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FIG. 21

Locate the 

Adjustable Pulley Bracket (#26) 

and

thread a Hex Nut 1/2-13 (#88) and a Flat Washer SAE 1/2 
(#89) onto it. Use the illustration above for further clarification 
of this bolt and nut assembly. Next, insert the 

Adjustable

Pulley Bracket (#26)

into the 

Guide Rod Retainer (#54)

and

secure it using one Nylon Insert Jam Lock Nut 1/2 -13 (#88) 
and one Flat Washer SAE 1/2 (#89).

Note

: Loosely secure the 

nut to allow adjustment for cable tension later in the assembly 
process.

FIG. 22

Insert the 

Lat Bar Holder (#22)

into the tube-end of 

the

Top Pulley Assembly (#5)

, as shown above. Secure this 

assembly using one Hex Head Cap Screw 3/8 -16 X 2 1/2 
(#78), two Flat Washers SAE 3/8 (#90) and one Nylon Insert 
Jam Lock Nut 3/8-16 (#86).

FIG. 23

Now position the 

Press Arm (#1)

to the 

Top Pulley 

Assembly (#5)

, as shown above. Next, press the 

Pivot Axle 1 

X 11 3/4 (#19) 

through the holes in the 

Press Arm (#1) 

using

a rubber mallet hammer until it is flush with both sides. 

Note

: It

is recommened that the Pivot Axle 1 X 11 3/4 (#19) be
greased prior to this assembly.

FIG. 24

At the top of each end of the

Press Arm (#1)

is a

set screw  fixture. Secure the 

Press Arm (#1) 

using two Set 

Screws 3/8-16 X 1/2 (#61). Use the Hex Key 3/16 (#50) tool for 
securing the Set Screws 3/8-16 X 1/2 (#61). Next, insert two 
Plastic Insert Caps 1 X 2 (#67) into the tube-ends of the 

Press

Arm (#1)

.

MSL-IV Muscle IV Home Gym

7

Summary of Contents for MSL-IV

Page 1: ...A m e r i c a s P r e m i u m E x e r c i s e E q u i p m e n t A S S E M B L Y I N S T R U C T I O N M A N U A L MSL IV Muscle IV Home Gym L 8 0 W 4 0 H 7 0 Revision Date 9 98 ...

Page 2: ...5 Inspect machine for any sign of parts or hardware becoming loose 6 Keep hands and limbs clear from weight stack and all other moving parts Maintenance Information 1 Lubrication of all moving parts is essential to the longevity and optimal performance of your Muscle IV Home Gym Initial lubrication of some parts of your gym have been done at the factory but the weight stack guide rods must be lubr...

Page 3: ...tube end of the Low Row Foot Support 37 FIG 3 Install the Low Row Swivel Pulley Bracket 25 nto the receptacle on the Low Row Foot Support 37 and secure it using one Nylon Insert Jam Lock Nut 1 2 13 88 and one Flat Washer SAE 1 2 89 Note It is recommended that the axle on the Low Row Swivel Pulley Bracket 25 be lubricated with grease prior to this assembly FIG 4 Attach the Low Row Foot Support 37 t...

Page 4: ...e assembly at this time FIG 7 Attach the Leg Extension Seat Frame 38 to the Base Frame 2 Secure the Leg Extension Seat Frame 38 to the Base Frame 2 using one Hex Head Cap Screw 3 8 16 X 4 1 2 93 two Flat Washers SAE 3 8 90 and one Nylon Insert Jam Lock Nut 3 8 16 86 Next secure the Leg Extension Seat Frame 38 to the Front Upright 3 using one Hex Head Cap Screw 3 8 16 X 2 3 4 77 two Flat Washers SA...

Page 5: ...w 3 8 16 X 3 94 two Flat Washers SAE 3 8 90 and one Nylon Insert Jam Lock Nut 3 8 16 86 through the lower hole of the Pec Dec Housing 18 Finally install the Rubber Stopper 62 and two Plastic Insert Caps 2 Sq 64 as shown above FIG 11 Attach the Pec Dec Arm 7 to the Pec Dec Arm Cam Support 13 and secure it using one Hex Head Cap Screw 1 2 13 X 3 98 two Flat Washers SAE 1 2 89 and one Nylon Insert Ja...

