Cat 3126 Water Pump Belt Adjustment

Procedure to adjust the belt tension.

Cat 3126 water pump belt adjustment.

Exploded view of a water pump belt drive assembly. 2 remove bolt 2 and belt tensioner 1. I can t see the bolts to adjust. A serpintine read more.

Water pump belt adjustment. 2 install the drive belt. Safety cat com 3116 and 3126 marine engines maintenance intervals. This video describes and shows how to change a c7 3126 and c9 engine water pump.

The belt only runs the water pump. We use cookies to give you the best possible experience on our website. Slightly loosen mounting bolt 1 and adjusting bolt 3. If a new belt is installed check the belt adjustment again after 30 minutes of engine operation at rated speed.

Slightly loosen mounting bolts 1 and adjusting. These pumps are not hard to change but there are a few things to watch fo. 1 position belt tensioner 1 on the cylinder block. Use a breaker bar to release tension on belt tensioner 1.

The water pump belt was a direct replacement. Adjust the belt tension with a. I can t see the bolts to adjust. Try to align tach drive to crank centerline when reinstalling.

Water pump belt has a tensioner that can be released with two bolts. Number one pita for changing belts especially if belt guards and tach drive are installed. I don t know about the fan hub access in the 3126 but the one in my c 7 is held on with about 4 or 6 flat head allen drive screws. I need to tighten the water pump belt on a cat 3126 engine.

Install bolt 2. Do i have to tear the whole answered by a verified technician. Caterpillar 2020 all rights reserved. Remove the drive belt.

No magic answers just keep track of all the bolts washers and spacers. Do i have to tear the whole front end apart to get to them. Water pump belt illustration 17 g00426869 exploded view of the drive assembly for a water pump belt 1 mounting bolt 2 square hole 3 adjusting bolt 1. 1 use a breaker bar to release the tension on belt tensioner 1.