Page 3
7. Position middle main frame (Item 17), left side back elbow and extension (Item 9), and right side back elbow and
extension (Item 10) as shown. Align locking mechanism in item 17 with square cutout in items 9 and 10 and slide
together until they lock. Repeat this procedure to assemble center main frame bar using items 11, 12, and 17.
9
Note:
Use a light oil such as WD-
40 to lubricate the bars to help
them slide together easier. Wipe
off any excess. Silicone may be
substituted but is not as eff ective.
10
17
Back
(preassembled)
Back
(preassembled)
Square cutout
Locking mechanism
8. Position middle main frame with pivot (Item 17a), left side front elbow and extension (Item 13), and right side
front elbow and extension (Item 14) as shown. Align locking mechanism in item 17a with square cutout in items
13 and 14 and slide together until they lock. Lubricate frame bars for best operation as shown in step 7.
13
14
17a
(preassembled)
(preassembled)
Square cutout
Locking mechanism
Note:
Use a light oil such as WD-40 to
lubricate the bars to help them slide together
easier. Wipe off any excess. A dry lubricant
with tefl on works very well.
Note:
This assembly is for the Front Main Frame Bar.
Note:
These two assemblies are for the Back and Center Main Frame Bars.
11
Center
(preassembled)
12
Center
(preassembled)
Small
lubrication
hole
