Life Fitness Home Gym 8105 User Manual

8105 SMITH PRESS  
ASSEMBLY INSTRUCTIONS  
Part # 6787901  
1
Revision: 06/18/98  
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PARTS LIST  
KEY PART #  
DESCRIPTION  
BEARING HOUSING  
SAFETY STOP  
QTY  
KEY PART #  
DESCRIPTION  
1/2 X 4-1/2” BOLT  
1/2 X 4” BOLT  
QTY  
8
1
2
6712002  
6711402  
6711203  
6708901  
6711601  
6711701  
6710201  
6710102  
6710503  
6710403  
6787301  
6709001  
6709901  
6709603  
6675501  
2
2
1
2
1
1
1
2
1
1
1
2
2
2
6
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
3102937  
3102917  
3102933  
16  
2
3
LOWER SUPPORT  
SLEEVE ASSEMBLY  
LEFT SAFETY HOOK  
RIGHT SAFETY HOOK  
SMITH BAR  
3/8 X 2” BOLT  
4
3103003 5/8 X 1-1/4” SHOULDER BOLT  
2
5
3102502  
3102801  
3102802  
3203001  
3203002  
3202901  
6708501  
3116101  
6714501  
6695801  
1/2” WASHER  
1/2” LOCK NUT  
18  
24  
2
6
7
3/8” LOCK NUT  
8
BAR STOP  
2” SHAFT COLLAR  
1” SHAFT COLLAR  
1-1/2” THRUST BEARING  
CABLE ASSEMBLY  
4-1/2” PULLEY  
2
9
LEFT UPRIGHT  
4
10  
11  
12  
13  
14  
15  
RIGHT UPRIGHT  
UPPER SUPPORT  
CHROME ANGLE  
80” GUIDE ROD  
COUNTER WEIGHT  
PLATE HOLDER  
2
2
2
8 X 1” GLIDE  
4
2-1/2” OD RUBBER BUMPER  
2
26  
28  
14  
28  
FIGURE 1  
STEP 1:  
SECURELY thread one end of the CABLE ASSEMBLY (26) into each of the two COUNTER WEIGHTS (14) as shown in FIGURE 1.  
Attach two 8 X 1” GLIDES (28) to both ends of two COUNTER WEIGHTS (14) as shown in FIGURE 1.  
1/2  
1/2  
1/2  
1/2  
1/2  
1/2  
0
1
3
4
5
2
6
3
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14  
14  
9
10  
FIGURE 2  
STEP 2:  
• CAREFULLY lower one COUNTER WEIGHT (14) down into the LEFT UPRIGHT (9) & RIGHT UPRIGHT (10) until it bottoms  
out as shown in FIGURE 2.  
1/2  
1/2  
1/2  
1/2  
1/2  
1/2  
0
1
3
4
5
2
6
4
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1/2 X 4-1/2” 16  
15  
3
21  
9
10  
1/2 X 4-1/2” 16  
15  
FIGURE 3  
STEP 3:  
LOOSELY assemble the LOWER SUPPORT (3) and two PLATE HOLDER (15) to the LEFT & RIGHT UPRIGHTS (9& 10)  
using four 1/2 X 4-1/2” BOLTS (16) and four 1/2” LOCK NUTS (21) as shown in FIGURE 3.  
5
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21  
20  
10  
15  
1/2 X 4” 17  
9
FIGURE 4  
STEP 4:  
SECURELY assemble four PLATE HOLDERS (15) to the LEFT & RIGHT UPRIGHTS (9 & 10) using eight 1/2 X 4” BOLTS  
(17), eight 1/2” WASHERS (20), and eight 1/2” LOCK NUTS (21) as shown in FIGURE 4.  
