Weider 831.159831 user manual Before YOU Begin, Using the Power Stack weight system, Decal

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BEFORE YOU BEGIN

Thank you for selecting the innovative and versatile			have additional questions, please call our toll-free
WEIDER	® PRO POWER STACK weight system. The		HELPLINE at	1-800-736-6879 , Monday through
POWER STACK offers a unique selection of weight			Saturday, 7 a.m. until 7 p.m. Central Time (excluding
stations designed to develop every major muscle			holidays). To help us assist you, please note the prod-
group of the body. Whether your goal is to tone your			uct model number and serial number before calling.
body, build dramatic muscle size and strength, or			The model number is 831.159831. The serial number
improve your cardiovascular system, the POWER			can be found on a decal attached to the weight system
STACK will help you to achieve the results you want.			(see the front cover of this manual).
For your benefit, read this manual carefully before			Please use the drawing below to familiarize your-
using the POWER STACK weight system.		If you	self with the major parts and how they fit together.

	ASSEMBLED
	DIMENSIONS:
	Height:	77 in.
	Width:	80 in.
	Depth:	55 in.
Butterfly Arm
Ab Pulley
Station		High Pulley
		High Pulley
		Station
Backrest		Lat Bar
		Lat Bar
Curl Pad	Warning
Curl Pad	Decal
	Decal
Seat
Weight Stack		Backrest
Weight Stack
Leg Lever
		Press Arm
		Seat
Low Pulley
Station
Foot Plate
	Leg Press Lever
Leg Press
	4

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Contents Model No Serial No Serial Number DecalSEARS, Roebuck and CO Hoffman ESTATES, IL Patent PendingTable of Contents Important Precautions Before YOU Begin Using the Power Stack weight systemDecal Assembly Cable AssemblyArm Assembly To open the parts bag for that stageLocate and open the parts bag labeled Frame AssemblyTape over the head of each Bolt 109 Onto the Bolts. Do not tighten the Nylon Locknuts yet100 Do not Tighten the Nylon Locknuts yet YetLocknuts 86. Do not tighten the Nylon Locknuts yet On bottom Press a 2 Square Inner Cap 67 into the Press Top FrameInto On the Short Weight Tube On the bottomMust be behind the Center Top Frame, as shown in step Locknuts 90. Do not tighten the Nylon Locknuts yetNylon Locknuts yet Nylon JamnutsAssembly Pages 30 Identify the Butterfly Cable Pulley BAG 2. Remove one V-PulleyBag for identification of the Pro Pulleys Bracket onLabeled Pulley BAG Bracket On the back of the Butterfly UprightEd as shown Identify the Rear CableIdentify the Ab Cable 74. It is approximately Pulley and the pin on the Upright103 Large tabsGroove of the Pulley Remove the 3 1/2 Pulleys 35 from the otherMake sure Direction shown Be removed in stepPulley Is attached as shownHold the Cable in the groove of the Pulley Identify the Low Cable 71. It is approximatelyCable in the groove of the Pulley Cable Trap 38 to the 3/8 x 4 3/4 Bolt With the 3/8 Nylon JamnutIdentify the Press Cable 72. It is approximately Pulley and the pin on the Press Top FrameWrap the Press Cable 72 around a V-Pulley To hold the Cable in the groove of the PulleyWrap the Press Cable 72 around a 3 1/2 Pulley Pulley onto the 3/8 x 4 3/4 Bolt Route the Press Cable 72 through the Press102 3835 With a 3/8 Nylon Jamnut 92. Make sure Seat Assembly Locate and open the parts bag labeled SeatADJUSTMENTS, beginning on the following Adjustment Pin 40. Note The lip onLeg Press Plate 16 must be on the upper edge Adjustments Attaching the Accessories to a Pulley StationAdjusting the LEG Press Plate Attaching the Curl PADTo change the setting of a weight stack, insert a Changing the Weight SettingWeight stack. Turn the bent end down Weight Resistance Chart High Press LEGLEG LOW Pulley ARM Press Lbs Left TopTroubleshooting and Maintenance Tightening the CablesHole with the Bolt, Washer, and Nylon Locknut 104 Cable ID Chart Cable Diagrams70, 95 1/8 71, 142 1/8 74, 226 1/2 72, 387 5/8 Low Cable Rear Cable Ab Cable Butterfly Cable SEARS, Roebuck and CO., Hoffman ESTATES, IL Full 90 DAY WarrantySEARS, Roebuck and CO., Dept WA, Hoffman ESTATES, IL This Part Identification CHART-Model No R0502APage Round Inner Cap Save this Part LIST/EXPLODED Drawing for Future Reference Qty Description Key No. Qty Exploded DRAWING-Model No