1. Manuals
  2. Brands
  3. Lastec Manuals
  4. Lawn Mower
  5. Articulator WZ400 Series
  6. Owner's manual

Lastec WZ400 Series Owner's Manual

Articulator
Hide thumbs Also See for WZ400 Series:
Table of Contents

Advertisement

Quick Links

Download this manual
The Articulator
Owner's Manual
WZ400 series
G3873
Manual number: MWZ400G3873

Advertisement

Table of Contents
loading

Related Manuals for Lastec WZ400 Series

Summary of Contents for Lastec WZ400 Series

  • Page 1 The Articulator Owner’s Manual WZ400 series G3873 Manual number: MWZ400G3873...
  • Page 2 © Lastec, 2023 Printed in the United States of America, all rights reserved. No part of this manual may be reproduced in any form by any photographic, electronic, mechanical or other means or used in any information storage and retrieval system without written permission from Lastec, LLC 8180 W.

  • Page 3: Table Of Contents

    TO THE OWNER Read This Manual BEFORE Operating ..........1-1 Product Registration ................1-1 Warranty Registration ................1-1 If You Need To Order Parts ..............1-1 Servicing The Lastec Mower..............1-2 2020 PRODUCT WARRANTY ............1-2 Component Manufacturers’ Warranties ..........1-3 SECTION 2 SAFETY INFORMATION Safety Symbols..................2-1 About This Section .................2-1...
  • Page 4 Bi-Annual ....................5-2 5.12 Maintenance Schedule ................5-3 5.13 Lubrication Points and Deck Belt Routing..........5-4 5.14 Urethane Bushings..................5-4 5.15 Hydraulic System Diagram (3873C ) ...........5-6 5.16 Electrical Information................5-7 Lastec 3873 Mower Specifications ............6-1 SECTION 7 ENGINE FAULT CODE G3873 11/13/23 Table of Contents...

  • Page 5: To The Owner

    These numbers can be found on the serial number plate/decal which is permanently affixed to the mower. You should now fill out the warranty registration form online at www.lastec.com. This form must be completed and returned to the factory within fifteen (15) days of purchase in order to validate the warranty. Please do not hesitate.

  • Page 6: Servicing The Lastec Mower

    Lastec Mower requires routine inspection, cleaning and maintenance. When servicing the Lastec Mower, be sure to use only genuine Lastec parts. Utilization of substitute parts will not only void the warranty, but may also cause unsafe or unsatisfactory operation of the Lastec Mower due to their substandard quality or incor- rect application.

  • Page 7: Component Manufacturers' Warranties

    All of the promises, warranties, guarantees and representations made by warrantor or its representatives that are not specifically contained herein are not included in this warranty. Component Manufacturers’ Warranties Some of the component parts of your Lastec Mower are warranted by their respective manufacturers. These parts include: Engine ...

  • Page 8: Safety Information

    The procedures listed in this manual may not include all ANSI, OSHA, or locally required safety proce- dures. It is the owner/operator’s responsibility and not Lastec to ensure all operators are properly trained and informed of all safety protocols. Owner/Operators are responsible for following all safety procedures when operating and performing maintenance to the Lastec Mower.

  • Page 9: Safety Guards And Covers

    Safety is a primary concern in the design and manufacture of all Lastec products. Unfortunately, our extensive efforts to provide safe equipment can be negated by a single careless act of an operator. In addition to the design of the mower, accident preven- tion is dependent upon the awareness and proper training of all personnel involved in the operation, transportation, mainte- nance, and storage of the mower.

  • Page 10: Maintenance Safety Rules

    Activate headlights and/or hazard lights whenever crossing or accessing any roadways, driveways, or parking lots. Watch for oncoming traffic. Maintenance Safety Rules DANGER! Disengage the blades, turn off the engine, set the parking brake, and remove the key before performing any maintenance or adjustments to your Lastec Mower. Lastec 11/13/23 Safety Information...

  • Page 11: Storage Safety Rules

    Remove all accumulated debris from the top and bottom of the deck before storing. Sand chipped or scratched areas and re-paint them to prevent rust during storage. Lubricate all moving parts of the drive unit and deck to prevent rust during storage. Safety Information Lastec 11/13/23...

  • Page 12: Use Caution When Working With Batteries

    6. Connect negative (-) cable to negative (-) terminal of assisting battery. WARNING! Make final connection of negative (-) cable to engine block of stalled vehicle, away from battery. 7. Start engine and remove cables in REVERSE order of connections. Lastec 11/13/23 Safety Information...

