Mach III Clutch X7C2R-21H, X7C2R-21HCA, X7C2R-21HSS - Manual (Page 3)

7/9/2013 CLUTCHBR_NEMA_MANUAL Page 3 of 4
CAP SCREWS
CAP SCREW
O-RING
FRICTION DISC
DRIVE DISC
FLAT HEAD SCREW
SPRING
CAP SCREW
SET SCREW
ACCESS
SET SCREW
SPACER
PISTON ASSEMBLY
PIN
V. Parts diagram
Repair Kit:
Part number = Clutch- Brake Product Number + “-RPRK” (e.g. X5C2R-56H-
RPRK, X5C2R-56HCA-RPRK, Etc.).
Additional
Parts: Contact Mach III to obtain a complete listing of additional parts kits available for
your specific clutch. Please reference product number when calling or e-mailing.
Repair
services: Factory repair is available. A return materials authorization (RMA) number must
be obtained prior to sending any unit in for repair.
VI. Repair Kit Installation Procedure
Tools Required
Hex Wrench Set
Compounds Required
Grease
O-ring Lubricant
Anti-Seize Lubricant (for re-installation)
A. CLUTCH & BRAKE FRICTION DISC, O-RING & SPRING REPLACEMENT
(1) Remove clutch-brake from shaft and place in vertical position with output shaft facing
up.
(2) Remove cap screws from case.
(3) Remove top half of assembly and place on bench with output shaft facing down.
(4) Remove cap screws from drive disc in a uniform manner. The drive disc is under
pressure from the springs.
(5) Remove the drive disc and set aside.
(6) Remove flat head screws from friction discs and remove.
(7) Remove cap screws from spacer in a uniform manner. The spacer is under pressure
from the springs.
(8) Remove springs and piston assembly consisting of piston, bearing, and cone.