Life Fitness Leg Extension User manual

Leg Extension
Assembly Instructions

Item
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
Qty
1
1
1
4
59
19
1
1
2
3
1
4
1
7
1
1
1
2
1
10
3
1
1
Tools Required:
O17mm Wrench ORubber Mallet
OMetric Allen Wrench Set ORatchet Extension
ORatchet with 17mm Socket OPhillips Screwdriver
Description
Front Brace
Rear Brace
Tower
M10 x 130mm Bolt
3/8” Flat Washer
M10 Nylock Nut
Main Pivot Frame
Hub Plate
M10 x 75mm Bolt
M10 x 70mm Bolt
Seat Frame
M10 x 90mm Bolt
Top Brace
M10 x 35mm Bolt
Left Handle
Right Handle
Spacer
Bearing
Workarm
M10 x 25mm Bolt
Plate
Bearing Housing Cap
Output Cam
Part Number
80176XX
80175XX
79854XX
3251720
3102514
3242002
80178XX
80089XX
3251712
3251711
80207XX
3251715
80180XX
3251704
80209XX
80208XX
7511503
3243201
80179XX
3251702
7322301
7922701
7998501
Leg Extension
Assembly Instructions
Item
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
Qty
1
1
6
1
1
4
1
2
1
1
1
1
1
1
1
1
1
2
1
2
4
1
Description
Output Plate
Output Ring
M10 x 45mm Bolt
Rear Shroud
Front Shroud
M10 x 20mm Bolt
Cam Guard
M5 x 10mm Phillips Screw
Seat Pad Lead Edge
Lead Edge Plate
Seat Pad
Shaft Collar
Roller Pad
Cable
Bearing Housing Cap
Counterweight
Cable Retaining Plate
M8 Hex Jam Nut
Output Cam Cover Plate
Foot Leveler Shim
1” Hole Plug
Multi-Language Label
Part Number
7998495
7998895
3251706
8024805
8024705
3251701
8013201
3239101
77678XX
80312XX
74015XX
7357901
73928XX
8017701
7308701
8008801
8001801
3247502
7998995
7893101
3237403
8047101

Leg Extension
Assembly Instructions
1. LOOSELY assemble the FRONT BRACE (1) and REAR BRACE (2) to the
TOWER (3) using four M10 X 130mm BOLTS (4), eight 3/8" SAE WASH-
ERS (5) and four M10 NYLOCK NUTS (6) as shown.
2Assemble the MAIN PIVOT FRAME (7) to the TOWER (3) using one HUB
PLATE (8) (as shown), two M10 X 75mm BOLTS (9), four 3/8" SAE
WASHERS (5) and two M10 NYLOCK NUTS (6) at the top of the MAIN
PIVOT FRAME. Use one M10 X 70mm BOLT (10), two 3/8" SAE WASH-
ERS (5) and one M10 NYLOCK NUTS (6) at the bottom of the MAIN
PIVOT FRAME. Tighten the BOLTS and NUTS securely.
3. LOOSELY assemble the SEAT FRAME (11) to the FRONT BRACE (1) and
REAR BRACE (2) using four M10 X 90mm BOLTS (12), eight 3/8" SAE
WASHERS (5) and four M10 NYLOCK NUTS (6) as shown.
4. LOOSELY assemble the TOP BRACE (13) to the SEAT FRAME (11) and
TOWER (3) using two M10 X 35mm BOLTS (14), four 3/8" SAE WASH-
ERS (5) and two M10 NYLOCK NUTS (6) at the SEAT FRAME and two
M10 X 70mm BOLTS (10), four 3/8" SAE WASHERS (5) and two M10
NYLOCK NUTS (6) at the TOWER as shown.
5. Tighten all BOLTS and NUTS securely.
6. Assemble the LEFT HANDLE (15) to the SEAT FRAME (11)
using two M10 X 35mm BOLTS (14), four 3/8" SAE WASH-
ERS (5) and two M10 NYLOCK NUTS (6). Tighten the
BOLTS and NUTS securely.
Repeat for the RIGHT HANDLE (16).

7. Insert the SPACER (17) and two BEARINGS (18) into the MAIN PIVOT
FRAME (7) and on the WORKARM (19) as shown. Secure it to the MAIN
PIVOT FRAME with one M10 X 25mm BOLT (20), one 3/8" SAE WASHER
(5) and one PLATE (21). Tighten the BOLT securely.
Insert the BEARING HOUSING CAP (22) as shown.