  • Page 13: Safety Decals And Symbols

    Safety Decals and Symbols FIG. 2-1 2.11 Safety Decals and Symbols The following safety symbols are used on your Lastec Mower. Operators should become familiar with these symbols and heed the warnings where they appear on your Lastec Mower. Attention.

  • Page 14: Hazard Identified Chart

    Moving parts Warning decals stating hazardous locations. Physical guards around such points. Clear warning in manual. Electrical shock Improper battery handling or jumping Instructions on battery handling from the Bat- tery Council International included in manu- als. Lastec 11/13/23 Safety Information...

  • Page 15: Initial Set-Up

    Refer to the Engine Operator’s Manual for proper instructions. Operator Seat Pan WARNING! Always clean the entire engine area and deck area of any excess grease, oil, fuel, or debris to prevent damage to the equipment, fire hazard, and projectile hazards. Initial Set-Up Lastec 11/13/23...

  • Page 16: Engine Oil

    1. Open by unlatching the filter housing. 2. Check that both filter elements are clean and free of debris. 3. Clean or replace if necessary. 4. Consult the Engine Operator’s Manual for the proper procedures and your Parts Manual for replacement filters. Lastec 11/13/23 Initial Set-Up...

  • Page 17: Hydraulic Fluid

    Incorrect fluid, inadequate fluid level, or contaminated fluid will cause damage to the hydraulic system. The hydraulic oil used in your Articulator is formulated to prolong the life of the hydro- static pumps. Lastec offers the following oil kits (system capacity is approximately 5 quarts).

  • Page 18: Towing (Hydrostatic Pump Release)

    If the belt you are checking is new, and the idler tensioner goes to its maximum or minimum stroke without adequately tightening the belt, it is likely you have installed the wrong size belt. See the Parts Manual or contact your Lastec dealer for the proper belt lengths for your Articula- FIG. 3-4 tor.

  • Page 19: Mower Deck Drive Belt

    If the belt you are checking is new, and the idler tensioner slides to its maximum stroke without adequately tightening the belt, it is likely you have installed the wrong size belt. See section 5 of this manual or contact your Lastec dealer for the proper belt lengths for your Articulator.

  • Page 20: Weight Transfer Springs

    4. Verify that the mount bolts are secure, the blades are sharp, and free of any nicks, cracks, or bends. 5. Replace any damaged, dull, cracked, or missing blades before operating your Articulator. Lastec also offers low-lift blades and mulching blades for certain mowing applications. Contact your Articulator dealer for further information about optional blades available.

  • Page 21: Mower Deck Height

    When you receive your Articulator, you will need to calibrate the mower deck height. 1. Park your Articulator on a flat, level surface. FIG. 3-7 2. Turn off the engine and set the parking brake before making any adjust- ments to your Articulator. Initial Set-Up Lastec 11/13/23...
  • Page 22 NOTE: The rear deck hangers are also adjustable. Hangers should have the same tension on both sides before adjusting the main turn- buckle. Adjust the eyebolt until the tension is even on both hangers, then snug down the jam nut. FIG. 3-11 Lastec 11/13/23 Initial Set-Up...

  • Page 23: Tires And Wheels

    Articulator. 2. Listen for any suddenly slows downs or accelerations, abnormal noises, rough running, or displays any other usual charac- teristics. 3. Stop the engine and correct the problem before operating your Articulator. Initial Set-Up Lastec 11/13/23...

  • Page 24: Hour Meter

    Articulator for tracking of maintenance schedules, job timing, billing, or other records. 3.23 Maintenance Checklists Complete the appropriate maintenance checklists in a timely manner. (See Section 5). 3-10 Lastec 11/13/23 Initial Set-Up...

  • Page 25: Operating Procedures

    Your Articulator is equipped with two hydrostatic pumps, one operating each rear drive wheel. These pumps are controlled sep- arately with each of the steering control arms (located to the left and right of the operator seat). Operating Procedures Lastec 11/13/23...

  • Page 26: Recommended Blades

    Blade will also help reduce cutter deck blowout during the conditions stated above. High-Lift Blade High-Lift Blade is recommended for cool season grasses and cut heights of 2” and above, unless in sandy conditions. These blades are shipped standard on all mowers. Lastec 11/13/23 Operating Procedures...

