MD -800 SERPENTINE Maintenance And Service Manual

Chassis dynamometers

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S
ERVICE
M
MD-800 SERPENTINE
ODEL
C
D
YNAMOMETERS
M
AINTENANCE
A
ND
M
HASSIS
M
USTANG
ANUAL
Revision
Release Date
A
21 SEPT 18
D
YNAMOMETER
Initial
NK

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Summary of Contents for MD MD-800 SERPENTINE

  • Page 1 AINTENANCE ERVICE ANUAL MD-800 SERPENTINE ODEL HASSIS YNAMOMETERS Revision Release Date Initial 21 SEPT 18 USTANG YNAMOMETER...
  • Page 2 MD-800 S ODEL ERPENTINE YNAMOMETER ERVICE ANUAL Information in this document is subject to change without notice. No part of this document may be reproduced or transmitted in any form or by any means, electrical or mechanical, for any purpose, without the express written permission of Mustang Dynamometer.
  • Page 3 Neither the author of this manual nor the management and owners of Mustang Dynamometer shall have either liability or responsibility to any person or entity with respect to any loss or damages arising from the information contained in this manual. MD-800 S ODEL ERPENTINE AINTENANCE AND SERVICE...
  • Page 4 MD-800 S ODEL ERPENTINE YNAMOMETER ERVICE ANUAL WARRANTY LIMIT OF LIABILITY Mustang warrants that the product(s) that is the subject of this sale is free from defects in material. The duration of this warranty is one year from date of shipment on all Mustang-related components.
  • Page 5 CAUTION Removal and disassembly instructions in this manual have been reduced to a minimum for ease of readability. Only experienced maintenance personnel should attempt to install and/or make repairs to this machine. MD-800 S ODEL ERPENTINE AINTENANCE AND SERVICE...
  • Page 6: Table Of Contents

    1.3 O ................1-4 PERATIONAL AFETY SSUES 1.4 M ................1-5 AINTENANCE AFETY SSUES 1.5 E ..................1-6 NVIRONMENTAL 1.6 I ..................1-6 NSTALLATION 1.7 N .................... 1-6 AMEPLATE 1.8 I ................... 1-6 MD-800 S ODEL ERPENTINE AINTENANCE AND ERVICE...
  • Page 7 MD-800 S ODEL ERPENTINE YNAMOMETER ERVICE ANUAL MD-800 S ODEL ERPENTINE AINTENANCE AND ERVICE...
  • Page 8: Description

    Major system components include the dynamometer, and the control system. Major dynamometer components include the frame, rolls, wheelbase adjustment system, drive belt and Power Absorber Unit (PAU). Refer to Figure 2.1 for an illustration of the major components of the MD-800 Serpentine Dynamometer. MD-800 S...
  • Page 9: General Safety Issues

    MD-800 S ODEL ERPENTINE YNAMOMETER ERVICE ANUAL ENERAL AFETY SSUES Be Knowledgeable ... Do not attempt to operate, maintain or service your Mustang Chassis Dynamometer System until you have familiarized yourself with the equipment by reading the instructions in this manual.
  • Page 10: Maintenance Safety Issues

    NEVER, NEVER, NEVER! ... Never pull on the drive belt in order to spin the rolls. Check Tightness ... Make sure that all bolts on the dynamometer are tight and all couplings are properly secured. MD-800 S ODEL ERPENTINE AINTENANCE AND...
  • Page 11: Environmental Data

    Installation and mounting hardware are provided with every Dynamometer and shall be used regardless of a Pit or Floor mount installation. Hardware provided is 5/8 X 4.5” Thunderstud concrete anchors (MD# 20013614). Anchor stud holes should be located to match the holes in the mounting feet on the dynamometer frame.
  • Page 12 ECTION REVENTIVE AINTENANCE ONTENTS 2.1 I ....................2-3 NTRODUCTION 2.2 P ................2-5 REVENTIVE AINTENANCE 2.3 L ....................2-6 UBRICATION 2.4 I ..................... 2-8 NSPECTION MD-800 S ODEL ERPENTINE AINTENANCE AND ERVICE...
  • Page 13 MD-800 S ODEL ERPENTINE YNAMOMETER ERVICE ANUAL MD-800 S ODEL ERPENTINE AINTENANCE AND ERVICE...
  • Page 14: Introduction

