Case 1021F, 1121F Loader Manual
Loader Model: 1021F, 1121F
Publication Number: 47392461 & 47924630
1st edition English
July 2012 & November 2015
Format: PDF
Case 1021F, 1121F Loader Service Manual Tier 2 – 1659 Pages
Case 1021F, 1121F Loader Service Manual Tier 4B – 2119 Pages
Manual Table of Content:
- Introduction
- Engine
- Transmission
- Four Wheel Drive
- Front Axle
- Rear Axle
- Brakes and Controls
- Hydraulic System
- Steering
- Wheels
- Cab Climate Control
- Electrical System
- Plateform, cab, bodywork and decals
- Special Tools Index
- Electrical Schematics 1021F and 1121F
- Hydraulic Schematics 1021F and 1121F
Manual Extract: Parking brake control Button switch – Testing – Parking Brake Switch Troubleshooting
| Test Point | Expected Result | Other Result (Possible Cause) |
| Condition Turn the key switch ON. Check Measure the voltage from Parking Brake Switch pin 2 to chassis ground. | Result The voltage should be approximately 24 V. | Action The voltage is less than 10 V, there is a problem in the battery supply to the switch. Check fuse ECA-F6. Repair as required. |
| Condition Actuate the Parking Brake Switch. Check Measure the voltage from Parking Brake Switch pin 3 to chassis ground. | Result The voltage should be approximately 24 volts. | Action The voltage is less than 10 V, there is a problem in the Parking Brake Switch. Temporarily replace the switch and retest. |
| Condition Actuate the Parking Brake Switch. Check Measure the voltage from AIC connector pin 6 to chassis ground. | Result The voltage should be approximately 24 volts. Action Temporarily replace the Instrument Cluster and retest. | Action The voltage is less than 10 volts there is a problem in the signal wire from the switch to the AIC display. Repair as required. |
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