Chapter Four – Maintenance Procedures – Base
81
4.6 LIFT UNIT (CONTINUED)
LIFT HOUSING REMOVAL AND REPLACEMENT
Required Tools:
Standard Screwdriver Phillips Screwdriver Bungee Cord (or equivalent)
5/16” Socket Wrench 9/16” Socket Wrench Needle–Nose Vise Grip Pliers
3/8” Open End Wrench Small Standard Screwdriver 5/16” Open End Wrench
Side Cutters 5/16” Nut Driver 7/32” Hex Allen Socket Wrench
3/16” Hex Allen Socket (w/ approx. 6” extension) Sawhorses (or equivalent)
Procedure: (This procedure will take approximately 1 hour)
1. Unplug the power cord from the wall socket. Remove lower lift cover (see page 67).
2. Remove upper lift cover (see page 67).
3. Remove litter access panel at end of bed needing service (see pages 93 & 94).
4. Remove lift motor and capacitor (see page 77).
5. Remove lift potentiometer (see page 89).
6. Using a 5/16” open end wrench, remove the cable clamps holding the power and sensor coil cords on top
of the lift housing assembly (reference screws (A) on page 92). Cut the cable ties and disconnect the coil
cords from underneath the lift housing. The power and sensor coil cords should now be free from the lift
housing assembly. Drape them up out of the way.
7. Using a 7/32” hex allen socket, remove the two screws (A) holding the lift screws to the header crossbar
plate.
CAUTION
The bed litter retracts on rollers. Secure it to prevent it from rolling while the procedure is being done.
A
HEAD END
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