STEP 4 (See Diagram 4)
A.) Attach the hole-side of the Seat Bracket (#11) to the pivot on the Main Seat Support (#4).
Push two
∅
5/8” Bushings (#43) into the holes on the Pivot.
B.) Attach the Backrest Supports (#13) to the Pivot. Secure it with one M10 x 7 ¼” Hex Bolt
(#50), two
∅
¾” Washers (#48), and one M10 Aircraft Nut (#49). Do not tighten the Nut and
Bolt yet. Place the Backrest Incline Support (#14) in between the two Backrest Supports.
Securely tighten the Bolt (#50) and Nut (#49).
C.) Place the Backrest Board (#24) onto the Backrest Supports. Secure it with four M6 x 1 3/8”
Hex Bolts (#58) and
∅
½” Washers (#59).
D.) Place the Seat Pad (#23) onto the Seat Bracket. Secure the two back holes on the Seat with
two M6 x 5/8” Allen Bolts (#61) and
∅
½” Washers (#59). Secure the two front holes on the
Seat with a Seat Incline Adjustment (#12), two M6 x 5/8” Allen Bolts (#61) and two
∅
½”
Washers (#59). Insert a 4” L-shaped Pin (#42) into the selected hole on the Seat Incline
Adjustment to hold the desired seat incline.
E.) When using the Uprights to do squat exercise, lift the Backrest Board to vertical position and
secure it with a 4” L-shaped Pin (#42). NOTE: The vertical support is not designed to sustain
any weight. The only purpose is to get the Backrest Board out the user’s way when doing
squat.
DIAGRAM 4
7
Summary of Contents for POWERHOUSE PHC 764
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