    A Preventive Maintenance Time Table, Table 2.3, provides recommended service intervals. Preventive maintenance procedures follow. Figure 2.1 below identifies the major components of the dynamometer. AJOR YNAMOMETER OMPONENTS MD-800 S ODEL ERPENTINE AINTENANCE AND ERVICE...
  • Page 15 MD-800 S ODEL ERPENTINE YNAMOMETER ERVICE ANUAL Table 2.1 IST OF ECOMMENDED OOLS ITEM USE ON (2) 1-1/8-inch combination Brake Pad Replacement wrenches Idler Attachment bolts 15/16-inch socket 2 and 2-3/16-inch Pillow Block Bearing Bolts 15/16-inch wrench PAU Bracket Bolts...
  • Page 16: Preventive Maintenance

    Inspect Air Lines and Solenoid Valve • • Inspect PAU Load Cell Assembly • Inspect PAU Bearings • Inspect PAU Clearance • • Inspect Speed Sensors • Inspect and Clean Dynamometer • Inspect and Clean Pit MD-800 S ODEL ERPENTINE AINTENANCE AND ERVICE...
  • Page 17: Lubrication

    MD-800 S ODEL ERPENTINE YNAMOMETER ERVICE ANUAL UBRICATION CAUTION Bearings and couplings must be lubricated with recommended lubricants. Lubricants must be fresh and free from contamination. Failure to lubricate or to use incorrect or contaminated lubricants will result in reduced life expectancy and/or damage to bearings and couplings.
  • Page 18 UBRICATE DJUSTMENT SSEMBLY EARBOX The wheelbase adjustment gearbox is factory filled with long life lubricant. Under normal operating conditions no additional lubrication is required. Inspect gearbox for oil leaks when lubricating other items. MD-800 S ODEL ERPENTINE AINTENANCE AND ERVICE...
  • Page 19: Inspection

    MD-800 S ODEL ERPENTINE YNAMOMETER ERVICE ANUAL NSPECTION Table 2.4 Torque Chart Description Bolt Socket/Key Torque Size Size 1-1/2-inch Pillow Block Bearing 5/16- 5/32 Allen 140 inch-pounds. Set Screws 2-inch and 2-3/16-inch Pillow 3/8-24 3/16 Allen 250 inch-pounds. Block Bearing Set Screws...
  • Page 20 Using a torque wrench with a 15/16-inch socket, check that the three (3) bolts on each pulley are torqued to 135 foot-pounds. If bolts are loose, remove bolts, clean with brake cleaner, apply a few drops of Locktite 262, reassemble bolts and torque to 135 foot-pounds. MD-800 S ODEL ERPENTINE AINTENANCE AND...
  • Page 21 MD-800 S ODEL ERPENTINE YNAMOMETER ERVICE ANUAL Using a 5/16-inch Allen wrench, check to make sure all set screws in the pulley bushings are tight. If set screws are loose, remove, clean with brake cleaner, apply a drop of Locktite 262, insert set screws, and torque to 135 inch-pounds.
  • Page 22 0.020 and 0.030 inches. Verify that the secondary speed sensor is snug. Using feeler gauges verify that the spacing between the secondary speed sensor and the top of the speed gear teeth is between 0.020 and 0.030 inches. MD-800 S 2-11 ODEL ERPENTINE...
  • Page 23 MD-800 S ODEL ERPENTINE YNAMOMETER ERVICE ANUAL 2.4.15 I NSPECT AND LEAN THE YNAMOMETER RAME ONTROL Check to make sure the frame is level and shims and/or anchor bolts have not settled or moved. Level the dynamometer using steel shim stock as necessary.
  • Page 24 ECTION ROUBLESHOOTING ONTENTS 3.1 I ..................... 3-3 NTRODUCTION 3.2 T ..................3-3 ROUBLESHOOTING UIDE MD-800 S ODEL ERPENTINE AINTENANCE AND ERVICE...
  • Page 25 MD-800 S ODEL ERPENTINE YNAMOMETER ERVICE ANUAL MD-800 S ODEL ERPENTINE AINTENANCE AND ERVICE...
  • Page 26 Air solenoid Valve coil has failed. Check for +12 VDC across pins 8 and 9 of the I/O board in the Control Unit. Replace coil if necessary. Roll lock valve has failed. Replace valve. MD-800 S ODEL ERPENTINE AINTENANCE AND ERVICE...
  • Page 27 MD-800 S ODEL ERPENTINE YNAMOMETER ERVICE ANUAL ABLE ROUBLESHOOTING UIDE Problem Possible Cause Correction Roll Lock Fails to Raise (Continued) Power supply failing to operate Check all connections in both control properly. unit and solenoid valve cable. Repair or replace defective components if necessary.

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