Check the condition of the alternator drive belt. If the drive belt is oily, clean the pulleys. Replace the drive belt, and retest the system.…
Author: sam
Verify that the alternator “B+” terminal nut is tight and verify that the wire has a good connection to the “B+” terminal. Many Caterpillar machines…
T2a – Undesired Electrical System Current – Test (For Machines Equipped With a Main Disconnect Switch) Turn off all of the accessories. Turn the keyswitch…
Ensure that the batteries are NOT fully charged. Fully charged batteries have open circuit voltage above 12.5 V on 12 V systems or 25 V…
CHECK THE SYSTEM VOLTAGE. Before you start the machine, connect a voltmeter between the “B+” terminal and the case of the alternator. Turn OFF all…
NOTE: Put LOCTITE No. 242 Adhesive/Sealant on outer bearing O.D. and housing bore before assembly. (1) Clearance between the water pump impeller face and front…
NOTE: Put LOCTITE No. 242 Adhesive/Sealant on outer bearing O.D. and housing bore before assembly. (1) Clearance between the water pump impeller face and front…
Remove Water Temperature Regulators Fluid Spillage Containment Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and…
Remove Water Temperature Regulators 1. Remove bolts (1). Remove elbow (2) and gasket from timing gear cover. 2. Remove water temperature regulators (3) from timing…
9N5121 Temperature when completely open … 92°C (198°F) (1) Minimum completely open distance … 37.85 mm (1.490 in) 102-8392 Temperature when completely open … 94°C…