InFocus MaxFlight MT3000(B) - Manual (Page 49)

xiii. Using an inclinometer, set it to 4 ½ degrees and place on top of
machined surface of gear box. Adjust gear box to center the bubble
and tighten the right mount bolts.
xiv. Position and level center drive shaft to the gear box and left input
shaft of the action jack.
xv. Install the left coupling over the key, drive shaft end and input shaft
of left action jack input. Tighten set screws. Return to loctite after
everything is functioning correctly.
xvi. Position, level and align right drive shaft star coupling to nylatron
sleeve and left output shaft on gear box. Allow 1/8 inch free play
beteen the two star couplings. Tighten all set screws.
xvii. Tighten left gear box mount screws now.
d. Lift Motor and main Drive Shaft Installation. See DET-043C,048
i. Fabricate and friction fit key tock to fit the each ( LOVEJOY) hub
half key way.
ii. Place the keys into the keyway of output shaft of motor and 7/8 inch
input end of main drive shaft. Position keys to match the ends of the
shafts.
iii. Position one retaining ring and coupling seal over the motor shaft.
iv. Heat motor half of coupling to 350 degrees on bearing heater.
WARNING Use gloves to protect hands from severe burns when
handling hot metal couplings. The following step must be performed
quickly and accurately or the coupling will not be able to be moved once
cooled.
v. After couplings are heated using gloves, immediately position over
key and motor shaft match ends of the shaft to face of coupling.
vi. Repeat steps four and five for the main drive shaft end.
vii. Pre-lube the Sleeve and couplings with bearing grease.
viii. Slightly lube seal flanges.
ix. Place sleeve over motor coupling, insert the seal far enough to allow
the retaining ring groove be visible.
x. Install the retaining ring in a spiral manner.
xi. Repeat steps 7-10 for main drive shaft side.
xii. Position motor to rear of right A frame.
xiii. Locate 3/8 inch bolts (2) flat and lock washers, nuts.
xiv. Feed bolt through bottom two extreme mount holes on motor frame,
place three flat washers over each bolt to act as spacers.
xv. Lift motor and position bolts through A frame mount holes, place
tapered washer over bolt, lock washer and nut, finger tighten only.
Release the lift brake, knob at rear CW till it locks.
xvi. Remove the coupling sleeve grease fitting bolt. (Center of Sleeve)
xvii. Insert a ¼ inch allen wrench till it bottoms out.
xviii. Position lift encoder over drive shaft with locking collar facing gear
box.
xix. Position main drive shaft near and in line with input shaft of gear
box, align keyways and key, slide the solid coupling onto the main
drive shaft till it bottoms on shaft. Tighten set screws.