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A U T O M A T E D U N D E R C A R R I A G E D I A G N O S T I C S

VIS-Check

is an undercarriage diagnostic system

that automates the inspection

of brake, steering and suspension components.

VIS-Check for Repair Shops:

Boosts service shop profitability

Finds otherwise undetectable repairs

Automates undercarriage diagnostics

Builds lasting customer loyalty

VIS-Check for Fleets:

Increases driver satisfaction

Lowers fuel and tire consumption

Improves vehicle safety & reliability

Accelerates maintenance activities

Low profile VIS-Check conveniently mounts on the

floor of a conventional service bay.

VIS-Check quickly detects:

Brakes

incorrect brake adjustment

compressor performance issues

air distribution problems

faulty slack adjusters

glazed or contaminated linings

damaged S cam components

drum out of round conditions

broken parking brake springs

unbalanced braking force

weak braking force

Steering & Suspension

worn tie rod ends and king pins

spring pins, shackles & hangers

worn bushings

shock absorbers

loose U bolts

air bag integrity

Frame & Chassis

weight distribution

axle load balance

worn engine mounts

damaged cab mounts

Other

detects high rolling resistance

finds loose wheel bearings

drive train problems

worn yokes / center bearings

loose exhaust mounts

System Overview

VIS-Check is a performance based brake tester (PBBT) combined with a dynamic road simulator.

The brake tester measures the braking force produced by each wheel on a vehicle, right to left and axle

by axle. It then produces a definitive report on the health of a vehicle’s brakes including a PASS or FAIL

rating to DOT specifications.

The road simulator allows technicians to view steering and suspension components under harsh

operating conditions. Otherwise undetectable mechanical issues are easily spotted on the VIS-Check

simulator.

V I S I O N , I N N O V A T I O N , S O L U T I O N

A B O U T I N S P E C T I O N P R O T E C T I O N

In 15 minutes, VIS-Check can verify peak vehicle performance or pinpoint safety and operating efficiency issues.

About VIS:

VIS-Check Peace-of-mind:

Identifies ride issues, reduces driver fatigue

Measures brake performance, confirms vehicle safety

Measures rolling resistance, improves fuel economy

Trouble shoots undercarriage, extends tire life

The VIS-Check Process

Step 1

Position the vehicle’s front tires on the VIS-Check rollers. VIS-Check determines brake performance

and measures:

axle weight per wheel

service brake air / hydraulic pressure

wheel rolling resistance

service brake release timing

service brake application timing

brake balance left to right

Step 2

Position the vehicle's front tires on the simulator plates. A hydraulic jack lifts weight off the wheels. The road simulator motions then reveal undercarriage flaws, including:

front axle steering linkage components

engine and chassis mounts

front axle suspension components

wheel bearing movement

Step 3

Position the vehicle’s rear tires on the VIS-Check rollers. VIS-Check determines brake performance and measures:

axle weight per wheel

service brake air / hydraulic pressure

wheel rolling resistance

service brake release timing

service brake application timing

brake balance left to right

Step 4

Position the vehicle's rear tires on the simulator plates. A hydraulic jack lifts weight off the wheels. The road simulator motions then reveal undercarriage flaws, including:

rear axle and suspension components

wheel bearing movement

driveline component integrity

fifth wheel components

chassis and body mounts

Step 5

Repeat the brake test and road simulation procedures for trailer or additional axles.

Step 6

Complete and print out the VIS-Check Safety and Efficiency report for all axles and wheel positions.

Since 1994 VIS has specialized in the implementation of workplace automation in heavy vehicle service shops.

By automating vehicle inspection and servicing, VIS customers achieve higher customer satisfaction and profitability from their existing resources.

See www.vischeck.net or call 1-866-847-8721 toll free for more information.

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