1104781 EDGE-CUTTING Caterpillar parts
928G, IT28G
Rating:
Alternative (cross code) number:
CA1104781
110-4781
1104781
CA1104781
110-4781
1104781
Weight: 223 pounds 101 kg.
INTEGRATED TOOLCARRIER, WHEEL LOADER,
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Information:
Table 1
Direction Lever Switch Tests
(Red Meter Lead On Contact 8) (1) (2)    
Direction     Contact 10     Contact 12    
Forward     O     X    
Reverse     X     O    
Neutral     O     O    
( 1 ) O = No voltage measured
( 2 ) X = less than 1 DCV measuredExpected Result:The measurements match the chart.Results:
NO - The direction lever is faulty.Repair: Replace the lever. Stop.
YES - The measurements match the chart. Proceed to test step 2.Test Step 2. CHECK THE DIRECTION LEVER
Place the multimeter on the 200 ohm scale.
With one meter lead on contact 2, check the operation of the direction lever. Check all three positions.
The switches should operate according to the following chart.
Table 2
Direction Lever Switch Tests
(Either Meter Lead On Contact 2) (1) (2)    
Direction     Contact 9     Contact 11    
Forward     O     X    
Reverse     X     O    
Neutral     O     O    
( 1 ) Open (no continuity)
( 2 ) X Closed (continuity)Expected Result:The measurements match the chart.Results:
NO - The measurements do not match the chart. The direction lever is faulty. Repair: Replace the lever. Stop.
YES - The measurements match the chart. Proceed to test step 3. Test Step 3. CHECK THE HARNESS
Block the wheels of the machine so the machine cannot move.
Reconnect the direction lever to the cab harness.
Disconnect the control from the machine harness.
Turn the key switch to the ON position.
Do NOT start the engine.
Release the parking brake.
At the harness connector for the control, measure the voltage from contact 2 (ground) to contact 18 and to contact 19 for the direction lever. The positions are listed in the chart below.
Table 3
Direction Lever Harness Tests
Black Meter Lead On Contact 2 (1) (2)    
Direction     Contact 19     Contact 18    
Forward     O     X    
Reverse     X     O    
Neutral     O     O    
( 1 ) O No voltage measured
( 2 ) X Battery voltage measuredExpected Result:The measurements match the chart.Results:
NO - The harness is faulty.Repair: Repair the harness or replace the harness. Stop.
YES - Proceed to test step 4. Test Step 4. CHECK THE HARNESS
Place the multimeter on the 200 ohm scale.
Place one meter lead on contact 2.
Check operation in all three positions.
The switches should operate according to the following chart.
Table 4
Direction Lever Switch Tests
Either Meter Lead On Contact 2 (1) (2)    
Direction     Contact 16     Contact 17    
Forward     O     X    
Reverse     X     O    
Neutral     O     O    
( 1 ) O Open (no continuity)
( 2 ) X Closed (continuity)Expected Result:The measurements match the chart.Results:
NO - The harness is faulty.Repair: Fix the harness or replace the harness. Stop.
YES - Proceed to test step5.Test Step 5. CHECK IF THE FAULT REMAINS
Inspect the connector.
Reconnect the harness connector to the control.
Operate the machine in the forward mode.
Operate the machine in the reverse mode.
Stop the machine.
Enter the service mode.
Check
Caterpillar parts catalog:
Parts edge Caterpillar catalog:
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