EC-400 - Pallet Changer - Disassembly
1.
Remove the rotating door and the servo motor sheet metal cover.
2.
Unplug the electrical wires to the servo motor. Dismount the servo motor held to the umbrella
mount plate with four (4) SHCS.
3.
Remove the SHCS that hold the gearbox and the cycloid tube to the torque tube. Remove the
gearbox with the cycloid tube.
4.
If the cycloid hub must be removed from the gear box, cover the gear box hole to prevent contami-
nation.
5.
Unbolt the torque tube from the bearing cap and lift it off of the dowel pins.
6.
Unbolt the bearing cap and lift it off of the dowel pins, exposing the wave spring, four bearings, and
bearing spacer.
7.
Remove the two (2) hardstops from the H-frame.
9.
Remove the eight (8) SHCS that hold the H-frame to the hub. Carefully lift off the H-frame from the
dowel pins.
10. Lift the hub off of the APC shaft.
11. If the bearings need to be replaced, remove them from below the hub using a punch. If the bearings
are removed, replace them. Pack the new bearings with Moly grease.
12.
Remove the air cylinder per the instructions in the air cylinder removal section.
13. Lift the seal housing off of the bridge. The cam assembly is heavily greased and may be stuck
inside the seal housing.
14. Remove the cam assembly which consists of the cage and three (3) balls.
15. Unbolt and remove the lower cam.
16. Remove the SHCS from the shaft clamp.
17. Loosen the tapered shaft clamp by loosening the mounting screws. Remove the shaft clamp.
18. Remove the 5/8” SHCS from the shaft mount located on the bottom of the shaft. Remove the shaft
by lifting it straight up.
Reassemble the pallet changer in the order by which it was removed. Align the H-frame to the receiver pallet.
Refer to EC-400 - Pallet Changer - Alignment.
© Copyright 2015 by Haas Automation, Inc. No unauthorized reproduction.
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