Meade LXD55 User Manual download pdf

There has been much discussion regarding loose gears, setscrews, rubber-banding and inconsistencies in the

tracking and go-to capabilities of some LXD55 / 75 mounts.

This modification kit will provide the parts needed to replace the final section of the gear train - the motor and worm

gear with precision toothed pulleys and Kevlar timing belts to eliminate any gear slop in the final drive stage and

greatly reduce the “rubber-banding” effect. Since it requires some dissassemblu of the motor units, It also includes

photos and instructions for cleaning and re-lubing of the Motor Gear Boxes and adjustment of the worm.

In general, the mount just seems to behave and perform better with this modification. The end result is a completely

reversible modification that fits within the standard motor housings.

ALL MODIFICATIONS AND ENHANCEMENTS ARE DONE AT THE RISK OF THE OWNER.

WARPSDRIVE

MOUNTS & DRIVES TIPS & TRICKS SERIES FEBRUARY 2007

WARPSCORP

Pre-Setup Check Your Inventory...

Kit Contains:

o 2 - 30 Tooth Motor Shaft Pulleys

o 2 - 32 Tooth Worm Shaft Pulleys

o 2 - Long 4-40 Stainless Set Screws

o 6 - Medium 4-40 Stainless Set Screws

o 2 - Toothed Belts

o 8 - Stainless Steel Allen Motor Housing screws

o 4 - Button Head or Beveled Motor Case Screws

o 2 - Flat wooden popscicle stick

o 1 - Allen .050 wrench for set screws

o 1 - Allen 3/32 wrench for 8 stainless screws

o 1 - Allen 2mm wrench to fit button screws

o 2 - Popscicle Sticks

A publication from the Yahoo Group - WarpsCorp. Providing

solutions to problems, answers to questions and ideas to share

among the amateur Astro community. We welcome you at:

http://groups.yahoo.com/group/WarpsCorp/

WARPSCORP

Installation Instructions for Meade

LXD55 / 75 Belt Drive Conversion &

Motor Gear Box Tune-Up

Items are packaged as follows:

1 - Large plastic bag labeled WarpsDrive containing:

1 - Medium Bag Labeled MP containing:

2 - 30 Tooth Black Pulleys - Motor Shaft

1 - Kevlar Toothed Timing Belt

1 - Medium Bag Labeled WP containing:

2 - 32 Tooth Black Pulleys - Worm Shaft

1 - Kevlar Toothed Timing Belt

1 - Small bag labeled MP-1 containing:

4 - Short Stainless Steel Set Screw

1 - Allen wrench (.050) for all set screws

1 - Small bag labeled WP-1 containing:

2 - Short Stainless Steel Set Screw

2 - Long Stainless Steel Set Screw

1 - Small bag labeled MC or MC-A containing:

4 - Buttonhead Steel Screws (MC)

4 - Beveled Steel Screws (MC-A)

1 - Allen Wrench (2mm)

1 - Small bag labeled MH containing:

8 - Black Coated Stainless Steel Screws

1 - Allen wrench (3/32)

Tip: Use the above check

boxes to verify and

identify the individual

parts. Keep the parts in a

tray or on a cloth covered

surface so that the tiny set

screws can not roll off of

your work surface and out

of your work space

1 2 3 4 5 6 ... 13 14

Summary of Contents

Page 1 - WARPSDRIVE

There has been much discussion regarding loose gears, setscrews, rubber-banding and inconsistencies in thetracking and go-to capabilities of some LXD5

Page 2 - Adjusting The Worm:

You now have installed 2 black motor pulleys each with2 new short knurled cup point stainless steel setscrews installed and 2 black worm pulleys (pict

Page 3

11o Holding the motor housing inone hand against the mount,re-thread the large Allen boltyou previously loosened fromthe back of the mount to secureth

Page 4 - Progress Summary:

12could result in toomuch slack in the belt.At this point you canplace a shim or spacerbetween the motor andthe mount to adjust thespacing. I used a

Page 5 - Setup / Tool Check

Final AutoStar Adjustments:o Plug in the DEC motor AutoStar and power supply.o Turn on power and bypass all the alignment, dateand time functions to g

Page 6

seem to work, the color purity andsaturation of the Ink Republic inksresult in the best color - nonoticable difference from thestandard Epson cartridg

Page 7 - REMOVING THE GEARS

2Additional Items you will need:o 3/16” Allen wrench to loosen screw holding RAmotor assembly to mount.o 5/32” Allen wrench to loosen screw holding DE

Page 8

Encoder WheelExtremely FragileDissassembly Of The RA Motor Housing:This is the hardest part of the conversion, so once youget through this - you are h

Page 9 - REASSEMBLE THE MOTORS

4Replacing The Motor Block Screws:This next procedure will be repeated for both theDEC and RA motor assembly.o Looking at the motorblock without the g

Page 10 - Assemble The Pulleys:

Motor Gear Box Tune-Up:Setup / Tool Check...Tools You Will Need:o Assorted Allen Wrenches (see pictures)o Small Phillip’s Screwdrivero Wire Cutters /

Page 11 - Replace These Screws

6TThe plug with the red andblack wires are the wires goingto the motor and is removable.Note the orientation of the wiresand mark the pin for the redw

Page 12 - DEC Motor Re-Assembly:

REMOVING THE GEARS...Once the gears are exposed,grasp the larger "keyed" motorshaft and lift it out of the hous-ing. Be careful as there is

Page 13 - WarpsCorp Enhancements:

MAIN SHAFT REMOVED. THE OTHER TWO SHAFTS DO NOTCOME OUT - THE GEARS SLIP OVER THE SHAFTS.Remove the large blackgear from the upper shaft.LARGE GEAR F

Page 14 - BEEN FLAWLESS

CLEANING THE GEARS...I used a white (easy to see smallwashers that drop off of theshafts and gears while cleaning)cool whip container (cause I likecoo