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4.1 Automatic Locking Differential (ASD)   >   32 Hydraulic Test Program - Preparation for Test

Preparation for Test 1. Ignition: OFF 2. Check oil level in oil reservoir, correct if necessary. 3. Release system pressure. 4. Connect the pressure gauge to pressure relaese screw on hydraulic unit according to connection diagram. Note: Checking hydraulic pump: Model 129: 3.1 32 (ADS) Model 124, 201: See SMS, Job No. 32-0530