Owner`s manual

16
© Copyright 2011, Hill Laboratories
Maintenance
Regular Maintenance
Your Hill AFT is practically maintenance free. There is no lubrication of
parts needed.
Trouble Shooting
Problem
The Pelvic Cushion cocks but does not stay up.
The drop pin has come out of it’s track.
To Fix:
1. Loosen the Pelvic Drop Tension Knob
enough to rotate the drop pin (see “A” in
drawing) so that the cross
pin (B) faces and engages
the bracket (C) as shown in
the photo and drawing
below. You may need to use
a flat head screw driver to
turn the pin from the bot-
tom. Once the pin is turned
into the bracket, retighten
the Tension Knob.
Problem
The Cervical Cushion cocks up but does not stay up.
The drop pin has come out of it’s L-bracket.
To Fix:
1. Loosen the Cervical Drop Tension
Knob enough to rotate the drop pin
(see “A” in photo) so that the spring
pin (B) faces and engages the
bracket (C) as shown in the photo .
Once the pin is turned into the
bracket, retighten the Tension Knob.
A
B
C
C
B
A
A
B
C