Page 6: ... 8 16 X 1 81 and two Fender Washers 3 8 1 1 2 106 FIG 15 Insert the two Pec Dec Swivel Pulley Brackets 25 into the receptacles on the Top Pulley Assembly 5 and secure using four Flat Washers SAE 1 2 89 and two Nylon Insert Lock Nuts 1 2 13 88 Do not over tighten these nuts as the Pec Dec Swivel Pulley Brackets 25 must move freely during use of the machine Note It is recommended that the Pec Dec Sw...

Page 7: ... 20 in numerical order beginning with the number 200 at the bottom 190 next and so on FIG 19 Now slide the Top Plate Selector Bar 58 over the Guide Rods 20 allowing it to come to rest on the completed weight stack FIG 20 Maneuver each of the Guide Rods 20 into the holes on the bottom side of the Guide Rod Retainer 54 Next mount the Guide Rod Retainer 54 along with the two captive Guide Rods 20 to ...

Page 8: ...ure this assembly using one Hex Head Cap Screw 3 8 16 X 2 1 2 78 two Flat Washers SAE 3 8 90 and one Nylon Insert Jam Lock Nut 3 8 16 86 FIG 23 Now position the Press Arm 1 to the Top Pulley Assembly 5 as shown above Next press the Pivot Axle 1 X 11 3 4 19 through the holes in the Press Arm 1 using a rubber mallet hammer until it is flush with both sides Note It is recommened that the Pivot Axle 1...

Page 9: ...sing one Hex Head Cap Screw 3 8 16 X 2 3 4 77 two Flat Washers SAE 3 8 90 and one Nylon Insert Jam Lock Nut 3 8 16 86 Refer to Fig Con page 18 for further clarification of this assembly FIG 27 Locate the Range Of Motion Tube 47 and one Shoulder Bolt 3 8 X 3 8 95 Insert the Range Of Motion Tube 47 into the Range Of Motion Device 48 as shown above Secure this assembly using the Hex Key 3 16 50 FIG 2...

Page 10: ... SAE 1 2 89 and one Nylon Insert Jam Lock Nut 1 2 13 88 Note Be sure not to over tighten this hardware assembly as the Leg Extension Arm 42 should be allowed to swivel freely Also it is recommended that the Leg Extension Arm 42 be greased at the pivot point prior to assembly FIG 31 Insert the Foot Roll Tube 1 X 16 100 through the Foot Roll Bracket 46 Then slide a Foam Foot Roll 7 X 4 X 1 32 onto e...

Page 11: ...crew 1 4 20 X 1 4 105 Use the supplied Hex Key 1 8 69 tool for securing this Set Screw 114 FIG 35 Mount the Back Pad Adj Bracket 10 to the Bench Press Back Pad 44 and secure using two Hex Head Cap Screws 3 8 16 X 1 81 two Bumper Washers 3 8 108 and two Bumper Caps Black 91 Refer to the Exploded View on page 19 for further clarification of this assembly FIG 36 Secure the Back Pad Bracket 10 to the ...

Page 12: ...7 and two Flat Washers SAE 3 8 90 FIG 39 Attach the Pec Dec Back Pad 43 to the Rear Upright 4 and secure it using two Hex Head Cap Screws 3 8 16 X 2 3 4 77 and two Flat Washers SAE 3 8 90 FIG 40 Route the Lat Cable 14 through the Top Pulley Assembly 5 Then insert one Nylon Pulley 4 1 2 Rd 35 and secure it using one Hex Head Screw 3 8 16 X 2 1 2 78 two Flat Washers SAE 3 8 90 and one Nylon Insert J...

Page 13: ...routing FIG 43 Next attach a Nylon Pulley 4 1 2 Rd 35 to the pulley bracket on the Front Upright 3 and secure it using one Hex Head Cap Screw 3 8 16 X 1 3 4 79 two Flat Washers SAE 3 8 90 one Nylon Insert Jam Lock Nut 3 8 16 86 and one Cable Retainer Bracket 111 Next route the Lat Cable 14 under then over the Nylon Pulley 4 1 2 Rd 35 as shown above Refer to Fig 1 on page 17 and Fig B on page 18 fo...

