Quick reference guide, Electrical testing, Air brake testing – IPA Tools 9008-SE Super MUTT Standard Edition User Manual

Page 8

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8

QUICK REFERENCE GUIDE

OPERATION AND TESTING

ELECTRICAL TESTING

1. CABLE TESTING: It is always recommended to use the cable tester to verify that

the MUTT

®

’s 7 round pin cable is in proper working order before trailer testing.

To perform the Cable Test, insert both ends of the 7 pin cable one in each receptacle

on the MUTT

®

’s side. Once the cable is installed, turn the MUTT

®

On to verify the

continuity between both ends of the cable. Look for the solid green light verifying

Ground Integrity and note if there are any green circuit LEDs blinking. Note that each

circuit is tested upon start up as well as ground fault check. Solid LEDs mean good

connection and blinking LEDs indicate an open circuit or poor continuity. The cable

tester can also be used to inspect all trailer cables.

2. GROUND INTEGRITY: When the MUTT

®

is first turned on, Ground Integrity and

Open Circuit checks are being performed. The green lights around the Control Knob

will blink and disappear one at a time until only the Ground Integrity light remains

solid green. When all the lights blink, it indicates a poor cable connection or bad

ground. Individual blinking lights indicate an open circuit. (Refer to pg. 11, K)

3. CIRCUIT PROBLEM INDICATION: As you turn the MUTT

®

Control Knob to test

each circuit, a steady green light verifies a properly working circuit. Refer to the three

red LEDs to the left of the Control Knob for circuit problem indication. These LEDs will

blink and the MUTT

®

will sound if there is a problem.

4. LOW DRAW LED TRAILERS: The MUTT

®

will identify any circuit drawing less than

100 mA as an open circuit. The trailer must have a minimum of two standard LED

pods on each circuit. ABS circuits using ABS computers are typically within the

threshold and do not require additional load.

5. CIRCUIT SELECTION: Circuits can be selected by pressing the Control Knob for

Auto Cycle mode, manually turning the Control Knob, or by using the remote control.

6. ALL CIRCUITS ON: All circuits can be turned on at one time by pressing/holding the

large remote button for 5 seconds. To cancel, press and release the large button on

the remote.

AIR BRAKE TESTING

(See detailed instructions on page 20-22)

1. AIR BRAKE TESTING: Turn the Power Source button to the desired power source.
2. LEAK DOWN TEST: To conduct leak down test on the Service and Emergency line

air circuits, open the Emergency Side ball valve to charge the circuit with air, then

close ball valve and note any pressure drop. Any pressure drop on the gauge is an

indication of a leak in the circuit. Repeat leak down test on the Service Side.

3. ACTUATE BRAKES: Push the selector switch to left, then by using the remote

control and in real time, actuate the brake servos. This feature allows you to see the

slacker adjustments and the push rod travel in real time.

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