ProForm 640 user manual Tighten the Nylon Locknuts used in steps 1, 2 and 4 now

2.Slide the Decline Carriage (11) onto the Bench Frame

(5). To do this, you will have to pull out on the Seat Adjustment Knob (47). If the Knob does not pull out, unscrew it until it is loose.

Make sure the Bench Frame (5) is oriented as shown. The end with no bracket is cut in an angle, and the pointed edge must be on the top side (see inset drawing).

3.Attach the Bench Frame (5) to the bracket (B) on the Front Leg (19) with two M10 x 63mm Bolts (43), four M10 Washers (6) and two M10 Nylon Locknuts (1).

Make sure you tighten the Nylon Locknuts so there is no play between the Bench Frame (5) and the Front Leg (19).

4.Attach the Bench Frame (5) to the Crossbar (20) with two M10 x 68mm Bolts (33) and two M10 Nylon Locknuts (1).

Tighten the Nylon Locknuts used in steps 1, 2 and 4 now.

5.Attach the Lock (55) to the Front Leg (19) with the M8 x 65mm Bolt (52), two M8 Washers (23) and an M8 Nylon Locknut (13).

Attach the Leg Lever Bumper (39) to the Front Leg (19) with the M4 x 19mm Tapping Screw (38).

2

47

5

11

Pointed

Edge on

Top Side

3
			43
		6
			5
			6
	19	B	1
4
			20
		33
5			33
		1
5
			19
		23
	13
			23
38			52
	39
		55

7