Coats 6401 Computer Truck Wheel Balancer User Manual

1601 J. P. Hennessy Drive, LaVergne, TN USA 37086-3565 615/641-7533 800/688-6359 Manual Part No.: 8144030 04HENNESSY INDUSTRIES INC. Manufactur

Unpack and Setup the Unit1. Install the two (2) hood springs.2. Mount hood using the three (3) hex bolts (3/8-16 UNC x 1"),matching hex nuts and

Connect to PowerYour factory trained COATS®Service Technician should do thefinal check to verify the power installation before connecting thebalancer

6 • COATS 6401 Truck Wheel BalancerDirect DriveOperating OverviewControl PanelKeypad - User enters information and selectsfunction using these keys.Wh

Selecting Balancing ModeFour balancing modes are available on the 6401. Select the bal-ancing mode based on wheel type and customer request. Pressthe

8 • COATS 6401 Truck Wheel BalancerReading the DisplaysWeight Displays - The two weight displays (one for the innerplane, and one for the outer plane)

COATS 6401 Truck Wheel Balancer • 9Direct DriveBalancing ProceduresMount WheelChoose the correct mounting method:1. Back Cone Mounting: Use only small

10 • COATS 6401 Truck Wheel BalancerDirect DriveWidth1. Press the width key. UseRim Width Calipers to measurewheel at points shown.2. Read thewidth re

Take Readings1. Weight and position readings will appear on displays asbalancer is braking tire.Attach Weight1. Rotate wheel until right (outer) red p

12 • COATS 6401 Truck Wheel BalancerDirect DriveBalancing WheelsTruck Dynamic1. Select Truck Dynamic mode using the keypad.2. Set distance gauge, whee

COATS 6401 Truck Wheel Balancer • 13Direct DriveWheel Mounting OptionsHubnut must engage threads for at least four full turns.Failure to tighten hubnu

ii • COATS 6401 Truck Wheel BalancerDirect Drive

Direct Drive14 • COATS 6401 Truck Wheel BalancerCombi Adapter (Optional)1. Determine the correct hole pattern by comparing the rim tothe adapter. Whee

Dayton AdaptersDayton Wheel Adapter (110785) - This adapter fits duplex rims(18 x 22.5 tires) for steering axles, and standard rims from 20"to 2

Special ProblemsCustomers will occasionally complain of vibration on the carafter balancing. Some possible causes are listed below:1. Beads improperly

COATS 6401 Truck Wheel Balancer • 17Maintenance andCalibrationPreventative MaintenanceThe balancer requires only minor maintenance tokeep the unit ope

8144030 04 10/09 © Copyright 2000 Hennessy Industries and COATS All Rights Reserved Printed in USA

COATS 6401 Truck Wheel Balancer • iiiTable of ContentsOperator Protective Equipment . . . . . . . . .ivOwner’s Responsibility . . . . . . . . . . .

Important InformationRubber Manufacturers Association1400 K Street N. W.Washington, DC 20005(202) 682-4800Tire Guides, Inc.The Tire Information Center

COATS 6401 Truck Wheel Balancer • vOwner’s ResponsibilityTo maintain machine and user safety, the responsi-bility of the owner is to read and follow t

vi • COATS 6401 Truck Wheel BalancerSafetyIMPORTANT SAFETY INSTRUCTIONSSAVE THESE INSTRUCTIONSREAD ALL INSTRUCTIONS1. Eye and face protection recommen

Before You BeginReceivingThe shipment should be thoroughly inspected as soon as it isreceived. The signed bill of lading is acknowledgement, by thecar

2 • COATS 6401 Truck Wheel BalancerDirect DriveSpecifications• Cycle time . . . . . . . . . . . . . . . . .12 seconds (avg.)• Max Tire Diameter . . .

COATS 6401 Truck Wheel Balancer • 3Installation and SetupA factory trained COATS®Service Technician must perform theinstall, setup, and initial test p