Case 1021F, 1121F Wheel Loader Service Manual Workshop Guide

Manual Included: Service Manual: 1659 Pages & 2119 Pages Specifications: Brand: New Holland Model: Case 1021F and 1121F Type: Wheel Loader Manuals: Service Manual Publication Numbers: 47392461 (July 2012) and 47924630 (November 2015) Language: English Format: PDF Description 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 Platform, 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. Identify the Tier Level of your Equipment (Read our Article on Tier Level )