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BRAKE SYSTEMS > TELMA RETARDER > Flashcards

TELMA RETARDER Flashcards

1
Q

WHERE IS THE TELMA RETARDER LOCATED

A

REAR AXLE

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2
Q

THE DRIVE SHAFT IS CUT, BALANCED AND ATTACHED TO ___ THAT REST NEAR THE RETARDER WITH A VERY___ CLEARANCE

A

TWO ROTARS

NARROW

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3
Q

ELECTROMAGNETS WITH ALTERNATE POLARITIES ARE LOCATED WHERE?

A

IN THE STATOR COILS

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4
Q

THE MAGNETIC FIELD CREATES WHAT TYPE OF CURRENT IN THE ROTARS TO OPPOSE ROTAR ROTATION AND SLOW THE DRIVELINE?

A

EDDY CURRENT

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5
Q

WHERE DOES RETARDING OCCUR?

A

DRIVE WHEELS

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6
Q

THE USES OF THE TELMA ARE?

A

DESCENDING GRADES
DRIVING IN CITY TRAFFIC
WHENEVER RETARDING IS REQUIRED

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7
Q

THE ___ SWITCH ACTIVATES OR DEACTIVATES THE SYSTEM

A

ON/OFF SWITCH

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8
Q

THE PRESSURE MANIFOLD IS CONNECTED TO THE __

A

BRAKE PEDAL

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9
Q

THE RETARDER WILL DEACTIVATE WHEN THE VEHICLE SPEED IS BELOW___

A

2-3 MPH

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10
Q

HOW MANY POSITION HANDLES ARE ON THE TELMA RETARDER

A

5

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11
Q

WHERE IS THE 5 POSITION HANDLE LOCATED

A

ON THE STEERING COLUMN

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12
Q

THE TELMA RETARDER HAS HOW MANY ACTIVATION LIGHTS?

A

4

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13
Q

__ PRESSURE ON THE BRAKE PEDAL BRINGS THE RETARDER ___ INTO OPERATION

A

SLIGHT

PROGRESSIVELY

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14
Q

WHAT IS THE PERCENTAGE OF EACH POSITION ON THE TELMA

A

25%
50%
75%
100%

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15
Q

HOW MANY PSI IS REQUIRED TO ACHIEVE 25% BRAKING EFFECT

A

3PSI

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16
Q

HOW MANY PSI IS REQUIRED TO ACHIEVE 50% BRAKING EFFECT

A

5PSI

17
Q

HOW MANY PSI IS REQUIRED TO ACHIEVE 75% BRAKING EFFECT

A

7PSI

18
Q

HOW MANY PSI IS REQUIRED TO ACHIEVE 100% BRAKING EFFECT

A

10PSI

19
Q

WHCIH POSITION AFTER STABILIZING THE VEHICLE OBTAINS THE NEST ENDURANCE

A

POSIOTION 2

20
Q

WHY IS IT IMPORTANT FOR THE RETARDER TO BE DEACTIVATED BEFORE COMING TO A COMPLETE STOP?

A

TO PREVENT A LARGE ELECTRICAL DRAW

21
Q

AT LOW SPEEDS THE TELMA IS VERY EFFECTIVE FOR SLOWING DOWN OR STOPPING AND REQUIRES LITTLE TO NO USE OF THE ___

A

SERVICE BRAKES

22
Q

CAN THE TELMA BE USED WHEN THE ABS IS ACTIVATED?

A

NO IT DEACTIVATES

23
Q

COMBINE THE USE OF THE TELMA WITH THE __TO BENEFIT FROM THE BRAKING EFFECT

A

TRANSMISSION

24
Q

DOES THE TELMA INCREASE OR DECREASE THE DRAW ON THE ELECTRICAL SYSTEM?

A

INCREASE

25
Q

HOW MANY AMPS DOES EACH STAGE DRAW

A

50-60 AMPS

26
Q

WHENA ALL 4 STAGES ARE ACTIVED THE TELMA DRAWS APPROX HOW MANY APMS?

A

250 AMPS

27
Q

OPERATORS SHOULD PAY ATTENTION TO WHAT PART OF THE APPARATUS WHEN THE TELMA IS BEING USED

A

CHARGING SYSTEM

28
Q

IF THE VOLTMETER DROPS BELOW NORMAL LEVELS YOU TURN OFF THE TELMA TOGGLE SWITCH AND____

A

CONSULT THE SHOPS

29
Q

HIGH IDLE SWITCH IS SET AT___

A

1000 RPM

30
Q

IN ORDER TO OPERATE THE FAST IDLE THE MAXI BRAKES MUST BE SET AND THE TRANSMISSION IN THE __POSITION

A

NEUTRAL

31
Q

WHAT SWITCH ALLOWS THE CHARGING SYSTEM TO REPLENISH THE BATTERIES

A

FAST IDLE

BRAKE SYSTEMS (3 decks)

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