Page 14: ...stration of this cable routing Next route the Lat Cable 14 through the Double Pulley Plates 1 8 X 2 X 9 21 as shown above Note The four holes on the Double Pulley Plates 1 8 X 2 X 9 21 are used to adjust the cable tension once the cable routing has been completed FIG 47 Insert a Nylon Pulley 4 1 2 Rd 35 into the Adjustable Pulley Bracket 26 and secure it using one Hex Head Cap Screw 3 8 16 X 1 3 4...

Page 15: ...detailed illustration of this cable routing FIG 51 Insert two Nylon Pulleys 4 1 2 Rd 35 into the Offset Pulley Bracket 23 and secure them using two Hex Head Cap Screws 3 8 16 X 1 3 4 79 four Flat Washers SAE 3 8 90 and two Nylon Insert Jam Lock Nuts 3 8 16 86 Next route the Pec Dec Cable 16 through this bracket as shown above Repeat the same procedure in Fig 49 and Fig 50 to complete the routing o...

Page 16: ...loose end of the Leg Extension Cable 15 up into the Double Pulley Plates 1 8 X 2 X 9 21 as shown above Refer to Fig I on page 17 for further detailed illustration of this cable routing FIG 55 Insert a Nylon Pulley 4 1 2 Rd 35 into the pulley bracket on the Base Frame 2 and secure it using one Hex Head Cap Screw 3 8 16 X 1 3 4 79 two Flat Washers SAE 3 8 90 and one Nylon Insert Jam Lock Nut 3 8 16 ...

Page 17: ... Bolt 3 8 X 3 4 80 one Nylon Ball 1 3 4 X 5 16 85 and one Nylon Insert Lock Nut 5 16 18 84 Refer to Fig D on page 18 for further detailed illustration of this assembly FIG 59 Insert the end of the Low Row Cable 17 into the Low Row Swivel Pulley Bracket 40 and secure it into place using one Nylon Pulley 4 1 2 Rd 35 Use the pulley mounting hardware described in Fig 55 on page 15 to fasten the pulley...

Page 18: ...6 Refer to Fig Gon page 18 for further detailed llustration of this assembly FIG 62 This completes the assembly of the MSL IV It is recommended that you check and secure all the hardware assemblies and inspect all cable routing for proper tension and assembly See Fig B Fig I Note Some Parts Not Shown or cut away for clarity See Figure A See Figure B See Figure D See Figure D See Figure E See Figur...

Page 19: ...Owners Manual Assembly Instructions Note Some Parts Have Been Cut Away For Clarity FIG B FIG A FIG C FIG D FIG E FIG H FIG G FIG F Leg Press Configuration MSL IV Muscle IV Home Gym 18 ...

Page 20: ...MSL IV Muscle IV Home Gym 19 ...

Page 21: ... 28 2 9 LOW ROW BAR 16 UP094 1 87 NYLON INSERT LOCK NUT 3 8 16 BNH0214 9 3 0 WEIGHT SELECTOR PIN BNH0064 1 88 NYLON INSERT JAM LOCK NUT 1 2 13 BNH0366 9 3 1 PLASTIC TUBE GUIDE 2 1 2 SQ BNH0060 2 89 FLAT WASHER SAE 1 2 BNH0238 7 3 2 FOAM FOOT ROLL 7 X 4 X 1 BNH0043 6 90 FLAT WASHER SAE 3 8 BNH0239 84 3 3 RUBBER BUMPER 3 8 X 1 1 2 BNH0514 1 91 BUMPER CAP BLACK BNH0412 2 3 4 BLACK CASTER 2 X 1 BNH063...

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Page 23: ...________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ ________________...

Page 24: ...DO NOT DISCARD THIS MANUAL 1325 E Franklin Ave Pomona CA 91766 Ph 909 629 1600 Fax 909 629 4967 E mail taskind aol com Net www tuffstuff net ...

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