Life Fitness Ab/Back Machine - Manual (Page 8)

8
Ab / Back
1. Assembly Instructions
13. Slide the metal ring of the WEIGHT STACK PIN (29) over the STEM on
the HEAD PLATE ASSEMBLY (15) as shown.
Screw the threaded end of the CABLE (8) into the STEM of the HEAD
PLATE ASSEMBLY far enough that the HEAD PLATE just begins to lift off
of the first WEIGHT PLATE. Then tighten jam nut SECURELY.
Apply WEIGHT STACK LABELS to the WEIGHT PLATES (14) and HEAD
PLATE ASSEMBLY. Begin with number one at the HEAD PLATE ASSEM-
BLY with larger numbers in consecutive order towards bottom of weight
stack.
14. SECURELY assemble the COUNTER WEIGHT (30) to the PIVOT ARM (N)
using two 3/8 X 33mm BOLTS (31), two 3/8" SAE WASHERS (3), two 3/8"
RH WASHERS (4) and two RH CAPS (7) as shown.
15. SECURELY assemble the LUMBAR PAD (32) to the SEAT FRAME (C)
using two M10 X 76mm BOLTS (50), two 3/8" SAE WASHERS (3), two
3/8" RH WASHERS (4) and two RH CAPS (7).
16. SECURELY assemble the SEAT PAD (34) and HANDLE (35) to the SEAT
FRAME (C) using one 3/8 X 76mm BOLTS (33), one 3/8 X 81mm BOLT
(36), one 3/8 X 73mm BOLTS (1), four 3/8" SAE WASHERS (3), four 3/8"
RH WASHERS (4) one 3/8" LOCK NUT (5) and four RH CAPS (7) as
shown.
17. SECURELY assemble the FOOT REST (37) to the SEAT FRAME (C) using
two 3/8 X 64mm BOLTS (38), two 3/8" SAE WASHERS (3), two 3/8" RH
WASHERS (4) and two RH CAPS (7) as shown.