1/2  
1/2  
1/2  
1/2  
1/2  
1/2  
0
1
3
4
5
2
6
6
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16 1/2 X 4-1/2”  
21  
12  
9
10  
12  
21  
20  
1/2 X 4” 17  
FIGURE 5  
STEP 5:  
LOOSELY assemble two CHROME ANGLES (12) to the top of the LEFT & RIGHT UPRIGHTS (9 & 10) using four 1/2 X 4-1/  
2” BOLTS (16), and four 1/2” LOCK NUTS (21) as shown in FIGURE 5. (NOTE: MAKE SURE CABLE IS BETWEEN THE  
TWO BOLTS.)  
LOOSELY assemble the CHROME ANGLES (12) to the bottom of the LEFT & RIGHT UPRIGHTS (9 & 10) using four 1/2 X  
4” BOLTS (17), four 1/2” WASHERS (20), and four 1/2” LOCK NUTS (21) as shown in FIGURE 5.  
7
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CABLE  
BOLT  
20  
21  
11  
21  
20  
17 1/2 X 4”  
FIGURE 6  
STEP 6:  
LOOSELY assemble UPPER SUPPORT (11) to the LEFT & RIGHT UPRIGHTS (9 & 10) using two 1/2 X 4” BOLTS (17)  
two 1/2” WASHERS (20) and two 1/2” LOCK NUTS (21) as shown in FIGURE 6. (NOTE: MAKE SURE CABLE IS  
INSIDE OF THE 1/2” BOLT AS SHOWN IN DETAIL.)  
1/2  
1/2  
1/2  
1/2  
1/2  
1/2  
0
1
3
4
5
2
6
8
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BOLT  
CABLE  
11  
27  
22  
21  
20  
18 3/8 X 2”  
17 1/2” X 4”  
26  
FIGURE 7  
STEP 7:  
Loop CABLE ASSEMBLIES (26) around the 4-1/2” PULLEYS (27) and route CABLE ASSEMBLY (26) back through  
UPPER SUPPORT (11) as shown in FIGURE 7.  
SECURELY assemble the 4-1/2” PULLEYS (27) to the UPPER SUPPORT (11) using two 3/8 X 2” BOLTS (18) and two 3/8”  
LOCK NUTS (22) as shown in FIGURE 7.  
Finish the assembly of the UPPER SUPPORT (11) to the LEFT & RIGHT UPRIGHTS (9 & 10) using two 1/2 X 4” BOLTS  
(17), two 1/2” WASHERS (20), and two 1/2” LOCK NUTS (21) as shown in FIGURE 7. (NOTE: MAKE SURE CABLE IS  
INSIDE OF THE 1/2” BOLT AS SHOWN IN DETAIL.)  
SECURELY TIGHTEN ALL LOOSE BOLT CONNECTIONS MADE TO THIS POINT.  
9
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11  
13  
BUSHING  
FIGURE 8  
STEP 8:  
Insert two 80” GUIDE RODS (13) through the BUSHINGS in the UPPER SUPPORT (11) and out through the top, then lower  
the GUIDE RODS (13) down into the BUSHING on the BASE of the UPRIGHTS (9 & 10) as shown in FIGURE 8.  
1/2  
1/2  
1/2  
1/2  
1/2  
1/2  
0
1
3
4
5
2
6
10  
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5
24  
2
6
25  
25  
2
24  
RIGHT  
LEFT  
FIGURE 9  
STEP 9:  
Slide one 1-1/2” THRUST BEARING (25), one RIGHT SAFETY HOOK (6), and one 1” SHAFT COLLAR (24) over the  
SAFETY STOP (2) as shown in FIGURE 9.  
Slide one 1-1/2” THRUST BEARING (25), one LEFT SAFETY HOOK (5), and one 1” SHAFT COLLAR (24) over the  
SAFETY STOP (2) as shown in FIGURE 9.  
Using a 3/16” Allen wrench, tighten each set screw on the 1” SHAFT COLLARS (24). See FIGURE 9.  
8
1
8
1
FIGURE 10  
STEP 10:  
Slide one BAR STOP (8) over each BEARING HOUSING (1) as shown in FIGURE 10.  
