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Chapter Five – Maintenance Procedures – Litter
107
5.5 HEAD SECTION (CONTINUED)
DRIVE SCREW AND BALL NUT REPLACEMENT – HEAD MOTOR
(FOWLER BALL SCREW KIT P/N 3000–300–707)
Required Tools:
1/4” Nut Driver
5/16” Nut Driver
7/16” Socket Wrench
Needle–Nose Pliers
7/16” Open End Wrench (2)
B
A
C
D
E
Procedure: (This procedure will take approximately 90 minutes)
1. Unplug the power cord from the wall socket.
2. Remove the head motor (see page 103) for access to the screw and ball nut.
3. Remove the head motor drive isolator and CPR decoupler (see page 105).
4. Using needle–nose pliers, remove the cotter pin holding the clevis pin to the drive screw ”wing” (A).
5. Remove the clevis pin and slide the wing and tapered roller bearing off the drive screw.
6. Using a 5/16” nut driver underneath the litter, remove the screw holding the cam retention wire (B) to the
ball nut assembly.
Summary of Contents for Secure 3000
Page 78: ...Notes 78 ...
Page 106: ...Notes 106 ...
Page 184: ...Notes 167 2 ...
Page 241: ...Appendix B Circuit Board Locations Bed Wiring Diagrams 222 This page intentionally left blank ...
Page 243: ...Appendix B Circuit Board Locations Bed Wiring Diagrams 224 This page intentionally left blank ...
Page 249: ...DH 3 94 3000 000 020 REV B 420 Alcott Street Kalamazoo MI 49001 ...