Chapter Five – Maintenance Procedures – Litter
98
5.4 KNEE SECTION (CONTINUED)
CAM AND CAM GUIDE REPLACEMENT – HEAD AND KNEE MOTOR (FOWLER/GATCH CAM
AND CAM GUIDE KIT P/N 3000–300–709)
Required Tools:
5/16” Nut Driver 7/16” Nut Driver
Standard Screwdriver 7/16” Open End Wrench
KNEE MOTOR
B
C
D
A
C
D
HEAD MOTOR
Procedure: (This procedure will take approximately 30 minutes)
1. Unplug the power cord from the wall socket. Remove the motion interrupt panel (see page 95).
2. Remove litter access panels 1 and 2 (see page 93).
3. If the head motor cam and cam guide are being replaced, use a 5/16” nut driver to remove the screw (A)
holding the cam retention wire to the ball nut assembly.
If the knee motor cam and cam guide are being replaced, use a 7/16” socket and a 7/16” open end wrench
to remove the nut (B) holding the cam retention wire to the bed. (Do not remove the bolt).
4. Disconnect the cables (C) from the micro switches.
5. Using a 5/16” nut driver, remove the two screws (D) holding the cam and cam guide to the support bracket
and remove the cam and cam guide with the attached micro switches from the bed.
6. Reverse the above steps to install the replacement cam and cam guide/micro switch assembly.
7. If the head motor cam and cam guide were replaced, refer to page 102 for ”Limit Setting – Head Motor”.
If the knee motor cam and cam guide were replaced, refer to page 97 for ”Limit Setting – Knee Motor”.