limited to our option, to replacement or repair at a service facility designated by DewEze or at the manufacturing plant in Harper, Kansas, of such part or parts as inspection shall disclose to have been defective.

  • Page 7: Introduction

    The objective of DewEze Manufacturing in the design of the ATM 72 was to create a mowing machine that can function safely and comfortably on slopes and inclines. The result is a mowing machine that will automatically adjust itself to keep the operator in a vertical position on all slopes up to 35 degrees.

  • Page 8: Specifications

    FILTERS, AIR FILTER ELEMENT .... DewEze 800033, Lister 602-41760 FILTERS, ENGINE OIL ........DewEze 800031, Lister 751-10620 FUEL, PRIMARY ....DewEze 800032, Lister 201-13118 (element) ..DewEze 800115, Lister 751-18100 (spin on) FILTERS, HYDRAULIC SUCTION ......DewEze 720043, Zinga AE10...

  • Page 9: Safety Section

    14. Slow down when turning downhill. Fast turns may not allow leveling system to function properly. 15. Safety decals on machine must be replaced if missing or illegible. Safety decals are available free of charge from DewEze. !!! WARNING !!! !!! DANGER !!! SLOW DOWN WHEN TURNING ON A HILL.

  • Page 10: Pre-Start Instructions

    PRE-START INSTRUCTIONS BEFORE STARTING: Be sure the engine is properly filled with oil and fuel. CRANKCASE OIL: Fill the crankcase with an oil that meets the API (American Petroleum Institute) service designation CE/SF. Do not mix brands or grades of motor oil. Recommended oil viscosity for expected temperatures are listed in the service schedule on page 14.

  • Page 12: Driving Guidelines

    DRIVING THE DEWEZE ATM72 Driving the DEWEZE ATM72 with the automatic leveling device will be a new and different experience. After several minutes of driving, the smooth control and sturdy feel will become comfortable to you. The security of always sitting upright, and the feel of powerful, positive traction will give you confidence and comfort in most mowing situations.

  • Page 15: Cutting Height Adjustment

    -10-...

  • Page 16: Foot Control Adjustments

    -11-...
  • Page 17 NEUTRAL START SPRING TENSION ADJUSTMENT The neutral start spring tension affects the amount of pressure required on the foot pedal. This pressure may be adjusted by adding or subtracting WASHER B as shown in Figure 4, page 11. Adding washers will require less pressure, and subtracting washers will require more pressure on the foot pedal.

  • Page 18: Leveling Adjustment

    -13-...

  • Page 19: Service Schedule

    SERVICE SCHEDULE DAILY Check fuel level ........... Use clean #2 Diesel. Check engine oil level ......... Use HD15-40 above 40 degrees F. Use HD10-40 at or below 40 degrees F. (HD15-40 SUPPLIED FROM FACTORY) Check hydraulic oil level ......Use HD15-40 or HD10-40 motor oil. (HD15-40 SUPPLIED FROM FACTORY) Clean engine air pre-filter and filter .....

  • Page 20: Filter Locations

    -15-...

  • Page 21: Lubrication

    -16-...

  • Page 22: Trouble Shooting

    TROUBLE SHOOTING SYMPTOMS POSSIBLE CAUSE 1. Difficulty starting a. Incorrect grade of fuel or oil b. No fuel in tank c. Choked fuel or oil filter d. Air lock in the fuel system e. Injector nozzle valve stuck open f. Fuel pump delivery valve scored g.
  • Page 23 TROUBLE SHOOTING (continued) SYMPTOMS POSSIBLE CAUSE 4. Dark Blue Smoke a. Piston rings worn b. Cylinder bore worn 5. Faint Blue Smoke a. Light load 6. Black Smoke a. Overload b. Choked air filter c. Inlet air temperature too high d.

  • Page 24: 11. Engine

    TROUBLE SHOOTING (continued) SYMPTOMS POSSIBLE CAUSE 10. Loss of engine a. Low oil level in the sump oil pressure b. Choked oil pump c. Badly worn crankshaft or big end bearings d. Oil pump failed e. Oil diluted with fuel f.
  • Page 25 TROUBLE SHOOTING (continued) SYMPTOMS POSSIBLE CAUSE 16. Leaking engine a. Too much oil in the sump oil seals b. Loss of crankcase vacuum 17. Noisy engine a. Low oil level in hydraulic tank operation b. Low hydraulic pressure c. Air leak in pump supply line 18.

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