Nordson Reciprocator HF80 220

Power supply to the machine turned off

Upload a photo of the front safety guard removed

Junction box opened and encoder disconnected

Joint clamp near the encoder loosened and screws unscrewed

New encoder assembled on the support, shaft inserted into the hose of the joint and blocked with the relative clamp

Encoder connected to the junction box

Junction box and the front safety guard of the machine closed

Sign off on the encoder replacement

ATTENTION: to perform this maintenance two persons are necessary.

Turn off the power supply to the machine.

Remove the main panel by unscrewing the screws that fix it to the main structure.

Position and block the gun supporting-arm so as the counterweight is in line with the opening.

Unscrew the two+two nuts A of the rod and the two upper screws B, with a suitable wrench, so as to slacken the belt and remove it from the pulley.

Refer to Chapter 12.8 to remove all the counterweight plates.

Mark the belt (up and down) in order to locate the assembly position.

Power supply to the machine turned off

Rear door removed and trolley moved so that the counterweight slides up/down up the reach the opening

Enter the tension or slack of the belt

For the correct belt tension, see the diagram below

Parallelism between the upper and the lower counterweight plates checked

Sign off on the belt tension adjustment

Power supply to the machine turned off

Main panel removed by unscrewing the screws that fix it to the main structure 32

Screw that fix the limit switch group unscrewed and slid up to the required position. 33

ATTENTION: make sure that the electrical cable is correctly positioned.

Sign off on the stroke adjustment

Power supply to the machine turned off

Main panel removed by unscrewing the screws

Machine balanced for trolley to be in a useful position for the operator

Electric motor blocked by inserting a screwdriver into the inner cooling fan

Nuts that block the eccentric hubs of the sliding blocks loosened

Eccentric hub adjusted till the sliding block and the guide are in contact

Second hub adjusted in the same way

Two aforesaid operations repeated for better adjustment