
C-82651 LOWER BACK EXTENSION MACHINE
ASSEMBLY INSTRUCTIONS
THIS UNIT REQUIRES (2) 9/16 WRENCHES, (1) 11/16 WRENCH, (1) TAPE MEASURE, (2) 3/4
WRENCHES AND (1) SET OF ALLEN WRENCHES FOR ASSEMBLY. DO NOT TIGHTEN
HARDWARE UNTIL INSTRUCTED TO.
SEE DRAWING #1
(1) PUSH (3) 2 X 4 FOOT ONTO BASE. ATTACH REAR UPRIGHT TO BASE WITH (2) 3/8 X 3
BOLTS, (1) 3/8 X 5 BOLT, (6) 3/8 FLAT WASHERS AND (3) 3/8 LOCKNUTS.
SEE DRAWING #1 AND #2
(2) SLIDE FRAME SOCKET ONTO FRAME. FASTEN WITH (1) "L" PIN AND (2) HAND KNOBS.
ATTACH FRAME TO BASE WITH (2) 3/8 X 3 BOLTS, (4) 3/8 FLAT WASHERS AND (2) 3/8
LOCKNUTS. ATTACH FRAME TO REAR UPRIGHT WITH (3) 3/8 X 3/4 BOLTS AND (3) 3/8 FLAT
WASHERS.
(3) ATTACH (2) SIDES TO (1) SOCKET WITH (4) 3/8 X 3 BOLTS, (8) FLAT 3/8 WASHERS & (4) 3/8
LOCK NUTS. TIGHTEN HARDWARE. PUSH (2) HANDLES ONTO ARM PAD MOUNT. PLACE ARM
PAD MOUNT OVER FRAME SOCKET, FASTEN WITH TURN POP PIN AND (1) HAND KNOB.
SEE DRAWING #3
(4) ATTACH HIP PAD MOUNT TO REAR UPRIGHT WITH (2) 3/8 X 3 BOLTS, (1) 3/8 X 3/4 BOLT,
(5) 3/8 FLAT WASHERS AND (2) 3/8 LOCKNUTS.
SEE DRAWING #1
(5) ATTACH (2) STRUT TO THE HIP PAD MOUNT WITH (4) 3/8 X 3 BOLTS, (8) 3/8 FLAT WASHERS
AND (4) 3/8 LOCKNUTS. SET UNIT ON LEVEL SURFACE AND TIGHTEN HARDWARE. USE BOLT
ON BOTTOM OF STRUTS TO LEVEL UNIT.
SEE DRAWING #1 AND #4
(6) ATTACH (2) PILLOW BLOCKS TO HIP PAD MOUNT WITH (4) 1/2 X 3 1/2 BOLTS, (8) 1/2 FLAT
WASHERS AND (4) 1/2 LOCKNUTS.
(7) PUSH (2) SWING ARM PINS THRU (2) PILLOW BLOCKS. INSTALL (2) TURN POP PINS INTO
SWING ARMS. PUSH (2) INSERTS INTO SWING ARMS. SET LENGTH WITH TURN POP PINS AND
(2) HAND KNOBS. REMOVE (4) COLLARS FROM WEIGHT BAR. PUSH BAR THRU ONE SWING
ARM, PLACE ON COLLAR ON WEIGHT BAR. PUSH (2) 4 X 8 CUSHIONS ON WEIGHT BAR.
PLACE ONE COLLAR ON WEIGHT BAR. PUSH WEIGHT BAR THRU OTHER SWING ARM.
MEASURE DISTANCE BETWEEN TOP AND BOTTOM OF SWING ARM. TIGHTEN ALLEN SCREWS