8. Assemble the OUTPUT CAM (23), OUTPUT PLATE (24), and OUTPUT
RING (25) using three M10 X 45mm BOLTS (26) and three 3/8" SAE
WASHERS (5) as shown. Tighten the BOLTS securely.
9. Assemble the REAR SHROUD (27) and FRONT SHROUD (28) to the
TOWER (3) using four M10 X 20mm BOLTS (29), four 3/8" SAE WASH-
ERS (5) as shown. Be sure all tabs along the sides and top of the
SHROUDS are fully engaged in the slots located inside the TOWER.
Tighten the BOLTS securely. Do not overtighten the BOLTS.
10. Secure the OUTPUT CAM ASSEMBLY (A) to the TOWER AXLE (B) using
one M10 X 25mm BOLT (20), one 3/8" SAE WASHER (5) and one PLATE
(21) as shown. Tighten the BOLT securely.
IMPORTANT: Be sure the OUTPUT CAM ASSEMBLY is oriented as
shown before securing it to the TOWER HUB.
11. Attach the CAM GUARD (30) to the FRONT SHROUD (28) using two M5
X 10mm PHILLIPS SCREWS (31). Tighten the SCREWS securely. Do not
overtighten the SCREWS.
Leg Extension
Assembly Instructions

12. Attach the SEAT PAD LEAD EDGE (32) and LEAD EDGE PLATE (33) to
the SEAT FRAME (11) using two M10 X 25mm BOLTS (20) and two 3/8"
SAE WASHERS (5). Tighten the BOLTS securely.
13. Attach the SEAT PAD (34) to the SEAT FRAME (11) using four M10 X
25mm BOLTS (20) and four 3/8" SAE WASHERS (5). Tighten the BOLTS
securely.
14. Slide the SHAFT COLLAR (35) over the long shaft of the WORKARM (19).
Slide the ROLLER PAD (36) over the long shaft of the WORKARM in simi-
lar fashion. Install one M10 X 35mm BOLT (14), one 3/8" SAE WASHER
(5) and one PLATE (21) to the end of the long shaft of the WORKARM as
shown. Tighten the BOLT securely.
Slide the SHAFT COLLAR against the ROLLER PAD and tighten the set
screw securely.
Insert the BEARING HOUSING CAP (38) onto the end of the ROLLER PAD
as shown.
15. Attach the COUNTERWEIGHT (39) to the WORKARM (19) using two M10
X 25mm BOLTS (20) and two 3/8" SAE WASHERS (5). Tighten the BOLTS
securely.
WARNING: The WORKARM (19) may rotate upward after the COUNTER-
WEIGHT (39) is attached.

©2006 Life Fitness, a division of Brunswick Corporation. All rights reserved.
Life Fitness is a registered trademark of Brunswick Corporation.
TCLE 6.1.06 8061001 RevA-2
Leg Extension
Assembly Instructions
NOTE: Some components have been removed from the illustration for
clarity.
16. Route the CABLE (37) beneath the CAM GUARD (30) and around the
OUTPUT CAM ASSEMBLY (A). Insert the remaining end of the CABLE
through the inner hole of the OUTPUT CAM ASSEMBLY.
Insert the CABLE RETAINING PLATE (40) over the end of the CABLE.
Install two 8mm HEX JAM NUTS (41) to the end of the CABLE.
Tighten the 8mm HEX JAM NUTS until the WORKARM begins to move
and all push pins still move in and out freely. Be sure the 8mm HEX JAM
NUTS are tight against each other.
17. Attach the OUTPUT CAM COVER PLATE (42) to the OUTPUT CAM
ASSEMBLY (A) using three M10 X 45mm BOLTS (26) and three 3/8" SAE
WASHERS (5). Tighten the BOLTS securely.
18. Place the unit in the intended place for use and check stability. If the unit
is not stable, the FEET (C) can be adjusted by inserting or removing sup-
plied SHIMS (43).
To add or remove SHIMS, loosen the LEVELING FOOT BOLT (D) and
NUT (6) until the desired SHIM(S) can be inserted or removed. Lightly
tighten the BOLT and NUT. Do not over-tighten the BOLT and NUT.
19. Install HOLE PLUGS in all open bolt holes.