Dismantling and assembly of the pump of a cooling liquid

Turn out bolts of fastening of a pulley 5 (see fig. 28) and fan 7, remove them from the hub 2 Fix the pump cover in a vice, unscrew the fastening nuts and disconnect the housing. Device A.40026 (pic. thirty) press the impeller from the roller, and the hub with the puller A.4000 / 1/5.



After unscrewing the locking screw 6 (see fig. 28), remove the bearing 7 with the shaft and remove the stuffing box from the cover 11 using a conventional mandrel.

Assemble the pump in reverse order. Do not skew when installed in the stuffing box cover. Press the bearing with the roller so that the seat of the locking screw coincides with the hole in the pump cover. After tightening the bearing lock screw, caulk the contours of the screw so that it does not loosen.

Using tool A.60430 (pic. 32) press the pulley hub onto the shaft, maintaining the dimension (84,4±0,1) mm (see fig. 28), as well as the impeller, providing a size of 0.9-1.3 mm.