11  
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29  
23  
1
4
4
1
23  
29  
LEFT  
RIGHT  
FIGURE 11  
STEP 11:  
Slide one BEARING HOUSING (1), one 2” SHAFT COLLAR (23), and one 2-1/2” OD RUBBER BUMPER (29) over each  
SLEEVE ASSEMBLY (4) as shown in FIGURE 11.  
Using a 1/4” Allen wrench, SECURELY tighten each set screw on the 2” SHAFT COLLARS (23). See FIGURE 11.  
7
19  
4
1
4
5/8 X 1-1/4” 19  
1
DETAIL 12  
7
1
4
19  
FIGURE 12  
STEP 12:  
Slide one BEARING HOUSING (1) & SLEEVE ASSEMBLY (4) over each end of the SMITH BAR (7) as shown in FIGURE  
12.  
Using a 5/16” Allen wrench, SECURELY tighten the SLEEVE ASSEMBLIES (4) to the SMITH BAR (7) with two 5/8 X 1-1/  
4” SHOULDER BOLTS (19). See DETAIL 12.  
1/2  
1/2  
1/2  
1/2  
1/2  
1/2  
0
1
3
4
5
2
6
12  
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13  
24  
BUSHING  
1
HOOK  
7
24  
1
BUSHING  
HOOK  
FIGURE 13  
STEP 13:  
Lift up each GUIDE ROD (13) and slide one 1” SHAFT COLLAR (24) over the bottom of each GUIDE ROD (13). Position 1”  
SHAFT COLLAR (24) half way up the GUIDE ROD (13) and tighten it using a 3/16” Allen wrench. See FIGURE 13.  
Lift up each GUIDE ROD (13) and insert them through each BEARING HOUSING (1) on the SMITH BAR ASSEMBLY (7)  
then seat GUIDE RODS (13) back into the BUSHINGS in the BASE of the UPRIGHTS (9 & 10). See FIGURE 13.  
Lift up on the SMITH BAR ASSEMBLY (7) and lock the HOOKS of the SMITH BAR ASSEMBLY (7) onto the CHROME  
ANGLES (12). See FIGURE 13.  
13  
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13  
HOOK  
8
BUSHING  
HOOK  
8
BUSHING  
FIGURE 14  
STEP 14:  
Lift up on each GUIDE ROD (13) and slide the RIGHT & LEFT BAR STOP ASSEMBLIES (8) over the bottom of each  
GUIDE ROD (13) onto their respective sides then lock the HOOKS of the BAR STOPS (8) onto the CHROME ANGLES (12)  
then seat GUIDE RODS (13) back into the BUSHINGS in the BASE of the UPRIGHTS (9 & 10). See FIGURE 14.  
1/2  
1/2  
1/2  
1/2  
1/2  
1/2  
0
1
3
4
5
2
6
14  
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TIGHTEN!  
13  
TIGHTEN!  
FIGURE 15  
STEP 15:  
Loosen each 1” SHAFT COLLAR (24) and slide each one up firmly against the BUSHINGS of the UPPER SUPPORT (11).  
See FIGURE 15.  
Using a 3/16” Allen wrench, SECURELY tighten each set screw on the 1” SHAFT COLLARS (24). See FIGURE 15.  
15  
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26  
20  
8
FIGURE 16  
STEP 16:  
SECURELY assemble threaded end of CABLE ASSEMBLIES (26) into the BEARING HOUSINGS (1) using one 1/2”  
WASHER (20) on each side as shown in FIGURE 16.  
NOTE: Lubricate the GUIDE RODS (13) with a light oil or lubricant that is available at most hardware stores.  
1/2  
1/2  
1/2  
1/2  
1/2  
1/2  
0
1
3
4
5
2
6
16  
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FIGURE 17  
STEP 17:  
MAKE SURE ALL CONNECTIONS ARE TIGHT!  
Thank you for purchasing the Life Fitness 8105 SMITH PRESS. If unsure of proper use of equipment, call  
your local Life Fitness distributor or call the Life Fitness customer service department at (800) 328-9714.  
17  
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