Impex MD-844 - Manual (Page 7)

ASSEMBLY INSTRUCTION
Tools Required For Assembling the Machine: Two Adjustable Wrenches and Allen
Wrenches. NOTE: It is strongly recommended for two or more people to assemble this
machine to avoid possible injury.
STEP 1 (See Diagram 1)
A.) Attach one Rear Base Frame (#3) to the Base Frame (#2). Attach an Upright Beam (#1)
onto the Base Frame and Rear Base Frame. Secure them together with two M10 x 3 ½”
Carriage Bolts (#43), one 5 ½” x 2” Bracket (#14), two Ø ¾” Washer (#53), and two M10
Aircraft Nuts (#57) from bottom. Secure with two M10 x 2 ¾” Carriage Bolts (#44), two
Ø ¾” Washer (#53), and two M10 Aircraft Nuts (#57) from side.
Do not tighten the
Nuts and Bolts yet. Repeat the same procedure to install the other side.
B.) Securely tighten all Nuts and Bolts.
C.) Insert the Left & Right Crutch (#4 & #5) into the two Upright Beams. Thread two M18
Lock Knobs (#26) through the selected holes on the Crutches to obtain desired height.
D.) Insert the Right Safety Lock Pin (#17) through the hole on Left Crutch. Secure it with
one M6 x ½” Philips Screw (#51), one Ø ½” Washer (#55), and one Spring (#59).
Repeat same procedure to install the Right Safety Lock Pin (#18).
E.) Place the Backrest Adjustment Bar (#7) onto selected slot on the Upright Beams to
obtain the desired Backrest incline.
6