  • Page 27: Ground Speed

    To engage the blades, the operator-presence switch (located within the operator seat) must be activated. The activation of the operator-presence switch is activated when the operator is properly seated in the operator seat. Operating Procedures Lastec 11/13/23...

  • Page 28: Mule Pulley Adjustment

    Deck Height < 2” = Set the anti-scalp wheels to the top hole,  Deck Height 2” to 3” = Set the anti-scalp wheels to the center hole,  Deck Height > 3” = Set the anti-scalp wheels to the bottom hole.  Lastec 11/13/23 Operating Procedures...

  • Page 29: Maintenance

    Failure to complete the appropriate maintenance checklists at the proper time intervals will cause damage to your Las- tec Mower, unsafe operating conditions, substandard performance, and may void the warranty of your Lastec Mower! Warranty issues are dependent upon proper maintenance! Along with completing the Pre-Operation Equipment Inspection Checklist each time you operate your Lastec Mower, complete the following Maintenance Checklists at the indicated time intervals.

  • Page 30: Every 50 Operating Hours

    Change the hydraulic oil and filter.  Rotate tires.  5.11 Bi-Annual Replace fuel lines and clamps.  Replace radiator hoses and clamps.  Replace battery.  1. Refer to the Engine Operator’s Manual accompanying this manual. Lastec 11/13/23 Maintenance...

  • Page 31: Maintenance Schedule

    Maintenance Maintenance Schedule 5.12 Maintenance Schedule Maintenance Lastec 11/13/23...

  • Page 32: Lubrication Points And Deck Belt Routing

    The drive unit lubrications points are shown below. Lubricate every 8 hours of operation. The deck lubrications points and deck belt routing are shown below. Lubricate every 8 hours of operation. See Section 5.13 the deck belt part number. 5.14 Urethane Bushings CAUTION! Bolts holding urethane bushings must remain tight. Lastec 11/13/23 Maintenance...
  • Page 33 Maintenance Urethane Bushings Urethane bushings are used throughout all Lastec mowers in various applications, including (but not limited to) articulating deck hinges and rocker arms. In all cases, the bushings ride on spacers that fit between the rotating pieces of framework, held tightly in place with bolts.

  • Page 34: Hydraulic System Diagram (3873C )

    Hose Assembly, 1/2HPx26In ORFS 8 S90 072599 Hose Assembly, 3/8LPx16.5In ORFS 6 45 073096 Hose Assembly, 3/8LPx11.5In ORFS 6 45 073094 Hose Assembly, 3/8LPx10.5In ORFS 6 45 073419 Hose Assembly, 3/8LPx22.25In ORFS 6 90 073419 Hose Assembly, 3/8LPx22.25In ORFS 6 90 Lastec 11/13/23 Maintenance...

  • Page 35: Electrical Information

    Maintenance Electrical Information 5.16 Electrical Information Electrical Schematic See Section 4 Engine & Electrical in Parts Manual for complete information on wiring schematics and harnesses. Maintenance Lastec 11/13/23...

  • Page 36: Lastec 3873 Mower Specifications

    P620 Hydraulic Fluid Capacity 5 quarts Hydraulic Pump Drive Belt Goodyear BX54 026470 Lastec hydraulic fluid is equivalent to Mobile One Synthetic 15W50 Engine Specifications 38HP Engine (3873C) Kohler ECH980 air cooled Model Bore & Stroke 90 x 78.5mm / 3.5 x 3.1 in Total Displacement 999cc /61.0 cu in...
  • Page 37 Maintenance Engine Specifications Fuel Capacity 12 Gallons Air Filter Air Filter, Primary Element 046553 Air Filter Air Filter, Inner Element 046554 Battery Group U1 12V 340CCA, Ratings: 073079 CA@32°F=425; CCA@0°F=340 Refer to the Engine Operator’s Manual. Maintenance Lastec 11/13/23...

  • Page 38: Engine Fault Code

    Engine Fault Code SECTION 7 ENGINE FAULT CODE 11/13/23 Engine Fault Code...
  • Page 39 Engine Fault Code Engine Fault Code 11/13/23...
  • Page 40 Engine Fault Code 11/13/23 Engine Fault Code...
  • Page 41 Engine Fault Code Engine Fault Code 11/13/23...
  • Page 42 Engine Fault Code 11/13/23 Engine Fault Code...
  • Page 43 Engine Fault Code Engine Fault Code 11/13/23...
  • Page 44 Engine Fault Code 11/13/23 Engine Fault Code...

Table of Contents